{"title":"PVC Orientado para Água e Adutora","description":"\u003cp\u003ePVC orientado para adutora e rede de água, PN 12,5 a 20, anel EPDM e faixas azuis. Rende mais no canteiro: barra leve, encaixe rápido e curva na própria vala, com menos conexões e menos ancoragem.\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDiâmetro\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDE\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePN 12,5\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePN 16\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePN 20\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN 100\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e118 mm\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-12-5-agua\"\u003eágua PN 12,5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-16-agua\"\u003eágua PN 16\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-20-agua\"\u003eágua PN 20\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN 150\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e170 mm\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-12-5-agua\"\u003eágua PN 12,5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-16-agua\"\u003eágua PN 16\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-20-agua\"\u003eágua PN 20\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN 200\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e222 mm\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-12-5-agua\"\u003eágua PN 12,5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-16-agua\"\u003eágua PN 16\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-20-agua\"\u003eágua PN 20\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN 250\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e274 mm\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-12-5-agua\"\u003eágua PN 12,5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-16-agua\"\u003eágua PN 16\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-20-agua\"\u003eágua PN 20\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN 300\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e326 mm\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-12-5-agua\"\u003eágua PN 12,5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-16-agua\"\u003eágua PN 16\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-20-agua\"\u003eágua PN 20\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN 350\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e378 mm\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-12-5-agua\"\u003eágua PN 12,5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-16-agua\"\u003eágua PN 16\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-20-agua\"\u003eágua PN 20\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN 400\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e429 mm\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-12-5-agua\"\u003eágua PN 12,5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-16-agua\"\u003eágua PN 16\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-20-agua\"\u003eágua PN 20\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN 500\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e532 mm\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-500-pn-12-5-agua\"\u003eágua PN 12,5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-500-pn-16-agua\"\u003eágua PN 16\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003enão fabricado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN 600\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e635 mm\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-600-pn-12-5-agua\"\u003eágua PN 12,5\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-600-pn-16-agua\"\u003eágua PN 16\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003enão fabricado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e","products":[{"product_id":"tubo-pvc-orientado-dn-100-pn-12-5-agua","title":"Tubo PVC Orientado DEFOFO DN 100 PN 12,5 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 100, classe PN 12,5, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e118 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e912 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 12,5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e118 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e112,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e115 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40,7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,65 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 100\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e912 barras, 5.472 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e300 metros (50 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e23,6 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 12,5 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,5 bar (1,25 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,25 bar (1,125 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10 bar (1,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,75 bar (0,875 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,5 bar (0,75 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 112,2 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e21\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e36\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e53\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16,77\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e19,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e71\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e28,26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e24,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e89\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e42,42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e29,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e107\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e59,18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 100 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 912 barras de DN 100, o equivalente a 5.472 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 100 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 50 barras por dia, cerca de 300 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 23,6 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 100?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 20 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-12-5-esgoto-recalque\"\u003eversão DN 100 PN 12,5 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-12-5-agua\"\u003ePVC orientado DN 150 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-16-agua\"\u003emesmo DN 100 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-20-agua\"\u003emesmo DN 100 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104095207589,"sku":"HB-PVCO-AG-100-125","price":388.29,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal.jpg?v=1793867786"},{"product_id":"tubo-pvc-orientado-dn-250-pn-12-5-agua","title":"Tubo PVC Orientado DEFOFO DN 250 PN 12,5 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 250, classe PN 12,5, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e274 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e246 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e160 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 12,5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e274 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6,7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e260,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e163 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40,9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,40 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,15 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,40 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 250\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e160 barras, 960 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e50 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e246 metros (41 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e54,8 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 12,5 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,5 bar (1,25 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,25 bar (1,125 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10 bar (1,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,75 bar (0,875 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,5 bar (0,75 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 260,6 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e32,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e115\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e53,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e192\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,93\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e80,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e288\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6,13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e106,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e384\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,37\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e133,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e480\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e15,60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e160,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e576\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e21,81\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 250 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 160 barras de DN 250, o equivalente a 960 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 250 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 41 barras por dia, cerca de 246 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 54,8 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 250?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 50 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-12-5-esgoto-recalque\"\u003eversão DN 250 PN 12,5 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-12-5-agua\"\u003ePVC orientado DN 200 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-12-5-agua\"\u003ePVC orientado DN 300 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-16-agua\"\u003emesmo DN 250 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-20-agua\"\u003emesmo DN 250 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104095240357,"sku":"HB-PVCO-AG-250-125","price":1999.15,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_94e3e5a2-f685-4bb0-9d16-62b47bce837e.jpg?v=1793867786"},{"product_id":"tubo-pvc-orientado-dn-150-pn-12-5-agua","title":"Tubo PVC Orientado DEFOFO DN 150 PN 12,5 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 150, classe PN 12,5, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e170 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e282 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e448 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 12,5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e170 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e161,8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e134 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e41,5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,65 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 150\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e448 barras, 2.688 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e30 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e282 metros (47 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e34 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 12,5 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,5 bar (1,25 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,25 bar (1,125 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10 bar (1,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,75 bar (0,875 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,5 bar (0,75 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 161,8 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e44\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e74\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e30,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e111\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,81\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e41,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e148\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18,25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e51,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e185\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e27,43\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e61,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e222\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e38,31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 150 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 448 barras de DN 150, o equivalente a 2.688 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 150 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 47 barras por dia, cerca de 282 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 34 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 150?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 30 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-12-5-esgoto-recalque\"\u003eversão DN 150 PN 12,5 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-12-5-agua\"\u003ePVC orientado DN 100 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-12-5-agua\"\u003ePVC orientado DN 200 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-16-agua\"\u003emesmo DN 150 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-20-agua\"\u003emesmo DN 150 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104095174821,"sku":"HB-PVCO-AG-150-125","price":790.69,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_da0c7e26-b144-449b-a8aa-ca65621324dd.jpg?v=1793867787"},{"product_id":"tubo-pvc-orientado-dn-200-pn-12-5-agua","title":"Tubo PVC Orientado DEFOFO DN 200 PN 12,5 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 200, classe PN 12,5, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e222 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e264 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e240 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 12,5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e222 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e211,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e41,1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,35 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,35 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 200\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e240 barras, 1.440 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e264 metros (44 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e44,4 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 12,5 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,5 bar (1,25 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,25 bar (1,125 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10 bar (1,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,75 bar (0,875 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,5 bar (0,75 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 211,2 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e21,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e76\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e35,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e126\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,77\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e52,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e189\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,87\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e70,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e252\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e13,30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e87,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e315\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20,00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e105,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e378\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e27,95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 200 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 240 barras de DN 200, o equivalente a 1.440 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 200 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 44 barras por dia, cerca de 264 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 44,4 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 200?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 40 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-12-5-esgoto-recalque\"\u003eversão DN 200 PN 12,5 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-12-5-agua\"\u003ePVC orientado DN 150 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-12-5-agua\"\u003ePVC orientado DN 250 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-16-agua\"\u003emesmo DN 200 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-20-agua\"\u003emesmo DN 200 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104095273125,"sku":"HB-PVCO-AG-200-125","price":1307.14,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_41bb7b4c-8825-4f2d-95a8-4c31264ddd87.jpg?v=1793867786"},{"product_id":"tubo-pvc-orientado-dn-350-pn-12-5-agua","title":"Tubo PVC Orientado DEFOFO DN 350 PN 12,5 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 350, classe PN 12,5, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e378 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e210 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e72 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala com cintas de nylon\u003c\/strong\u003e em dois pontos e equipamento leve, sem corrente nem cabo de aço.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 12,5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e378 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e359,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e208 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e41,1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,10 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida com cintas de nylon em dois pontos e equipamento mecânico.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 350\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e72 barras, 432 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e65 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e210 metros (35 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003enão recomendada neste diâmetro: use deflexão na junta, com verificação do projetista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 12,5 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,5 bar (1,25 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,25 bar (1,125 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10 bar (1,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,75 bar (0,875 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,5 bar (0,75 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 359,6 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e60,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e219\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e101,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e366\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e152,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e548\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e203,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e731\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,09\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e253,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e914\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e304,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.097\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,94\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 350 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 72 barras de DN 350, o equivalente a 432 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 350 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 35 barras por dia, cerca de 210 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eNeste diâmetro, o caminho é a deflexão nas juntas: de 1° a 2° por junta, ou 0,10 a 0,21 m de desvio por barra de 6 m. Peso e rigidez não favorecem curvar o corpo do tubo, e o traçado deve ser conferido pelo projetista.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 350?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 65 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-12-5-esgoto-recalque\"\u003eversão DN 350 PN 12,5 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-12-5-agua\"\u003ePVC orientado DN 300 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-12-5-agua\"\u003ePVC orientado DN 400 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-16-agua\"\u003emesmo DN 350 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-20-agua\"\u003emesmo DN 350 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104097239205,"sku":"HB-PVCO-AG-350-125","price":3957.54,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_a677050f-e549-468a-be73-c33e0db53a89.jpg?v=1793867791"},{"product_id":"tubo-pvc-orientado-dn-300-pn-12-5-agua","title":"Tubo PVC Orientado DEFOFO DN 300 PN 12,5 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 300, classe PN 12,5, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e326 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e228 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e112 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 12,5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e326 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e310 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e187 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40,8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,10 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 300\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e112 barras, 672 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e60 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e228 metros (38 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e65,2 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 12,5 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,5 bar (1,25 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,25 bar (1,125 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10 bar (1,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,75 bar (0,875 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,5 bar (0,75 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 310 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e45,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e163\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e75,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e272\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e113,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e408\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e151,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e543\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e188,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e679\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e226,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e815\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e17,78\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 300 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 112 barras de DN 300, o equivalente a 672 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 300 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 38 barras por dia, cerca de 228 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 65,2 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 300?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 60 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-12-5-esgoto-recalque\"\u003eversão DN 300 PN 12,5 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-12-5-agua\"\u003ePVC orientado DN 250 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-12-5-agua\"\u003ePVC orientado DN 350 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-16-agua\"\u003emesmo DN 300 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-20-agua\"\u003emesmo DN 300 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104097173669,"sku":"HB-PVCO-AG-300-125","price":2819.32,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_2654c9e0-769c-4128-84f6-1f8f49fcd371.jpg?v=1793867791"},{"product_id":"tubo-pvc-orientado-dn-400-pn-12-5-agua","title":"Tubo PVC Orientado DEFOFO DN 400 PN 12,5 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 400, classe PN 12,5, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e429 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e192 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala com cintas de nylon\u003c\/strong\u003e em dois pontos e equipamento leve, sem corrente nem cabo de aço.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 12,5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e429 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e408 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e228 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40,9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,10 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,60 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,60 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida com cintas de nylon em dois pontos e equipamento mecânico.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 400\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e60 barras, 360 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e70 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e192 metros (32 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003enão recomendada neste diâmetro: use deflexão na junta, com verificação do projetista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 12,5 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,5 bar (1,25 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,25 bar (1,125 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10 bar (1,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,75 bar (0,875 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,5 bar (0,75 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 408 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e78,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e282\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e130,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e471\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e196,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e706\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e261,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e941\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6,11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e326,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.177\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e392,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.412\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,88\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 400 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 60 barras de DN 400, o equivalente a 360 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 400 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 32 barras por dia, cerca de 192 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eNeste diâmetro, o caminho é a deflexão nas juntas: de 1° a 2° por junta, ou 0,10 a 0,21 m de desvio por barra de 6 m. Peso e rigidez não favorecem curvar o corpo do tubo, e o traçado deve ser conferido pelo projetista.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 400?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 70 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-12-5-esgoto-recalque\"\u003eversão DN 400 PN 12,5 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-12-5-agua\"\u003ePVC orientado DN 350 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-500-pn-12-5-agua\"\u003ePVC orientado DN 500 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-16-agua\"\u003emesmo DN 400 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-20-agua\"\u003emesmo DN 400 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104097271973,"sku":"HB-PVCO-AG-400-125","price":4869.72,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_0d889ffc-db4d-4317-8315-a50acd81f56d.jpg?v=1793867791"},{"product_id":"tubo-pvc-orientado-dn-600-pn-12-5-agua","title":"Tubo PVC Orientado DEFOFO DN 600 PN 12,5 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 600, classe PN 12,5, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e635 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e120 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala com cintas de nylon\u003c\/strong\u003e em dois pontos e equipamento leve, sem corrente nem cabo de aço.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 12,5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e635 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e15,5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e604 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e261 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e15,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,15 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,25 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,35 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,85 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,65 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,85 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida com cintas de nylon em dois pontos e equipamento mecânico.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 600\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e24 barras, 144 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e95 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e120 metros (20 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003enão recomendada neste diâmetro: use deflexão na junta, com verificação do projetista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 12,5 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,5 bar (1,25 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,25 bar (1,125 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10 bar (1,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,75 bar (0,875 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,5 bar (0,75 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 604 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e171,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e619\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,43\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e286,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.031\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e429,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.547\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e573,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2.063\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,86\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e716,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2.579\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,82\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e859,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3.094\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 600 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 24 barras de DN 600, o equivalente a 144 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 600 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 20 barras por dia, cerca de 120 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eNeste diâmetro, o caminho é a deflexão nas juntas: de 1° a 2° por junta, ou 0,10 a 0,21 m de desvio por barra de 6 m. Peso e rigidez não favorecem curvar o corpo do tubo, e o traçado deve ser conferido pelo projetista.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 600?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 95 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-600-pn-12-5-esgoto-recalque\"\u003eversão DN 600 PN 12,5 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-500-pn-12-5-agua\"\u003ePVC orientado DN 500 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-600-pn-16-agua\"\u003emesmo DN 600 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104341229733,"sku":"HB-PVCO-AG-600-125","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_f671cec1-a3cd-4887-85ae-8b6444f3fe43.jpg?v=1793868386"},{"product_id":"tubo-pvc-orientado-dn-500-pn-12-5-agua","title":"Tubo PVC Orientado DEFOFO DN 500 PN 12,5 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 500, classe PN 12,5, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e532 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e156 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala com cintas de nylon\u003c\/strong\u003e em dois pontos e equipamento leve, sem corrente nem cabo de aço.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 12,5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e532 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e13,0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e506 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e253 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40,9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,15 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,25 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,75 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,75 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida com cintas de nylon em dois pontos e equipamento mecânico.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 500\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40 barras, 240 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e80 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e156 metros (26 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003enão recomendada neste diâmetro: use deflexão na junta, com verificação do projetista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 12,5 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,5 bar (1,25 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,25 bar (1,125 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10 bar (1,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,75 bar (0,875 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,5 bar (0,75 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 506 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e120,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e434\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e201,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e724\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e301,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.086\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e402,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.448\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,74\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e502,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.810\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e603,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2.172\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 500 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 40 barras de DN 500, o equivalente a 240 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 500 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 26 barras por dia, cerca de 156 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eNeste diâmetro, o caminho é a deflexão nas juntas: de 1° a 2° por junta, ou 0,10 a 0,21 m de desvio por barra de 6 m. Peso e rigidez não favorecem curvar o corpo do tubo, e o traçado deve ser conferido pelo projetista.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 500?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 80 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-500-pn-12-5-esgoto-recalque\"\u003eversão DN 500 PN 12,5 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-12-5-agua\"\u003ePVC orientado DN 400 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-600-pn-12-5-agua\"\u003ePVC orientado DN 600 PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-500-pn-16-agua\"\u003emesmo DN 500 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104341262501,"sku":"HB-PVCO-AG-500-125","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_787a3a53-665d-4f19-a175-a688108d9244.jpg?v=1793868386"},{"product_id":"tubo-pvc-orientado-dn-150-pn-16-agua","title":"Tubo PVC Orientado DEFOFO DN 150 PN 16 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 150, classe PN 16, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e170 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e282 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e448 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e170 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e160,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e134 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e36,2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,65 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 150\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e448 barras, 2.688 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e30 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e282 metros (47 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e34 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 16 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,4 bar (1,44 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,8 bar (1,28 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,2 bar (1,12 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 bar (0,96 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 160,6 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e44\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,09\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e73\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e30,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e109\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,91\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e146\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18,42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e50,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e182\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e27,68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e60,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e219\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e38,64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 150 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 448 barras de DN 150, o equivalente a 2.688 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 150 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 47 barras por dia, cerca de 282 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 34 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 150?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 30 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-16-esgoto-recalque\"\u003eversão DN 150 PN 16 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-16-agua\"\u003ePVC orientado DN 100 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-16-agua\"\u003ePVC orientado DN 200 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-12-5-agua\"\u003emesmo DN 150 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-20-agua\"\u003emesmo DN 150 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104344309925,"sku":"HB-PVCO-AG-150-16","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_fecf8740-c9a3-4fc9-94ea-07fa24d030c3.jpg?v=1793868391"},{"product_id":"tubo-pvc-orientado-dn-100-pn-16-agua","title":"Tubo PVC Orientado DEFOFO DN 100 PN 16 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 100, classe PN 16, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e118 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e912 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e118 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e111,4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e115 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e35,8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,65 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 100\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e912 barras, 5.472 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e300 metros (50 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e23,6 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 16 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,4 bar (1,44 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,8 bar (1,28 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,2 bar (1,12 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 bar (0,96 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 111,4 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e21\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e35\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e53\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16,91\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e19,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e70\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e28,50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e24,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e88\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e42,78\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e29,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e105\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e59,68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 100 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 912 barras de DN 100, o equivalente a 5.472 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 100 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 50 barras por dia, cerca de 300 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 23,6 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 100?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 20 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-16-esgoto-recalque\"\u003eversão DN 100 PN 16 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-16-agua\"\u003ePVC orientado DN 150 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-12-5-agua\"\u003emesmo DN 100 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-20-agua\"\u003emesmo DN 100 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104344342693,"sku":"HB-PVCO-AG-100-16","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_13cfc093-bb91-4797-9cc8-cd3905b41261.jpg?v=1793868391"},{"product_id":"tubo-pvc-orientado-dn-200-pn-16-agua","title":"Tubo PVC Orientado DEFOFO DN 200 PN 16 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 200, classe PN 16, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e222 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e264 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e240 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e222 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e209,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e35,8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,35 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,35 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 200\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e240 barras, 1.440 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e264 metros (44 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e44,4 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 16 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,4 bar (1,44 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,8 bar (1,28 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,2 bar (1,12 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 bar (0,96 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 209,6 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e75\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e34,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e124\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e51,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e186\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,94\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e69,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e248\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e13,42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e86,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e311\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20,18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e103,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e373\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e28,20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 200 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 240 barras de DN 200, o equivalente a 1.440 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 200 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 44 barras por dia, cerca de 264 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 44,4 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 200?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 40 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-16-esgoto-recalque\"\u003eversão DN 200 PN 16 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-16-agua\"\u003ePVC orientado DN 150 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-16-agua\"\u003ePVC orientado DN 250 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-12-5-agua\"\u003emesmo DN 200 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-20-agua\"\u003emesmo DN 200 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104344506533,"sku":"HB-PVCO-AG-200-16","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_2752b206-dbab-425e-bbd2-776b3d95f50f.jpg?v=1793868391"},{"product_id":"tubo-pvc-orientado-dn-250-pn-16-agua","title":"Tubo PVC Orientado DEFOFO DN 250 PN 16 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 250, classe PN 16, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e274 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e246 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e160 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e274 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e258,8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e163 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e36,1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,40 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,15 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,40 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 250\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e160 barras, 960 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e50 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e246 metros (41 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e54,8 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 16 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,4 bar (1,44 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,8 bar (1,28 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,2 bar (1,12 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 bar (0,96 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 258,8 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e31,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e114\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e52,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e189\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,96\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e78,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e284\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6,18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e105,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e379\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e131,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e473\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e15,73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e157,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e568\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e21,99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 250 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 160 barras de DN 250, o equivalente a 960 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 250 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 41 barras por dia, cerca de 246 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 54,8 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 250?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 50 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-16-esgoto-recalque\"\u003eversão DN 250 PN 16 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-16-agua\"\u003ePVC orientado DN 200 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-16-agua\"\u003ePVC orientado DN 300 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-12-5-agua\"\u003emesmo DN 250 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-20-agua\"\u003emesmo DN 250 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104344539301,"sku":"HB-PVCO-AG-250-16","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_b8ac4e76-bcc9-41fe-bcee-2d76dcfd7cf9.jpg?v=1793868391"},{"product_id":"tubo-pvc-orientado-dn-300-pn-16-agua","title":"Tubo PVC Orientado DEFOFO DN 300 PN 16 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 300, classe PN 16, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e326 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e228 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e112 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e326 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e307,8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e187 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e35,8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,10 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 300\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e112 barras, 672 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e60 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e228 metros (38 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e65,2 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 16 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,4 bar (1,44 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,8 bar (1,28 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,2 bar (1,12 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 bar (0,96 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 307,8 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e44,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e161\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e74,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e268\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e111,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e402\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e148,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e536\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e186,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e670\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,82\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e223,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e804\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e17,93\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 300 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 112 barras de DN 300, o equivalente a 672 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 300 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 38 barras por dia, cerca de 228 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 65,2 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 300?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 60 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-16-esgoto-recalque\"\u003eversão DN 300 PN 16 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-16-agua\"\u003ePVC orientado DN 250 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-16-agua\"\u003ePVC orientado DN 350 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-12-5-agua\"\u003emesmo DN 300 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-20-agua\"\u003emesmo DN 300 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104347029669,"sku":"HB-PVCO-AG-300-16","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_f70cfca1-8054-4c48-869b-e2f7e354903e.jpg?v=1793868395"},{"product_id":"tubo-pvc-orientado-dn-350-pn-16-agua","title":"Tubo PVC Orientado DEFOFO DN 350 PN 16 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 350, classe PN 16, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e378 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e210 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e72 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala com cintas de nylon\u003c\/strong\u003e em dois pontos e equipamento leve, sem corrente nem cabo de aço.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e378 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e357 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e208 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,10 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida com cintas de nylon em dois pontos e equipamento mecânico.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 350\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e72 barras, 432 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e65 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e210 metros (35 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003enão recomendada neste diâmetro: use deflexão na junta, com verificação do projetista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 16 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,4 bar (1,44 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,8 bar (1,28 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,2 bar (1,12 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 bar (0,96 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 357 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e60,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e216\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e100,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e360\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e150,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e541\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e200,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e721\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e250,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e901\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,77\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e300,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.081\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e15,07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 350 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 72 barras de DN 350, o equivalente a 432 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 350 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 35 barras por dia, cerca de 210 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eNeste diâmetro, o caminho é a deflexão nas juntas: de 1° a 2° por junta, ou 0,10 a 0,21 m de desvio por barra de 6 m. Peso e rigidez não favorecem curvar o corpo do tubo, e o traçado deve ser conferido pelo projetista.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 350?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 65 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-16-esgoto-recalque\"\u003eversão DN 350 PN 16 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-16-agua\"\u003ePVC orientado DN 300 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-16-agua\"\u003ePVC orientado DN 400 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-12-5-agua\"\u003emesmo DN 350 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-20-agua\"\u003emesmo DN 350 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104347062437,"sku":"HB-PVCO-AG-350-16","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_6bac5be1-ce72-4042-b470-758e6578c15f.jpg?v=1793868395"},{"product_id":"tubo-pvc-orientado-dn-400-pn-16-agua","title":"Tubo PVC Orientado DEFOFO DN 400 PN 16 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 400, classe PN 16, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e429 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e192 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala com cintas de nylon\u003c\/strong\u003e em dois pontos e equipamento leve, sem corrente nem cabo de aço.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e429 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e405,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e228 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e36,1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,10 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,60 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,60 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida com cintas de nylon em dois pontos e equipamento mecânico.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 400\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e60 barras, 360 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e70 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e192 metros (32 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003enão recomendada neste diâmetro: use deflexão na junta, com verificação do projetista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 16 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,4 bar (1,44 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,8 bar (1,28 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,2 bar (1,12 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 bar (0,96 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 405,2 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e77,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e279\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,69\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e129,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e464\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e193,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e696\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e257,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e928\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6,16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e322,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.161\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e386,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.393\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 400 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 60 barras de DN 400, o equivalente a 360 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 400 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 32 barras por dia, cerca de 192 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eNeste diâmetro, o caminho é a deflexão nas juntas: de 1° a 2° por junta, ou 0,10 a 0,21 m de desvio por barra de 6 m. Peso e rigidez não favorecem curvar o corpo do tubo, e o traçado deve ser conferido pelo projetista.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 400?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 70 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-16-esgoto-recalque\"\u003eversão DN 400 PN 16 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-16-agua\"\u003ePVC orientado DN 350 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-500-pn-16-agua\"\u003ePVC orientado DN 500 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-12-5-agua\"\u003emesmo DN 400 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-20-agua\"\u003emesmo DN 400 na classe PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104347095205,"sku":"HB-PVCO-AG-400-16","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_97eba05b-d3d2-4df1-8584-33b8e81a1878.jpg?v=1793868396"},{"product_id":"tubo-pvc-orientado-dn-500-pn-16-agua","title":"Tubo PVC Orientado DEFOFO DN 500 PN 16 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 500, classe PN 16, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e532 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e156 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala com cintas de nylon\u003c\/strong\u003e em dois pontos e equipamento leve, sem corrente nem cabo de aço.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e532 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003evai na proposta técnica\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003evai na proposta técnica\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e253 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003evai na proposta técnica\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,15 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,25 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,75 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,75 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida com cintas de nylon em dois pontos e equipamento mecânico.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 500\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40 barras, 240 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e80 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e156 metros (26 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003enão recomendada neste diâmetro: use deflexão na junta, com verificação do projetista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 16 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,4 bar (1,44 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,8 bar (1,28 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,2 bar (1,12 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 bar (0,96 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga deste diâmetro e classe saem na proposta técnica.\u003c\/p\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 500 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 40 barras de DN 500, o equivalente a 240 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 500 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 26 barras por dia, cerca de 156 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eNeste diâmetro, o caminho é a deflexão nas juntas: de 1° a 2° por junta, ou 0,10 a 0,21 m de desvio por barra de 6 m. Peso e rigidez não favorecem curvar o corpo do tubo, e o traçado deve ser conferido pelo projetista.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 500?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 80 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-500-pn-16-esgoto-recalque\"\u003eversão DN 500 PN 16 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-16-agua\"\u003ePVC orientado DN 400 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-600-pn-16-agua\"\u003ePVC orientado DN 600 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-500-pn-12-5-agua\"\u003emesmo DN 500 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104347127973,"sku":"HB-PVCO-AG-500-16","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_c9cc237d-4eda-46fd-ae0d-14359247eebf.jpg?v=1793868396"},{"product_id":"tubo-pvc-orientado-dn-600-pn-16-agua","title":"Tubo PVC Orientado DEFOFO DN 600 PN 16 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 600, classe PN 16, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e635 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e120 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala com cintas de nylon\u003c\/strong\u003e em dois pontos e equipamento leve, sem corrente nem cabo de aço.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e635 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e17,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e599,8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e261 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e36,1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e15,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,15 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,25 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,35 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,85 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,65 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,85 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida com cintas de nylon em dois pontos e equipamento mecânico.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 600\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e24 barras, 144 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e95 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e120 metros (20 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003enão recomendada neste diâmetro: use deflexão na junta, com verificação do projetista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 16 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,4 bar (1,44 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12,8 bar (1,28 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,2 bar (1,12 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 bar (0,96 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 599,8 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e169,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e610\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,43\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e282,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.017\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,09\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e423,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.526\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,29\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e565,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2.034\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,89\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e706,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2.543\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,86\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e847,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3.052\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 600 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 24 barras de DN 600, o equivalente a 144 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 600 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 20 barras por dia, cerca de 120 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eNeste diâmetro, o caminho é a deflexão nas juntas: de 1° a 2° por junta, ou 0,10 a 0,21 m de desvio por barra de 6 m. Peso e rigidez não favorecem curvar o corpo do tubo, e o traçado deve ser conferido pelo projetista.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 600?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 95 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-600-pn-16-esgoto-recalque\"\u003eversão DN 600 PN 16 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-500-pn-16-agua\"\u003ePVC orientado DN 500 PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-600-pn-12-5-agua\"\u003emesmo DN 600 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104349323429,"sku":"HB-PVCO-AG-600-16","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_df585e90-3139-4043-adb9-5c5420ffab8f.jpg?v=1793868399"},{"product_id":"tubo-pvc-orientado-dn-100-pn-20-agua","title":"Tubo PVC Orientado DEFOFO DN 100 PN 20 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 100, classe PN 20, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e118 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e912 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e118 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e109,8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e115 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e28,8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,65 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 100\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e912 barras, 5.472 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e300 metros (50 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e23,6 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 20 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20 bar (2,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18 bar (1,80 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14 bar (1,40 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12 bar (1,20 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 109,8 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e34\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e51\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e17,21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e68\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e29,00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e23,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e85\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e43,53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e28,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e102\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e60,72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 100 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 912 barras de DN 100, o equivalente a 5.472 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 100 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 50 barras por dia, cerca de 300 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 23,6 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 100?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 20 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-20-esgoto-recalque\"\u003eversão DN 100 PN 20 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-20-agua\"\u003ePVC orientado DN 150 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-12-5-agua\"\u003emesmo DN 100 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-16-agua\"\u003emesmo DN 100 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104354828453,"sku":"HB-PVCO-AG-100-20","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_012783ef-5f81-41b2-a7fe-aab39c636011.jpg?v=1793868409"},{"product_id":"tubo-pvc-orientado-dn-150-pn-20-agua","title":"Tubo PVC Orientado DEFOFO DN 150 PN 20 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 150, classe PN 20, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e170 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e282 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e448 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e170 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e158,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e134 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e28,8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,65 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 150\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e448 barras, 2.688 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e30 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e282 metros (47 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e34 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 20 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20 bar (2,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18 bar (1,80 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14 bar (1,40 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12 bar (1,20 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 158,2 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e42\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e19,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e71\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e29,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e106\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e39,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e142\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18,75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e49,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e177\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e28,18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e59,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e212\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e39,34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 150 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 448 barras de DN 150, o equivalente a 2.688 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 150 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 47 barras por dia, cerca de 282 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 34 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 150?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 30 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-20-esgoto-recalque\"\u003eversão DN 150 PN 20 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-100-pn-20-agua\"\u003ePVC orientado DN 100 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-20-agua\"\u003ePVC orientado DN 200 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-12-5-agua\"\u003emesmo DN 150 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-16-agua\"\u003emesmo DN 150 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104354893989,"sku":"HB-PVCO-AG-150-20","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_fa041a1a-8c49-492d-b78e-4e9c0d7a029b.jpg?v=1793868410"},{"product_id":"tubo-pvc-orientado-dn-200-pn-20-agua","title":"Tubo PVC Orientado DEFOFO DN 200 PN 20 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 200, classe PN 20, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e222 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e264 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e240 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e222 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e206,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e145 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e28,8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,35 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,35 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 200\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e240 barras, 1.440 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e40 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e264 metros (44 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e44,4 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 20 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20 bar (2,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18 bar (1,80 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14 bar (1,40 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12 bar (1,20 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 206,6 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20,1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e72\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e33,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e121\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,87\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e50,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e181\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e67,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e241\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e13,65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e83,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e302\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20,53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e100,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e362\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e28,69\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 200 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 240 barras de DN 200, o equivalente a 1.440 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 200 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 44 barras por dia, cerca de 264 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 44,4 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 200?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 40 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-20-esgoto-recalque\"\u003eversão DN 200 PN 20 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-150-pn-20-agua\"\u003ePVC orientado DN 150 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-20-agua\"\u003ePVC orientado DN 250 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-12-5-agua\"\u003emesmo DN 200 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-16-agua\"\u003emesmo DN 200 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104355877029,"sku":"HB-PVCO-AG-200-20","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_9a4001c3-98a5-4511-9ee9-cea16fa8d9e6.jpg?v=1793868413"},{"product_id":"tubo-pvc-orientado-dn-300-pn-20-agua","title":"Tubo PVC Orientado DEFOFO DN 300 PN 20 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 300, classe PN 20, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e326 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e228 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e112 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e326 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e11,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e303,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e187 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e29,1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,10 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 300\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e112 barras, 672 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e60 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e228 metros (38 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e65,2 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 20 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20 bar (2,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18 bar (1,80 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14 bar (1,40 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12 bar (1,20 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 303,6 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e43,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e156\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,97\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e72,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e261\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e108,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e391\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e5,12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e144,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e521\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e181,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e652\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e13,03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e217,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e782\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18,22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 300 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 112 barras de DN 300, o equivalente a 672 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 300 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 38 barras por dia, cerca de 228 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 65,2 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 300?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 60 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-20-esgoto-recalque\"\u003eversão DN 300 PN 20 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-20-agua\"\u003ePVC orientado DN 250 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-20-agua\"\u003ePVC orientado DN 350 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-12-5-agua\"\u003emesmo DN 300 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-16-agua\"\u003emesmo DN 300 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104356696229,"sku":"HB-PVCO-AG-300-20","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_01cb3cfa-5fa5-4188-90a0-0b9a11f6217e.jpg?v=1793868414"},{"product_id":"tubo-pvc-orientado-dn-250-pn-20-agua","title":"Tubo PVC Orientado DEFOFO DN 250 PN 20 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 250, classe PN 20, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e274 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e246 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e160 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala à mão\u003c\/strong\u003e, com duas ou três pessoas, sem guindaste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e274 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e255,2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e163 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e29,1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,75 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,40 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,15 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,40 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida manual, de mão em mão, com duas ou três pessoas.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 250\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e160 barras, 960 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e50 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e246 metros (41 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e54,8 m (200 x DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 20 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20 bar (2,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18 bar (1,80 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14 bar (1,40 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12 bar (1,20 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 255,2 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e30,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e110\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e51,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e184\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e76,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e276\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6,28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e102,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e368\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e127,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e460\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e15,99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e153,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e552\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e22,36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 250 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 160 barras de DN 250, o equivalente a 960 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 250 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 41 barras por dia, cerca de 246 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eSim, dentro de limites. Neste diâmetro a barra aceita curva no próprio corpo com raio mínimo de 54,8 m (200 x DE), e cada junta permite deflexão de 1° a 2°, o que dá desvio de 0,10 a 0,21 m por barra de 6 m.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 250?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 50 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-20-esgoto-recalque\"\u003eversão DN 250 PN 20 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-200-pn-20-agua\"\u003ePVC orientado DN 200 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-20-agua\"\u003ePVC orientado DN 300 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-12-5-agua\"\u003emesmo DN 250 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-250-pn-16-agua\"\u003emesmo DN 250 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104357515429,"sku":"HB-PVCO-AG-250-20","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_6bf2abe5-014f-4b45-90d1-0ca848d60fee.jpg?v=1793868414"},{"product_id":"tubo-pvc-orientado-dn-350-pn-20-agua","title":"Tubo PVC Orientado DEFOFO DN 350 PN 20 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 350, classe PN 20, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e378 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e210 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e72 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala com cintas de nylon\u003c\/strong\u003e em dois pontos e equipamento leve, sem corrente nem cabo de aço.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e378 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e13,0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e352 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e208 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e29,1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e8,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,80 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,85 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,95 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,10 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,45 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida com cintas de nylon em dois pontos e equipamento mecânico.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 350\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e72 barras, 432 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e65 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e210 metros (35 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003enão recomendada neste diâmetro: use deflexão na junta, com verificação do projetista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 20 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20 bar (2,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18 bar (1,80 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14 bar (1,40 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12 bar (1,20 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 352 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e58,4\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e210\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,81\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e97,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e350\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e146,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e525\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e4,29\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e194,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e701\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e7,27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e243,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e876\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e10,95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e291,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.051\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e15,32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 350 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 72 barras de DN 350, o equivalente a 432 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 350 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 35 barras por dia, cerca de 210 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eNeste diâmetro, o caminho é a deflexão nas juntas: de 1° a 2° por junta, ou 0,10 a 0,21 m de desvio por barra de 6 m. Peso e rigidez não favorecem curvar o corpo do tubo, e o traçado deve ser conferido pelo projetista.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 350?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 65 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-20-esgoto-recalque\"\u003eversão DN 350 PN 20 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-300-pn-20-agua\"\u003ePVC orientado DN 300 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-20-agua\"\u003ePVC orientado DN 400 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-12-5-agua\"\u003emesmo DN 350 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-16-agua\"\u003emesmo DN 350 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104357580965,"sku":"HB-PVCO-AG-350-20","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_27701d11-2427-4e5d-b9b2-cff643e9e527.jpg?v=1793868415"},{"product_id":"tubo-pvc-orientado-dn-400-pn-20-agua","title":"Tubo PVC Orientado DEFOFO DN 400 PN 20 Rede de Água 6 Metros Ponta e Bolsa","description":"\u003cp\u003eBarra de 6 metros de tubo PVC orientado DN 400, classe PN 20, para adutora e rede de água. Montada por encaixe de ponta e bolsa com anel em borracha EPDM, sem solda, sem adesivo e sem máquina de fusão no canteiro.\u003c\/p\u003e\u003cp\u003eO diâmetro externo de \u003cstrong\u003e429 mm\u003c\/strong\u003e segue o padrão do ferro fundido (DEFOFO): a ponta acopla em tubos e peças de ferro fundido NBR 7675.\u003c\/p\u003e\u003ch2\u003ePor que a obra rende mais\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e192 metros por dia\u003c\/strong\u003e como referência de instalação neste diâmetro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 barras por carreta\u003c\/strong\u003e, o que reduz o número de viagens até a frente de obra.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraçado com menos conexões\u003c\/strong\u003e, aproveitando a deflexão nas juntas e, nos diâmetros menores, a curva na própria vala.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescarga e descida na vala com cintas de nylon\u003c\/strong\u003e em dois pontos e equipamento leve, sem corrente nem cabo de aço.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSem corrosão\u003c\/strong\u003e, sem revestimento interno e sem proteção catódica.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMedidas\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMedida\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDN\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003eDN 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eClasse\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ePN 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDiâmetro externo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e429 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eParede\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14,8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003ePassagem interna (calculada)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e399,4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eProfundidade da bolsa\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e228 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eBarra\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eSDR (DE dividido pela parede)\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e29\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eOvalização máxima aceita no recebimento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eExecução em campo\u003c\/h2\u003e\u003ch3\u003eVala\u003c\/h3\u003e\u003cp\u003eA largura deixa espaço para o compactador nas duas laterais do tubo. Valores de referência para água:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:650px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eCota de corte\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento com pontaletes\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eContínuo ou descontínuo\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eEscoramento especial\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMetálico-madeira\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eaté 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,90 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,10 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,60 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eacima de 2 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,30 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,60 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eProfundidade mínima\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eOnde passa a rede\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTerra mínima sobre o tubo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCalçada\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua asfaltada ou com guia e sarjeta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eRua de terra ou sem greide definido\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eAssentamento\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFundo de vala alinhado com a topografia, sem pedra, sem entulho e sem concreto.\u003c\/li\u003e\n\u003cli\u003eBerço de areia grossa com 10 cm no mínimo, com nicho escavado sob cada bolsa.\u003c\/li\u003e\n\u003cli\u003eDescida com cintas de nylon em dois pontos e equipamento mecânico.\u003c\/li\u003e\n\u003cli\u003eMáquinas pesadas a pelo menos 2 m do eixo da rede durante a instalação.\u003c\/li\u003e\n\u003cli\u003eReaterro lateral em camadas de 10 a 15 cm, com grau mínimo de 95% do Proctor Normal, usando sapo ou placa vibratória, até 30 cm acima do tubo.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEncaixe passo a passo\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eOlhe a ponta e a bolsa antes de montar: anel inteiro e bem sentado na canaleta.\u003c\/li\u003e\n\u003cli\u003ePasse um pano úmido no anel e dentro da bolsa.\u003c\/li\u003e\n\u003cli\u003eApoie ponta e bolsa em calços, longe do chão da vala.\u003c\/li\u003e\n\u003cli\u003ePasta lubrificante no anel e dentro da bolsa. Óleo e graxa estragam a borracha.\u003c\/li\u003e\n\u003cli\u003eDeixe os dois tubos alinhados, de lado e de cima.\u003c\/li\u003e\n\u003cli\u003eEncaixe de uma vez até a marca, com a mão, com alavanca ou com tirfor se o tubo for grande.\u003c\/li\u003e\n\u003cli\u003eDesvio de traçado só com a junta já montada.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003ePeças especiais e ancoragem\u003c\/h3\u003e\u003cp\u003eCurvas, tês, reduções, caps, válvulas e registros usam peças de ferro fundido NBR 7675. Ao entrar numa peça de ferro fundido, reduza antes o chanfro da ponta e empurre o tubo até o fundo da bolsa da peça. A marca de inserção do tubo não vale nesse caso, porque a bolsa metálica é mais rasa. Toda peça e todo trecho com declividade acentuada recebem bloco de ancoragem de concreto, com manta de polietileno ou borracha entre o bloco e o tubo. Não aqueça o tubo em hipótese alguma.\u003c\/p\u003e\u003ch2\u003eLogística da obra\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eNa obra\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eDN 400\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCarga de uma carreta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e60 barras, 360 metros\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eConsumo de pasta\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e70 gramas por junta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eReferência diária de assentamento\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e192 metros (32 barras)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eCurva no corpo do tubo\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003enão recomendada neste diâmetro: use deflexão na junta, com verificação do projetista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003eDesvio na junta, por barra de 6 m\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003ede 0,10 a 0,21 m (1° a 2°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eÉ uma referência da linha, tirada de obras anteriores. Equipe, profundidade e interferências do local mudam bastante esse número.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePilha de até 1,5 m sobre sarrafos, alternando ponta e bolsa.\u003c\/li\u003e\n\u003cli\u003eArmazenagem por mais de 6 meses pede cobertura.\u003c\/li\u003e\n\u003cli\u003eNunca movimente com corrente ou cabo de aço.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePressão e hidráulica\u003c\/h2\u003e\u003cp\u003ePressão nominal de 20 bar até 25 °C, com redução em temperaturas maiores:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eTemperatura da água\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eMultiplicador\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003ePressão de trabalho\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e25 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,0\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e20 bar (2,00 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e30 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e18 bar (1,80 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e35 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,8\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e16 bar (1,60 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e40 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,7\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e14 bar (1,40 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec\"\u003e45 °C ou menos\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e12 bar (1,20 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eVazão e perda de carga com a passagem interna de 399,4 mm:\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"min-width:520px;width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:15px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eV (m\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (l\/s)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eQ (m³\/h)\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:8px 10px;background:#1e2a3a;color:#fff\"\u003eJ (m por km)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e75,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e271\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e0,70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e125,3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e451\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,76\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e187,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e677\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3,70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e250,6\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e902\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e6,27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e2,5\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e313,2\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.128\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e9,44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e375,9\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e1.353\u003c\/td\u003e\n\u003ctd style=\"padding:7px 10px;border-bottom:1px solid #e3e7ec;text-align:right\"\u003e13,21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eReferências normativas\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTubo: ABNT NBR 15750 e ISO 16422.\u003c\/li\u003e\n\u003cli\u003eAnel de borracha: ABNT NBR 7676.\u003c\/li\u003e\n\u003cli\u003ePeças de ferro fundido: ABNT NBR 7675.\u003c\/li\u003e\n\u003cli\u003eVala e reaterro: ABNT NBR 17015.\u003c\/li\u003e\n\u003cli\u003eTeste de estanqueidade: ABNT NBR 9650.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComo comprar\u003c\/h2\u003e\u003cp\u003eLinha técnica com pedido mínimo de \u003cstrong\u003eR$ 5.000,00\u003c\/strong\u003e e frete FOB SP. O prazo sai junto com a cotação. Mande a lista de diâmetros, classes e metragens da obra.\u003c\/p\u003e\u003ch2\u003eDúvidas de quem está na obra\u003c\/h2\u003e\u003ch3\u003eQuantas barras de tubo DN 400 cabem em uma carreta?\u003c\/h3\u003e\u003cp\u003eUma carreta leva em média 60 barras de DN 400, o equivalente a 360 metros de rede. O número exato depende do veículo e da amarração da carga.\u003c\/p\u003e\u003ch3\u003eQuantos metros de tubo DN 400 se assentam por dia?\u003c\/h3\u003e\u003cp\u003eA referência da linha neste diâmetro é de 32 barras por dia, cerca de 192 metros, tirada de obras anteriores. O tamanho da equipe, a profundidade da vala e as interferências do local mudam esse número, e obras em área central rendem menos.\u003c\/p\u003e\u003ch3\u003eDá para fazer curva com o tubo sem usar conexão?\u003c\/h3\u003e\u003cp\u003eNeste diâmetro, o caminho é a deflexão nas juntas: de 1° a 2° por junta, ou 0,10 a 0,21 m de desvio por barra de 6 m. Peso e rigidez não favorecem curvar o corpo do tubo, e o traçado deve ser conferido pelo projetista.\u003c\/p\u003e\u003ch3\u003eQuanto de pasta lubrificante vai por junta no DN 400?\u003c\/h3\u003e\u003cp\u003eO consumo médio é de 70 gramas por junta. Use sempre pasta lubrificante própria para junta elástica: óleo e graxa atacam o anel de vedação e comprometem a estanqueidade.\u003c\/p\u003e\u003ch3\u003eQual a diferença entre o tubo de água e o de esgoto?\u003c\/h3\u003e\u003cp\u003eA geometria e a pressão são as mesmas. Muda o anel de vedação, em EPDM para água e em borracha nitrílica para esgoto, e a cor das faixas: azuis na água e ocre no esgoto, para identificar a rede em campo.\u003c\/p\u003e\u003ch2\u003eOutras medidas e aplicações\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o\"\u003etubos de PVC orientado em todos os diâmetros\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/tubo-pvc-o-agua\"\u003ePVC orientado para adutora e rede de água\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-20-esgoto-recalque\"\u003eversão DN 400 PN 20 para recalque e rede de esgoto sob pressão\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-350-pn-20-agua\"\u003ePVC orientado DN 350 PN 20\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-12-5-agua\"\u003emesmo DN 400 na classe PN 12,5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tubo-pvc-orientado-dn-400-pn-16-agua\"\u003emesmo DN 400 na classe PN 16\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-size:13px;color:#667\"\u003eNúmeros para estudo preliminar. Vazão e perda de carga calculadas por nós com a passagem interna obtida da parede nominal (Darcy-Weisbach e Colebrook-White, rugosidade de 0,003 mm na água e 0,06 mm no esgoto). Ensaios de laboratório podem mostrar vazão menor. Quem assina o projeto define os valores finais.\u003c\/p\u003e","brand":"HDPE Brazil","offers":[{"title":"Default Title","offer_id":51104359284901,"sku":"HB-PVCO-AG-400-20","price":114999.99,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/4578\/9349\/files\/pvco_agua_principal_e5d39b8c-c5d4-4bc8-baec-ab67696fdc99.jpg?v=1793868417"}],"url":"https:\/\/www.hdpe.com.br\/collections\/tubo-pvc-o-agua.oembed","provider":"HDPE Brazil","version":"1.0","type":"link"}