{"id":22685,"date":"2026-06-26T09:08:24","date_gmt":"2026-06-26T09:08:24","guid":{"rendered":"https:\/\/www.vincervalve.com\/?p=22685"},"modified":"2026-07-18T05:39:39","modified_gmt":"2026-07-18T05:39:39","slug":"valve-standards","status":"publish","type":"post","link":"https:\/\/www.vincervalve.com\/pt\/valve-standards-guide\/","title":{"rendered":"Normas para v\u00e1lvulas explicadas \u2014 Um guia pr\u00e1tico sobre API, ASME, ISO, DIN e JIS"},"content":{"rendered":"<p data-path-to-node=\"2\">Se alguma vez abriu um caderno de encargos para a aquisi\u00e7\u00e3o de v\u00e1lvulas e se sentiu perdido num mar de letras e n\u00fameros \u2014 API 6D, ASME B16.34, ISO 14313, EN 558, JIS B2071 \u2014, saiba que n\u00e3o est\u00e1 sozinho. O panorama global das normas relativas \u00e0s v\u00e1lvulas \u00e9 extenso, apresenta sobreposi\u00e7\u00f5es e, em grande parte, n\u00e3o est\u00e1 documentado num \u00fanico local que fa\u00e7a sentido para um engenheiro em atividade.<\/p>\n<p data-path-to-node=\"3\">Este guia \u00e9 exatamente esse ponto de refer\u00eancia \u00fanico. Explica quais s\u00e3o as principais normas relativas \u00e0s v\u00e1lvulas, como se relacionam entre si, o que distingue a ANSI da DIN e da JIS, e quais as normas que s\u00e3o relevantes para o seu setor. Sem rodeios, sem marketing \u2014 apenas a refer\u00eancia de que precisa.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-22677\" src=\"https:\/\/www.vincervalve.com\/wp-content\/uploads\/2026\/07\/Valve-Standards-1.webp\" alt=\"Normas-das-v\u00e1lvulas-1\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.vincervalve.com\/wp-content\/uploads\/2026\/07\/Valve-Standards-1.webp 1024w, https:\/\/www.vincervalve.com\/wp-content\/uploads\/2026\/07\/Valve-Standards-1-768x576.webp 768w, https:\/\/www.vincervalve.com\/wp-content\/uploads\/2026\/07\/Valve-Standards-1-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2 data-path-to-node=\"5\">Explica\u00e7\u00e3o dos c\u00f3digos, normas e especifica\u00e7\u00f5es da hierarquia de normas da Valve<\/h2>\n<p data-path-to-node=\"6\">Mas, antes de mais: qual \u00e9 a diferen\u00e7a entre um c\u00f3digo, uma norma e uma especifica\u00e7\u00e3o? Estes tr\u00eas termos s\u00e3o frequentemente utilizados de forma intercambi\u00e1vel nas conversas, mas, no \u00e2mbito da aquisi\u00e7\u00e3o de material de engenharia, t\u00eam significados muito diferentes e confundir os dois pode levar a erros dispendiosos.<\/p>\n<p data-path-to-node=\"7\">Pense nisso como uma pir\u00e2mide de tr\u00eas camadas:<\/p>\n<ul data-path-to-node=\"8\">\n<li>\n<p data-path-to-node=\"8,0,0\"><b data-path-to-node=\"8,0,0\" data-index-in-node=\"0\">C\u00f3digos<\/b> est\u00e3o no topo da lista. S\u00e3o documentos juridicamente vinculativos que lhe indicam <i data-path-to-node=\"8,0,0\" data-index-in-node=\"75\">o que tens de fazer<\/i>. Uma norma n\u00e3o indica como projetar uma v\u00e1lvula; indica apenas que qualquer v\u00e1lvula instalada num determinado sistema de tubagem deve estar em conformidade com uma norma homologada. O c\u00f3digo mais frequentemente citado na aquisi\u00e7\u00e3o de v\u00e1lvulas \u00e9 o ASME B31.3 (Tubagem de Processo). Quando o B31.3 estipula que uma v\u00e1lvula deve estar em conformidade com uma \u00abnorma listada\u00bb, isso significa que a v\u00e1lvula deve ser concebida e fabricada de acordo com uma norma como a API 600 ou a ASME B16.34. Os c\u00f3digos n\u00e3o s\u00e3o opcionais; t\u00eam for\u00e7a de lei na maioria das jurisdi\u00e7\u00f5es.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,1,0\"><b data-path-to-node=\"8,1,0\" data-index-in-node=\"0\">Normas<\/b> ocupam a camada interm\u00e9dia. Dizem-te que <i data-path-to-node=\"8,1,0\" data-index-in-node=\"49\">como faz\u00ea-lo<\/i>. Uma norma define os requisitos de conce\u00e7\u00e3o, as dimens\u00f5es, os materiais, os procedimentos de ensaio e a marca\u00e7\u00e3o. A API 600 (V\u00e1lvulas de porta em a\u00e7o), a ASME B16.34 (V\u00e1lvulas com extremidades flangeadas, roscadas e para soldadura) e a ISO 14313 (V\u00e1lvulas para condutas) s\u00e3o todas normas. S\u00e3o referenciadas por c\u00f3digos, mas n\u00e3o s\u00e3o, por si s\u00f3, juridicamente vinculativas, a menos que sejam adotadas por um c\u00f3digo ou contrato.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"8,2,0\"><b data-path-to-node=\"8,2,0\" data-index-in-node=\"0\">Especifica\u00e7\u00f5es<\/b> formam a camada inferior. Dizem-te que <i data-path-to-node=\"8,2,0\" data-index-in-node=\"52\">o que usar<\/i>. A norma ASTM A216 WCC \u00e9 uma especifica\u00e7\u00e3o de material que define a composi\u00e7\u00e3o qu\u00edmica e as propriedades mec\u00e2nicas das pe\u00e7as fundidas de a\u00e7o ao carbono utilizadas nos corpos das v\u00e1lvulas. Quando um engenheiro indica \u00abcorpo da v\u00e1lvula: ASTM A216 WCC\u00bb numa ficha t\u00e9cnica, est\u00e1 a fazer refer\u00eancia a essa especifica\u00e7\u00e3o.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"9\">Um exemplo pr\u00e1tico ilustra bem este conceito: uma refinaria de petr\u00f3leo necessita de uma v\u00e1lvula de gaveta para uma linha de processo. A norma ASME B31.3 (o c\u00f3digo) estipula que as v\u00e1lvulas devem estar em conformidade com uma norma listada. O engenheiro seleciona a API 600 (a norma) como base de projeto. O engenheiro de materiais especifica a ASTM A216 WCC (a especifica\u00e7\u00e3o) para o corpo da v\u00e1lvula. Tr\u00eas camadas, uma v\u00e1lvula, zero ambiguidade quando feito da forma correta.<\/p>\n<blockquote data-path-to-node=\"10\">\n<p data-path-to-node=\"10,0\"><b data-path-to-node=\"10,0\" data-index-in-node=\"0\">Resumo de \u00abA Pir\u00e2mide\u00bb:<\/b><\/p>\n<ul data-path-to-node=\"10,1\">\n<li>\n<p data-path-to-node=\"10,1,0,0\"><b data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\">C\u00f3digos:<\/b> ASME B31.3<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,1,1,0\"><b data-path-to-node=\"10,1,1,0\" data-index-in-node=\"0\">Normas:<\/b> API 600 \/ B16.34<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,1,2,0\"><b data-path-to-node=\"10,1,2,0\" data-index-in-node=\"0\">Especifica\u00e7\u00f5es:<\/b> ASTM A216 WCC<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<h2 data-path-to-node=\"12\">Res ls\u00f5a ec\u00fa sas,aslM  aimntSoaAs  rEad eadveol nsv\u00e1oo a r\u00e7elge mAu udsinPvrI\u00e0zISO<\/h2>\n<p data-path-to-node=\"13\">Tr\u00eas organiza\u00e7\u00f5es definem as normas para a conce\u00e7\u00e3o de v\u00e1lvulas a n\u00edvel mundial. Compreender como estas se relacionam entre si poupa-lhe horas de confus\u00e3o mais tarde. N\u00e3o s\u00e3o concorrentes. Funcionam em conjunto: a ASME fornece a base dimensional e de press\u00e3o-temperatura, a API desenvolve requisitos de conce\u00e7\u00e3o espec\u00edficos do setor com base nessa base e a ISO cria vers\u00f5es harmonizadas a n\u00edvel internacional que fazem refer\u00eancia a ambas.<\/p>\n<h3 data-path-to-node=\"14\">Normas da API: a espinha dorsal do setor do petr\u00f3leo e do g\u00e1s<\/h3>\n<p data-path-to-node=\"15\">Se trabalha no setor do petr\u00f3leo e do g\u00e1s, as normas API s\u00e3o imprescind\u00edveis. Constituem a linguagem de especifica\u00e7\u00e3o global de facto para v\u00e1lvulas utilizadas nos setores a montante, a meio e a jusante da ind\u00fastria dos hidrocarbonetos.<\/p>\n<table data-path-to-node=\"16\">\n<thead>\n<tr>\n<td><strong>API Padr\u00e3o<\/strong><\/td>\n<td><strong>Capas<\/strong><\/td>\n<td><strong>\u00daltima edi\u00e7\u00e3o<\/strong><\/td>\n<td><strong>O que isso significa na pr\u00e1tica<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"16,1,0,0\">API 6D<\/span><\/td>\n<td><span data-path-to-node=\"16,1,1,0\">V\u00e1lvulas para condutas (de esfera, de guilhotina, de reten\u00e7\u00e3o, de tamp\u00e3o)<\/span><\/td>\n<td><span data-path-to-node=\"16,1,2,0\">25.\u00aa ed. (2021) + Adenda n.\u00ba 3 (2025)<\/span><\/td>\n<td><span data-path-to-node=\"16,1,3,0\">Especifica\u00e7\u00f5es de conce\u00e7\u00e3o de n\u00edvel superior para v\u00e1lvulas de servi\u00e7o em condutas, Classe 150 2500<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,2,0,0\">API 600<\/span><\/td>\n<td><span data-path-to-node=\"16,2,1,0\">V\u00e1lvulas de porta em a\u00e7o com tampa aparafusada<\/span><\/td>\n<td><span data-path-to-node=\"16,2,2,0\">14.\u00aa ed. (2021)<\/span><\/td>\n<td><span data-path-to-node=\"16,2,3,0\">A v\u00e1lvula de gaveta de refer\u00eancia para refinarias e instala\u00e7\u00f5es de processamento<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,3,0,0\">API 608<\/span><\/td>\n<td><span data-path-to-node=\"16,3,1,0\">V\u00e1lvulas de esfera met\u00e1licas<\/span><\/td>\n<td><span data-path-to-node=\"16,3,2,0\">5.\u00aa ed. (2021)<\/span><\/td>\n<td><span data-path-to-node=\"16,3,3,0\">Requisitos de conce\u00e7\u00e3o e desempenho para v\u00e1lvulas de esfera flutuantes e com munh\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,4,0,0\">API 609<\/span><\/td>\n<td><span data-path-to-node=\"16,4,1,0\">V\u00e1lvulas de borboleta<\/span><\/td>\n<td><span data-path-to-node=\"16,4,2,0\">9.\u00aa ed. (2024)<\/span><\/td>\n<td><span data-path-to-node=\"16,4,3,0\">Abrange v\u00e1lvulas de borboleta com orelhas, de disco e de flange dupla<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,5,0,0\">API 598<\/span><\/td>\n<td><span data-path-to-node=\"16,5,1,0\">Inspe\u00e7\u00e3o e ensaio de v\u00e1lvulas<\/span><\/td>\n<td><span data-path-to-node=\"16,5,2,0\">10.\u00aa ed. (2016, reafirmada em 2021)<\/span><\/td>\n<td><span data-path-to-node=\"16,5,3,0\">O manual de valida\u00e7\u00e3o \u00e9 referido em praticamente todas as ordens de compra de v\u00e1lvulas<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,6,0,0\">API 602<\/span><\/td>\n<td><span data-path-to-node=\"16,6,1,0\">V\u00e1lvulas de gaveta compactas em a\u00e7o (d NPS 4)<\/span><\/td>\n<td><span data-path-to-node=\"16,6,2,0\">10.\u00aa ed. (2023)<\/span><\/td>\n<td><span data-path-to-node=\"16,6,3,0\">Pequenas v\u00e1lvulas de porta, de esfera e de reten\u00e7\u00e3o em a\u00e7o forjado<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"17\">Se tiver de se lembrar de apenas uma norma API, que seja a API 6D. \u00c9 a especifica\u00e7\u00e3o para v\u00e1lvulas de condutas em torno da qual giram a maioria das outras normas. Se pretender inspecionar as v\u00e1lvulas \u00e0 chegada, a API 598 \u00e9 a sua lista de verifica\u00e7\u00e3o: define a press\u00e3o de ensaio do corpo (1,5\u00d7 a press\u00e3o m\u00e1xima admiss\u00edvel) e a press\u00e3o de ensaio da sede (1,1\u00d7 a press\u00e3o m\u00e1xima admiss\u00edvel).<\/p>\n<blockquote data-path-to-node=\"18\">\n<p data-path-to-node=\"18,0\"><b data-path-to-node=\"18,0\" data-index-in-node=\"0\">Conclus\u00e3o:<\/b> Se tiver de se lembrar apenas de uma norma API: a API 6D, a especifica\u00e7\u00e3o para v\u00e1lvulas de condutas.<\/p>\n<\/blockquote>\n<h3 data-path-to-node=\"19\">Normas ASME: A Base Fundamental<\/h3>\n<p data-path-to-node=\"20\">As normas da s\u00e9rie ASME B16 constituem a base. Definem a geometria f\u00edsica e o intervalo de press\u00e3o e temperatura dentro do qual praticamente todas as v\u00e1lvulas industriais funcionam, independentemente da norma espec\u00edfica do setor que venha a ser aplicada.<\/p>\n<table data-path-to-node=\"21\">\n<thead>\n<tr>\n<td><strong>Norma ASME<\/strong><\/td>\n<td><strong>Capas<\/strong><\/td>\n<td><strong>\u00daltima edi\u00e7\u00e3o<\/strong><\/td>\n<td><strong>Por que \u00e9 importante<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"21,1,0,0\">B16.34<\/span><\/td>\n<td><span data-path-to-node=\"21,1,1,0\">V\u00e1lvulas com extremidades flangeadas, roscadas e para soldadura<\/span><\/td>\n<td><span data-path-to-node=\"21,1,2,0\">2025 (maio)<\/span><\/td>\n<td><span data-path-to-node=\"21,1,3,0\">A norma universal de conce\u00e7\u00e3o de v\u00e1lvulas; define os valores nominais de press\u00e3o e temperatura e os grupos de materiais para as classes 150 e 4500<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"21,2,0,0\">B16.10<\/span><\/td>\n<td><span data-path-to-node=\"21,2,1,0\">Dimens\u00f5es \u00abcara a cara\u00bb e \u00abde ponta a ponta\u00bb<\/span><\/td>\n<td><span data-path-to-node=\"21,2,2,0\">2022<\/span><\/td>\n<td><span data-path-to-node=\"21,2,3,0\">Garzbtaarrnmiisofsaaenaaa  e t n s iseer   a nqelioido ixffnn\u00e1us oo lvcaenvet e npagspeascrtoecctlee amudme rontstes<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"21,3,0,0\">B16.5<\/span><\/td>\n<td><span data-path-to-node=\"21,3,1,0\">Flange de tubos e acess\u00f3rios com flange (d NPS 24)<\/span><\/td>\n<td><span data-path-to-node=\"21,3,2,0\">2020<\/span><\/td>\n<td><span data-path-to-node=\"21,3,3,0\">A norma de dimens\u00f5es de flanges mais utilizada para tubagens de di\u00e2metro nominal padr\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"21,4,0,0\">B16.47<\/span><\/td>\n<td><span data-path-to-node=\"21,4,1,0\">Flanges de a\u00e7o de grande di\u00e2metro (NPS 26-60)<\/span><\/td>\n<td><span data-path-to-node=\"21,4,2,0\">2020<\/span><\/td>\n<td><span data-path-to-node=\"21,4,3,0\">Complemento ao B16.5 para aplica\u00e7\u00f5es de grande di\u00e2metro<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"21,5,0,0\">Um ponto seis dois cinco<\/span><\/td>\n<td><span data-path-to-node=\"21,5,1,0\">Extremidades para soldadura de topo<\/span><\/td>\n<td><span data-path-to-node=\"21,5,2,0\">2021<\/span><\/td>\n<td><span data-path-to-node=\"21,5,3,0\">Pad io xeadeod mdtisaesaardeoareaip el\u00e7 a r\u00e3mra asntgopzr dar<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"22\">A norma B16.34 \u00e9 a \u00fanica que todo engenheiro de v\u00e1lvulas deve conhecer. O seu mecanismo central, o sistema de numera\u00e7\u00e3o de grupos de materiais, atribui um n\u00famero de grupo a cada material de corpo autorizado. Esse n\u00famero de grupo determina o limite m\u00e1ximo de press\u00e3o e temperatura. Um corpo de v\u00e1lvula fabricado com material do Grupo 1.1 (a\u00e7o ao carbono A216 WCC) tem uma press\u00e3o m\u00e1xima admiss\u00edvel a 400 \u00b0C diferente da de um corpo fabricado com material do Grupo 2.2 (a\u00e7o inoxid\u00e1vel 316 A351 CF8M). \u00c9 assim que as classifica\u00e7\u00f5es de press\u00e3o das v\u00e1lvulas funcionam na pr\u00e1tica. A Classe 300 n\u00e3o significa que a v\u00e1lvula possa suportar 300 psi a qualquer temperatura; a press\u00e3o real admiss\u00edvel depende do grupo de materiais e da temperatura de servi\u00e7o, e ambos podem ser consultados nas tabelas da norma B16.34.<\/p>\n<blockquote data-path-to-node=\"23\">\n<p data-path-to-node=\"23,0\"><b data-path-to-node=\"23,0\" data-index-in-node=\"0\">Como os grupos de materiais determinam os valores nominais de press\u00e3o<\/b><\/p>\n<p data-path-to-node=\"23,0\">A cada material \u00e9 atribu\u00eddo um n\u00famero de grupo na norma ASME B16.34. Esse n\u00famero de grupo, combinado com a temperatura de servi\u00e7o, determina a press\u00e3o m\u00e1xima admiss\u00edvel. Um corpo de a\u00e7o ao carbono do Grupo 1.1 a 400 \u00b0C tem um limite m\u00e1ximo mais elevado do que um corpo de a\u00e7o inoxid\u00e1vel do Grupo 2.2 \u00e0 mesma temperatura \u2014 a cadeia de classifica\u00e7\u00e3o \u00e9 a seguinte: <b data-path-to-node=\"23,0\" data-index-in-node=\"339\">N\u00famero do grupo \u2192 Temperatura \u2192 Press\u00e3o admiss\u00edvel<\/b>.<\/p>\n<\/blockquote>\n<h3 data-path-to-node=\"24\">Harmoniza\u00e7\u00e3o global das normas ISO e EN<\/h3>\n<p data-path-to-node=\"25\">As normas ISO n\u00e3o substituem as normas API ou ASME, mas traduzem-nas em documentos reconhecidos internacionalmente. Trata-se de uma distin\u00e7\u00e3o fundamental que, por vezes, at\u00e9 mesmo engenheiros experientes n\u00e3o t\u00eam em conta.<\/p>\n<table data-path-to-node=\"26\">\n<thead>\n<tr>\n<td><strong>Norma ISO<\/strong><\/td>\n<td><strong>Rela\u00e7\u00e3o com a API\/ASME<\/strong><\/td>\n<td><strong>\u00daltima edi\u00e7\u00e3o<\/strong><\/td>\n<td><strong>\u00c2mbcinpioit rpal<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"26,1,0,0\">Norma Internacional<\/span><\/td>\n<td><span data-path-to-node=\"26,1,1,0\">Suplemento \u00e0 norma API 6D (25.\u00aa ed.)<\/span><\/td>\n<td><span data-path-to-node=\"26,1,2,0\">3.\u00aa ed. (junho de 2025)<\/span><\/td>\n<td><span data-path-to-node=\"26,1,3,0\">V\u00e1lvulas para condutas destinadas a projetos internacionais: a norma ISO que abrange a API 6D<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"26,2,0,0\">Norma Internacional ISO 14723<\/span><\/td>\n<td><span data-path-to-node=\"26,2,1,0\">Suplemento \u00e0 norma API 6DSS (3.\u00aa ed.)<\/span><\/td>\n<td><span data-path-to-node=\"26,2,2,0\">3.\u00aa ed. (2025)<\/span><\/td>\n<td><span data-path-to-node=\"26,2,3,0\">V\u00e1lvulas para condutas submarinas \u2014 vers\u00e3o internacional da especifica\u00e7\u00e3o submarina<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"26,3,0,0\">ISO 17292<\/span><\/td>\n<td><span data-path-to-node=\"26,3,1,0\">Com base na norma API 608<\/span><\/td>\n<td><span data-path-to-node=\"26,3,2,0\">Segunda Edi\u00e7\u00e3o (2015)<\/span><\/td>\n<td><span data-path-to-node=\"26,3,3,0\">V\u00e1lvulas de esfera met\u00e1licas para uso industrial geral<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"26,4,0,0\">Norma Internacional<\/span><\/td>\n<td><span data-path-to-node=\"26,4,1,0\">API da Parallels 598<\/span><\/td>\n<td><span data-path-to-node=\"26,4,2,0\">4.\u00aa ed. (2015)<\/span><\/td>\n<td><span data-path-to-node=\"26,4,3,0\">Os ensaios de press\u00e3o das v\u00e1lvulas met\u00e1licas est\u00e3o cada vez mais em conformidade com a norma API 598<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"26,5,0,0\">ISO 15848-1<\/span><\/td>\n<td><span data-path-to-node=\"26,5,1,0\">Aut\u00f3nomo<\/span><\/td>\n<td><span data-path-to-node=\"26,5,2,0\">Segunda Edi\u00e7\u00e3o (2015)<\/span><\/td>\n<td><span data-path-to-node=\"26,5,3,0\">Os ensaios de tipo para emiss\u00f5es fugitivas s\u00e3o a norma de refer\u00eancia para a certifica\u00e7\u00e3o de estanqueidade das juntas de veda\u00e7\u00e3o<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"27\">A norma ISO 14313:2025 tem apenas duas p\u00e1ginas. N\u00e3o se trata de um erro: todo o conte\u00fado t\u00e9cnico consta na norma API 6D. A norma ISO 14313 acrescenta requisitos suplementares para a ado\u00e7\u00e3o internacional, mas n\u00e3o \u00e9 uma norma aut\u00f3noma. Se adquirir a norma ISO 14313 sem tamb\u00e9m possuir a API 6D, estar\u00e1 apenas com uma p\u00e1gina de rosto e um pref\u00e1cio. Este padr\u00e3o de co-depend\u00eancia repete-se em toda a fam\u00edlia de normas ISO relativas a v\u00e1lvulas e \u00e9 o aspeto mais importante a compreender sobre a rela\u00e7\u00e3o entre a ISO e a API.<\/p>\n<blockquote data-path-to-node=\"28\">\n<p data-path-to-node=\"28,0\"><b data-path-to-node=\"28,0\" data-index-in-node=\"0\">2 p\u00e1ginas.<\/b><\/p>\n<p data-path-to-node=\"28,0\">Essa \u00e9 a extens\u00e3o total da norma ISO 14313:2025. O conte\u00fado propriamente dito encontra-se na API 6D.<\/p>\n<\/blockquote>\n<h2 data-path-to-node=\"30\">Orienta\u00e7\u00e3o sobre as normas internacionais: ANSI, DIN e JIS<\/h2>\n<p data-path-to-node=\"31\">Os tr\u00eas principais sistemas de normaliza\u00e7\u00e3o regionais \u2014 ANSI\/ASME (Am\u00e9ricas), DIN\/EN (Europa) e JIS (Jap\u00e3o\/\u00c1sia) \u2014 diferem em tr\u00eas aspetos pr\u00e1ticos. Quando se adquirem v\u00e1lvulas em diferentes regi\u00f5es, \u00e9 nestes aspetos que ocorrem erros.<\/p>\n<h3 data-path-to-node=\"32\">Sistemas de classe de press\u00e3o: Classe vs. PN vs. K<\/h3>\n<p data-path-to-node=\"33\">A diferen\u00e7a mais fundamental entre os tr\u00eas sistemas reside na forma como designam os valores nominais de press\u00e3o, e nenhum desses n\u00fameros significa o que parece significar \u00e0 primeira vista.<\/p>\n<table data-path-to-node=\"34\">\n<thead>\n<tr>\n<td><strong>Classe ANSI\/ASME<\/strong><\/td>\n<td><strong>DIN\/EN PN<\/strong><\/td>\n<td><strong>Classifica\u00e7\u00e3o JIS K<\/strong><\/td>\n<td><strong>Sobreposi\u00e7\u00e3o aproximada<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"34,1,0,0\">Classe 150<\/span><\/td>\n<td><span data-path-to-node=\"34,1,1,0\">PN20<\/span><\/td>\n<td><span data-path-to-node=\"34,1,2,0\">10 km<\/span><\/td>\n<td><span data-path-to-node=\"34,1,3,0\">Servi\u00e7o geral de baixa press\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"34,2,0,0\">Classe 300<\/span><\/td>\n<td><span data-path-to-node=\"34,2,1,0\">PN50<\/span><\/td>\n<td><span data-path-to-node=\"34,2,2,0\">20 mil<\/span><\/td>\n<td><span data-path-to-node=\"34,2,3,0\">Processo de m\u00e9dia press\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"34,3,0,0\">Classe 600<\/span><\/td>\n<td><span data-path-to-node=\"34,3,1,0\">PN100<\/span><\/td>\n<td><span data-path-to-node=\"34,3,2,0\">30 mil 40 mil<\/span><\/td>\n<td><span data-path-to-node=\"34,3,3,0\">Conduta de alta press\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"34,4,0,0\">Classe 900<\/span><\/td>\n<td><span data-path-to-node=\"34,4,1,0\">PN160<\/span><\/td>\n<td><\/td>\n<td><span data-path-to-node=\"34,4,3,0\">Pro alodedieicteer svd naesgade<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"34,5,0,0\">Classe 1500<\/span><\/td>\n<td><span data-path-to-node=\"34,5,1,0\">PN250<\/span><\/td>\n<td><\/td>\n<td><span data-path-to-node=\"34,5,3,0\">Condi\u00e7\u00f5es de funcionamento exigentes<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"34,6,0,0\">Classe 2500<\/span><\/td>\n<td><span data-path-to-node=\"34,6,1,0\">PN420<\/span><\/td>\n<td><\/td>\n<td><span data-path-to-node=\"34,6,3,0\">Press\u00e3o extrema<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"35\">A palavra \u00abaproximado\u00bb nessa tabela \u00e9 determinante. A Classe 300 n\u00e3o \u00e9 equivalente \u00e0 PN50, uma vez que as temperaturas de refer\u00eancia da rela\u00e7\u00e3o press\u00e3o-temperatura s\u00e3o diferentes (as classifica\u00e7\u00f5es ANSI referem-se ao desempenho dos materiais a temperaturas mais elevadas; as classifica\u00e7\u00f5es PN utilizam uma temperatura de refer\u00eancia mais baixa). Uma v\u00e1lvula classificada como Classe 300 pode ter uma press\u00e3o m\u00e1xima admiss\u00edvel de 51,1 bar a 38 \u00b0C em a\u00e7o ao carbono, enquanto uma v\u00e1lvula PN50 tem uma classifica\u00e7\u00e3o de 50 bar \u00e0 temperatura ambiente. S\u00e3o valores pr\u00f3ximos, mas n\u00e3o s\u00e3o intercambi\u00e1veis e, a temperaturas elevadas, a diferen\u00e7a aumenta.<\/p>\n<p data-path-to-node=\"36\">A pr\u00f3pria conven\u00e7\u00e3o de nomenclatura \u00e9 enganadora. A classe 300 n\u00e3o significa que a v\u00e1lvula resista a 300 psi; trata-se de uma designa\u00e7\u00e3o, n\u00e3o de um valor de press\u00e3o. A press\u00e3o admiss\u00edvel real \u00e9 determinada pela tabela de press\u00e3o-temperatura da norma ASME B16.34 para o grupo de materiais espec\u00edfico.<\/p>\n<blockquote data-path-to-node=\"37\">\n<p data-path-to-node=\"37,0\"><b data-path-to-node=\"37,0\" data-index-in-node=\"0\">Aviso:<\/b> Os n\u00fameros de classe correspondem a designa\u00e7\u00f5es, n\u00e3o a valores de press\u00e3o. Verifique sempre a tabela de press\u00e3o-temperatura da norma B16.34 para o seu grupo de materiais antes de assumir um valor nominal de press\u00e3o.<\/p>\n<\/blockquote>\n<h3 data-path-to-node=\"38\">Normas relativas \u00e0s flanges e dimens\u00f5es de face a face<\/h3>\n<p data-path-to-node=\"39\">A pergunta mais pr\u00e1tica que os engenheiros fazem: \u00abA minha tubagem \u00e9 DIN. Posso aparafusar uma v\u00e1lvula ANSI?\u00bb<\/p>\n<p data-path-to-node=\"40\">A resposta curta \u00e9, normalmente, n\u00e3o. Os tr\u00eas sistemas utilizam di\u00e2metros de c\u00edrculo de parafusos diferentes, n\u00fameros diferentes de parafusos e geometrias diferentes das faces de veda\u00e7\u00e3o. Uma flange ANSI Classe 150 n\u00e3o \u00e9 compat\u00edvel com uma flange DIN PN16, e nenhuma delas \u00e9 compat\u00edvel com uma flange JIS 10K, mesmo que o di\u00e2metro nominal do tubo seja o mesmo.<\/p>\n<table data-path-to-node=\"41\">\n<thead>\n<tr>\n<td><strong>Sistema<\/strong><\/td>\n<td><strong>Padr\u00e3o de flange<\/strong><\/td>\n<td><strong>Padr\u00e3o Presencial<\/strong><\/td>\n<td><strong>O padr\u00e3o de parafusos \u00e9 intercambi\u00e1vel?<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"41,1,0,0\">ANSI\/ASME<\/span><\/td>\n<td><span data-path-to-node=\"41,1,1,0\">ASME B16.5 (d NPS 24), B16.47 (&gt; NPS 24)<\/span><\/td>\n<td><span data-path-to-node=\"41,1,2,0\">ASME B16.10<\/span><\/td>\n<td><span data-path-to-node=\"41,1,3,0\">N\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"41,2,0,0\">DIN\/EN<\/span><\/td>\n<td><span data-path-to-node=\"41,2,1,0\">EN 1092-1<\/span><\/td>\n<td><span data-path-to-node=\"41,2,2,0\">EN 558-1 (PN), EN 558-2 (Class)<\/span><\/td>\n<td><span data-path-to-node=\"41,2,3,0\">N\u00e3o (exceto flanges da classe EN 558-2 = ASME B16.10)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"41,3,0,0\">JIS<\/span><\/td>\n<td><span data-path-to-node=\"41,3,1,0\">JIS B2220<\/span><\/td>\n<td><span data-path-to-node=\"41,3,2,0\">JIS B2002<\/span><\/td>\n<td><span data-path-to-node=\"41,3,3,0\">N\u00e3o<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"42\">H\u00e1 uma exce\u00e7\u00e3o importante: a norma EN 558-2 define as dimens\u00f5es face a face para flanges com designa\u00e7\u00e3o de classe, e essas dimens\u00f5es s\u00e3o id\u00eanticas \u00e0s da norma ASME B16.10. Por outras palavras, embora os padr\u00f5es de aparafusamento das flanges sejam diferentes, o comprimento total das v\u00e1lvulas classificadas por classe est\u00e1 harmonizado entre as normas ASME e as normas europeias. Isto significa que uma v\u00e1lvula de gaveta de Classe 150 de um fabricante americano e outra de um fabricante europeu ter\u00e3o a mesma dimens\u00e3o face a face, cabendo fisicamente no mesmo espa\u00e7o da tubagem, mesmo que as pr\u00f3prias flanges necessitem de adaptadores.<\/p>\n<blockquote data-path-to-node=\"43\">\n<p data-path-to-node=\"43,0\"><b data-path-to-node=\"43,0\" data-index-in-node=\"0\">A exce\u00e7\u00e3o:<\/b> Dimens\u00f5es \u00abface a face\u00bb da flange da norma EN 558-2, Classe = ASME B16.10. A sua v\u00e1lvula de gaveta Classe 150 ir\u00e1 encaixar na abertura da tubagem, independentemente de ter sido fabricada de acordo com as normas americanas ou europeias.<\/p>\n<\/blockquote>\n<h3 data-path-to-node=\"44\">Designa\u00e7\u00f5es dos materiais e filosofia de conce\u00e7\u00e3o<\/h3>\n<p data-path-to-node=\"45\">Os tr\u00eas sistemas designam os seus materiais de forma diferente, mesmo quando se referem a ligas praticamente id\u00eanticas. Uma especifica\u00e7\u00e3o de aquisi\u00e7\u00e3o que confunda as designa\u00e7\u00f5es de materiais da ASTM e da EN pode resultar na entrega do material errado, e a diferen\u00e7a entre o A216 WCC e o 1.0619 pode ser subtil no papel, mas catastr\u00f3fica em condi\u00e7\u00f5es de utiliza\u00e7\u00e3o.<\/p>\n<table data-path-to-node=\"46\">\n<thead>\n<tr>\n<td><strong>Tipo de material<\/strong><\/td>\n<td><strong>ASTM (ANSI)<\/strong><\/td>\n<td><strong>EN (DIN)<\/strong><\/td>\n<td><strong>JIS<\/strong><\/td>\n<td><strong>Aplica\u00e7\u00e3o t\u00edpica de uma v\u00e1lvula<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"46,1,0,0\">Funda\u00e7\u00e3o de a\u00e7o ao carbono<\/span><\/td>\n<td><span data-path-to-node=\"46,1,1,0\">A216 WCC<\/span><\/td>\n<td><span data-path-to-node=\"46,1,2,0\">um ponto zero seis dezenove (GP240GH)<\/span><\/td>\n<td><span data-path-to-node=\"46,1,3,0\">SCPH2<\/span><\/td>\n<td><span data-path-to-node=\"46,1,4,0\">Corpos de v\u00e1lvula de uso geral, Classe 150-600<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"46,2,0,0\">Pe\u00e7a fundida em a\u00e7o inoxid\u00e1vel 316<\/span><\/td>\n<td><span data-path-to-node=\"46,2,1,0\">A351 CF8M<\/span><\/td>\n<td><span data-path-to-node=\"46,2,2,0\">1.4408 (GX5CrNiMo19-11)<\/span><\/td>\n<td><span data-path-to-node=\"46,2,3,0\">SCS14<\/span><\/td>\n<td><span data-path-to-node=\"46,2,4,0\">Utiliza\u00e7\u00e3o de produtos qu\u00edmicos corrosivos<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"46,3,0,0\">Forja de a\u00e7o inoxid\u00e1vel 316L<\/span><\/td>\n<td><span data-path-to-node=\"46,3,1,0\">A182 F316L<\/span><\/td>\n<td><span data-path-to-node=\"46,3,2,0\">1.4404 (X2CrNiMo17-12-2)<\/span><\/td>\n<td><span data-path-to-node=\"46,3,3,0\">SUSF316L<\/span><\/td>\n<td><span data-path-to-node=\"46,3,4,0\">Variante com baixas emiss\u00f5es de carbono para componentes de v\u00e1lvulas soldados<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"46,4,0,0\">Forja de a\u00e7o ao carbono<\/span><\/td>\n<td><span data-path-to-node=\"46,4,1,0\">A105<\/span><\/td>\n<td><span data-path-to-node=\"46,4,2,0\">1,0460 (C22.8)<\/span><\/td>\n<td><span data-path-to-node=\"46,4,3,0\">Pequeno, \u00e9s um cobarde<\/span><\/td>\n<td><span data-path-to-node=\"46,4,4,0\">Corpos e tampas de v\u00e1lvulas de pequeno di\u00e2metro<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"47\">Para al\u00e9m das diferen\u00e7as de nomenclatura, as filosofias de conce\u00e7\u00e3o divergem: as normas ANSI d\u00e3o prioridade \u00e0 utiliza\u00e7\u00e3o em aplica\u00e7\u00f5es de petr\u00f3leo e g\u00e1s a alta press\u00e3o e alta temperatura; as normas DIN colocam \u00eanfase na engenharia de precis\u00e3o e na compatibilidade com os sistemas europeus; as normas JIS tendem para uma ampla aplicabilidade, com \u00eanfase na resist\u00eancia \u00e0 corros\u00e3o em ambientes mar\u00edtimos. Estas diferen\u00e7as filos\u00f3ficas determinam tudo, desde as escolhas de materiais por predefini\u00e7\u00e3o at\u00e9 \u00e0s toler\u00e2ncias de fabrico aceit\u00e1veis.<\/p>\n<blockquote data-path-to-node=\"48\">\n<p data-path-to-node=\"48,0\"><b data-path-to-node=\"48,0\" data-index-in-node=\"0\">Filosofias de design:<\/b><\/p>\n<ul data-path-to-node=\"48,1\">\n<li>\n<p data-path-to-node=\"48,1,0,0\"><b data-path-to-node=\"48,1,0,0\" data-index-in-node=\"0\">ANSI \u00b7 Am\u00e9ricas:<\/b> Servi\u00e7os de petr\u00f3leo e g\u00e1s em condi\u00e7\u00f5es de alta press\u00e3o e alta temperatura como prioridade de conce\u00e7\u00e3o<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"48,1,1,0\"><b data-path-to-node=\"48,1,1,0\" data-index-in-node=\"0\">DIN \u00b7 Europa:<\/b> Foco na engenharia de precis\u00e3o e na compatibilidade com os sistemas europeus<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"48,1,2,0\"><b data-path-to-node=\"48,1,2,0\" data-index-in-node=\"0\">JIS \u00b7 \u00c1sia:<\/b> Ampla aplicabilidade, com \u00eanfase na resist\u00eancia \u00e0 corros\u00e3o em ambientes marinhos<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<h2 data-path-to-node=\"50\">Testes, certifica\u00e7\u00e3o e a lista de verifica\u00e7\u00e3o para a aquisi\u00e7\u00e3o<\/h2>\n<p data-path-to-node=\"51\">Saber quais s\u00e3o as normas existentes \u00e9 apenas metade do valor. A outra metade consiste em saber como verificar se uma v\u00e1lvula cumpre efetivamente essas normas. Esta sec\u00e7\u00e3o traduz o conhecimento das normas num quadro pr\u00e1tico de verifica\u00e7\u00e3o para a aquisi\u00e7\u00e3o.<\/p>\n<h3 data-path-to-node=\"52\">Resumo das normas fundamentais de ensaio<\/h3>\n<table data-path-to-node=\"53\">\n<thead>\n<tr>\n<td><strong>Norma de ensaio<\/strong><\/td>\n<td><strong>Tipo de teste<\/strong><\/td>\n<td><strong>Crit\u00e9rios-chave de aceita\u00e7\u00e3o<\/strong><\/td>\n<td><strong>Quando o especificar<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"53,1,0,0\">API 598<\/span><\/td>\n<td><span data-path-to-node=\"53,1,1,0\">Teste da concha, teste do banco, teste do banco traseiro<\/span><\/td>\n<td><span data-path-to-node=\"53,1,2,0\">Carcassa: 1,5\u00d7 a press\u00e3o m\u00e1xima admiss\u00edvel; Sede: 1,1\u00d7 a press\u00e3o m\u00e1xima admiss\u00edvel<\/span><\/td>\n<td><span data-path-to-node=\"53,1,3,0\">Todas as encomendas de v\u00e1lvulas seguem o padr\u00e3o do setor<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"53,2,0,0\">Norma Internacional<\/span><\/td>\n<td><span data-path-to-node=\"53,2,1,0\">Resist\u00eancia da carca\u00e7a, fuga no assento<\/span><\/td>\n<td><span data-path-to-node=\"53,2,2,0\">Da Classe A (sem fugas vis\u00edveis) \u00e0 Classe G (fuga admiss\u00edvel por DN)<\/span><\/td>\n<td><span data-path-to-node=\"53,2,3,0\">Projetos europeus; cada vez mais utilizados em conjunto com a norma API 598<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"53,3,0,0\">MSS SP-61<\/span><\/td>\n<td><span data-path-to-node=\"53,3,1,0\">Ensaios da carca\u00e7a e do assento<\/span><\/td>\n<td><span data-path-to-node=\"53,3,2,0\">Semelhante \u00e0 API 598, frequentemente utilizada em v\u00e1lvulas n\u00e3o API<\/span><\/td>\n<td><span data-path-to-node=\"53,3,3,0\">Servi\u00e7os de abastecimento de \u00e1gua e servi\u00e7os industriais em geral<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"53,4,0,0\">FCI 70-2<\/span><\/td>\n<td><span data-path-to-node=\"53,4,1,0\">Fuga na sede da v\u00e1lvula de controlo<\/span><\/td>\n<td><span data-path-to-node=\"53,4,2,0\">Classe I (n\u00e3o \u00e9 necess\u00e1rio realizar ensaios) at\u00e9 \u00e0 Classe VI (fuga praticamente nula)<\/span><\/td>\n<td><span data-path-to-node=\"53,4,3,0\">Qualquer compra que envolva v\u00e1lvulas de controlo ou v\u00e1lvulas moduladoras automatizadas<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"53,5,0,0\">ISO 15848-1<\/span><\/td>\n<td><span data-path-to-node=\"53,5,1,0\">Emiss\u00f5es fugitivas (eixo + vedantes da carro\u00e7aria)<\/span><\/td>\n<td><span data-path-to-node=\"53,5,2,0\">Classe de estanqueidade A\/B\/C \u00d7 Classe de temperatura \u00d7 Classe de resist\u00eancia<\/span><\/td>\n<td><span data-path-to-node=\"53,5,3,0\">Conformidade ambiental, servi\u00e7os relacionados com COV e qualquer projeto com requisitos de monitoriza\u00e7\u00e3o de emiss\u00f5es<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"54\">Uma especifica\u00e7\u00e3o de aquisi\u00e7\u00e3o de v\u00e1lvulas devidamente redigida deve fazer refer\u00eancia, no m\u00ednimo, a: uma norma de conce\u00e7\u00e3o (que indica ao fabricante como a construir), uma norma de inspe\u00e7\u00e3o (que indica ao inspetor como a verificar), uma norma de flanges (que garante que se adapta \u00e0 tubagem) e uma especifica\u00e7\u00e3o de materiais (que define de que \u00e9 feita). A aus\u00eancia de qualquer uma destas quatro normas significa que o inspetor n\u00e3o disp\u00f5e de uma base completa para a aceita\u00e7\u00e3o ou rejei\u00e7\u00e3o.<\/p>\n<blockquote data-path-to-node=\"55\">\n<p data-path-to-node=\"55,0\"><b data-path-to-node=\"55,0\" data-index-in-node=\"0\">A lista de verifica\u00e7\u00e3o de 4 pontos:<\/b><\/p>\n<ul data-path-to-node=\"55,1\">\n<li>\n<p data-path-to-node=\"55,1,0,0\"><b data-path-to-node=\"55,1,0,0\" data-index-in-node=\"0\">1 norma de conce\u00e7\u00e3o<\/b> (como constru\u00ed-lo)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"55,1,1,0\"><b data-path-to-node=\"55,1,1,0\" data-index-in-node=\"0\">1 norma de inspe\u00e7\u00e3o<\/b> (como verificar isso)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"55,1,2,0\"><b data-path-to-node=\"55,1,2,0\" data-index-in-node=\"0\">1 flange padr\u00e3o<\/b> (ser\u00e1 que cabe?)<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"55,1,3,0\"><b data-path-to-node=\"55,1,3,0\" data-index-in-node=\"0\">1 especifica\u00e7\u00e3o do material<\/b> (de que \u00e9 feito)<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<h3 data-path-to-node=\"56\">Percursos comuns de certifica\u00e7\u00e3o<\/h3>\n<table data-path-to-node=\"57\">\n<thead>\n<tr>\n<td><strong>Certifica\u00e7\u00e3o<\/strong><\/td>\n<td><strong>Regi\u00e3o \/ \u00c2mbito<\/strong><\/td>\n<td><strong>O que verifica<\/strong><\/td>\n<td><strong>Requisitos t\u00edpicos<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"57,1,0,0\">Marca\u00e7\u00e3o CE (PED 2014\/68\/UE)<\/span><\/td>\n<td><span data-path-to-node=\"57,1,1,0\">Uni\u00e3o Europeia<\/span><\/td>\n<td><span data-path-to-node=\"57,1,2,0\">Seguran\u00e7a dos equipamentos sob press\u00e3o<\/span><\/td>\n<td><span data-path-to-node=\"57,1,3,0\">Concep\u00e7\u00e3o de acordo com uma norma harmonizada + avalia\u00e7\u00e3o por um organismo notificado para a Categoria II+<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"57,2,0,0\">ATEX (2014\/34\/UE)<\/span><\/td>\n<td><span data-path-to-node=\"57,2,1,0\">Atmosferas explosivas na UE<\/span><\/td>\n<td><span data-path-to-node=\"57,2,2,0\">Seguran\u00e7a dos equipamentos em ambientes potencialmente explosivos<\/span><\/td>\n<td><span data-path-to-node=\"57,2,3,0\">Avalia\u00e7\u00e3o do risco de igni\u00e7\u00e3o, conformidade com a norma EN 13463 \/ s\u00e9rie IEC 60079<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"57,3,0,0\">SIL (IEC 61508)<\/span><\/td>\n<td><span data-path-to-node=\"57,3,1,0\">Seguran\u00e7a funcional global<\/span><\/td>\n<td><span data-path-to-node=\"57,3,2,0\">N\u00edvel de integridade de seguran\u00e7a para fun\u00e7\u00f5es das v\u00e1lvulas relacionadas com a seguran\u00e7a<\/span><\/td>\n<td><span data-path-to-node=\"57,3,3,0\">Avalia\u00e7\u00e3o independente das taxas de falha e da cobertura de diagn\u00f3stico<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"57,4,0,0\">NAC1S\/5R M701 5OEI  156<\/span><\/td>\n<td><span data-path-to-node=\"57,4,1,0\">Servi\u00e7o global de sour<\/span><\/td>\n<td><span data-path-to-node=\"57,4,2,0\">Resist\u00eancia dos materiais \u00e0 fissura\u00e7\u00e3o por tens\u00e3o induzida por sulfuretos em ambientes que cont\u00eam H\u2082S<\/span><\/td>\n<td><span data-path-to-node=\"57,4,3,0\">Limites de dureza dos materiais, requisitos de tratamento t\u00e9rmico, documenta\u00e7\u00e3o de conformidade<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"58\">Ao analisar a p\u00e1gina de certifica\u00e7\u00f5es de um fabricante, procure uma cobertura multirregional e multisectorial, pois isso indica uma gest\u00e3o de qualidade aprofundada, que vai al\u00e9m de um simples cumprimento de requisitos regulamentares. A VINCER, por exemplo, possui certifica\u00e7\u00f5es CE, ISO 9001:2015, FDA, RoHS e SIL, abrangendo requisitos de seguran\u00e7a europeus, normas sanit\u00e1rias americanas e seguran\u00e7a funcional global a partir de uma \u00fanica fonte de fabrico. Esta amplitude reduz a carga de verifica\u00e7\u00e3o para as equipas de aquisi\u00e7\u00f5es que gerem projetos em v\u00e1rias jurisdi\u00e7\u00f5es regulamentares.<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-22678\" src=\"https:\/\/www.vincervalve.com\/wp-content\/uploads\/2026\/07\/Valve-Standards-2.webp\" alt=\"Normas-relativas-\u00e0s-v\u00e1lvulas-2\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.vincervalve.com\/wp-content\/uploads\/2026\/07\/Valve-Standards-2.webp 1024w, https:\/\/www.vincervalve.com\/wp-content\/uploads\/2026\/07\/Valve-Standards-2-768x576.webp 768w, https:\/\/www.vincervalve.com\/wp-content\/uploads\/2026\/07\/Valve-Standards-2-16x12.webp 16w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2 data-path-to-node=\"60\">Resumo das normas relativas \u00e0s v\u00e1lvulas: Refer\u00eancia r\u00e1pida por setor<\/h2>\n<p data-path-to-node=\"61\">Se houver algo que deva reter deste guia, que seja esta tabela. Ela estabelece uma correspond\u00eancia entre sete setores principais e as normas mais importantes \u2014 aquelas que deve verificar em primeiro lugar ao iniciar um novo projeto ou ao analisar as especifica\u00e7\u00f5es de uma v\u00e1lvula.<\/p>\n<table data-path-to-node=\"62\">\n<thead>\n<tr>\n<td><strong>Ind\u00fastria<\/strong><\/td>\n<td><strong>Normas de conce\u00e7\u00e3o fundamentais<\/strong><\/td>\n<td><strong>Norma de ensaio de n\u00facleos<\/strong><\/td>\n<td><strong>Requisitos Especiais<\/strong><\/td>\n<td><strong>Tipos de v\u00e1lvulas mais comuns<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"62,1,0,0\">Petr\u00f3leo e g\u00e1s<\/span><\/td>\n<td><span data-path-to-node=\"62,1,1,0\">API 6D, API 600, API 608<\/span><\/td>\n<td><span data-path-to-node=\"62,1,2,0\">API 598<\/span><\/td>\n<td><span data-path-to-node=\"62,1,3,0\">NACE MR0175 (servi\u00e7o com fluidos \u00e1cidos), API 607 (resist\u00eancia ao fogo)<\/span><\/td>\n<td><span data-path-to-node=\"62,1,4,0\">V\u00e1lvulas de esfera, de comporte, de reten\u00e7\u00e3o e de tamp\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"62,2,0,0\">Processamento qu\u00edmico<\/span><\/td>\n<td><span data-path-to-node=\"62,2,1,0\">ASME B16.34, API 600\/609<\/span><\/td>\n<td><span data-path-to-node=\"62,2,2,0\">API 598, ISO 15848-1<\/span><\/td>\n<td><span data-path-to-node=\"62,2,3,0\">NACE MR0175 (meios \u00e1cidos), revestido a PTFE\/PFA para produtos qu\u00edmicos agressivos<\/span><\/td>\n<td><span data-path-to-node=\"62,2,4,0\">V\u00e1lvulas de esfera, de borboleta, de globo e de tamp\u00e3o<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"62,3,0,0\">\u00c1gua e \u00e1guas residuais<\/span><\/td>\n<td><span data-path-to-node=\"62,3,1,0\">AWWA C500 (v\u00e1lvula de guilhotina), AWWA C504 (v\u00e1lvula borboleta)<\/span><\/td>\n<td><span data-path-to-node=\"62,3,2,0\">ISO 5208, MSS SP-61<\/span><\/td>\n<td><span data-path-to-node=\"62,3,3,0\">NSF\/ANSI 61 (contacto com \u00e1gua pot\u00e1vel), revestimentos resistentes \u00e0 corros\u00e3o<\/span><\/td>\n<td><span data-path-to-node=\"62,3,4,0\">V\u00e1lvulas de guilhotina, de borboleta, de reten\u00e7\u00e3o e de l\u00e2mina<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"62,4,0,0\">HVAC<\/span><\/td>\n<td><span data-path-to-node=\"62,4,1,0\">ASME B16.34, MSS SP-67 (v\u00e1lvula borboleta)<\/span><\/td>\n<td><span data-path-to-node=\"62,4,2,0\">API 598, FCI 70-2 (controlo)<\/span><\/td>\n<td><span data-path-to-node=\"62,4,3,0\">Classifica\u00e7\u00e3o de sedes de baixo fuga para efici\u00eancia energ\u00e9tica<\/span><\/td>\n<td><span data-path-to-node=\"62,4,4,0\">V\u00e1lvulas borboleta, v\u00e1lvulas de controlo esf\u00e9ricas, v\u00e1lvulas de esfera<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"62,5,0,0\">Produ\u00e7\u00e3o de energia<\/span><\/td>\n<td><span data-path-to-node=\"62,5,1,0\">ASME B16.34, ASME B31.1 (tubagens de energia)<\/span><\/td>\n<td><span data-path-to-node=\"62,5,2,0\">API 598<\/span><\/td>\n<td><span data-path-to-node=\"62,5,3,0\">Ligas resistentes a altas temperaturas para vapor sobreaquecido, requisitos de ensaios n\u00e3o destrutivos<\/span><\/td>\n<td><span data-path-to-node=\"62,5,4,0\">V\u00e1lvulas de gaveta, esf\u00e9ricas, de reten\u00e7\u00e3o e de controlo<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"62,6,0,0\">Crico  ap\/r gxim\u00e9ainateBeotura<\/span><\/td>\n<td><span data-path-to-node=\"62,6,1,0\">BS 6364, MSS SP-134<\/span><\/td>\n<td><span data-path-to-node=\"62,6,2,0\">API 598 com extens\u00e3o criog\u00e9nica<\/span><\/td>\n<td><span data-path-to-node=\"62,6,3,0\">Cap\u00f4 alargado para instala\u00e7\u00e3o em c\u00e2mara fria, desengordurado para utiliza\u00e7\u00e3o com oxig\u00e9nio<\/span><\/td>\n<td><span data-path-to-node=\"62,6,4,0\">V\u00e1l saso dldlpeoe retuoe,  tcameebreel,r fa g dovbobo<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"62,7,0,0\">Alimenta\u00e7\u00e3o e bebidas<\/span><\/td>\n<td><span data-path-to-node=\"62,7,1,0\">Normas Sanit\u00e1rias 3-A, ASME BPE<\/span><\/td>\n<td><span data-path-to-node=\"62,7,2,0\">Conformidade com o regulamento 21 CFR da FDA<\/span><\/td>\n<td><span data-path-to-node=\"62,7,3,0\">Juntas de qualidade alimentar (EPDM, silicone), design sem fendas, compatibilidade com CIP\/SIP<\/span><\/td>\n<td><span data-path-to-node=\"62,7,4,0\">V\u00e1lvulas de esfera, de borboleta e de diafragma<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-path-to-node=\"63\">O panorama das normas muda lentamente \u2014 os comit\u00e9s de normaliza\u00e7\u00e3o trabalham em anos, n\u00e3o em meses \u2014, mas muda mesmo assim. S\u00f3 em 2025, a norma ASME B16.34 recebeu uma nova edi\u00e7\u00e3o (maio), as normas ISO 14313 e ISO 14723 publicaram ambas a sua terceira edi\u00e7\u00e3o (junho) e a norma API 6D recebeu o seu terceiro aditamento. \u00c9 importante manter-se atualizado, especialmente no caso de projetos que especifiquem v\u00e1lvulas de acordo com as edi\u00e7\u00f5es mais recentes das normas.<\/p>\n<blockquote data-path-to-node=\"64\">\n<p data-path-to-node=\"64,0\"><b data-path-to-node=\"64,0\" data-index-in-node=\"0\">Atualiza\u00e7\u00f5es recentes:<\/b><\/p>\n<ul data-path-to-node=\"64,1\">\n<li>\n<p data-path-to-node=\"64,1,0,0\"><b data-path-to-node=\"64,1,0,0\" data-index-in-node=\"0\">Maio de 2025:<\/b> ASME B16.34 \u2013 Nova edi\u00e7\u00e3o<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"64,1,1,0\"><b data-path-to-node=\"64,1,1,0\" data-index-in-node=\"0\">Junho de 2025:<\/b> ISO 14313 e 14723 \u2013 3.\u00aa edi\u00e7\u00e3o publicada<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"64,1,2,0\"><b data-path-to-node=\"64,1,2,0\" data-index-in-node=\"0\">2025:<\/b> API 6D \u2013 Adenda 3<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<h2 data-path-to-node=\"66\">Refer\u00eancias<\/h2>\n<ol start=\"1\" data-path-to-node=\"67\">\n<li>\n<p data-path-to-node=\"67,0,0\">Instituto Americano do Petr\u00f3leo. \u00abEspecifica\u00e7\u00e3o API 6D para v\u00e1lvulas.\u00bb 25.\u00aa edi\u00e7\u00e3o, 2021.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"67,1,0\">Instituto Americano do Petr\u00f3leo. \u00abAPI 598 \u2014 Inspe\u00e7\u00e3o e ensaio de v\u00e1lvulas\u00bb. 10.\u00aa edi\u00e7\u00e3o, 2016 (reafirmada em 2021).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"67,2,0\">ASME. \u00abASME B16.34 V\u00e1lvulas com extremidades flangeadas, roscadas e soldadas\u00bb. Edi\u00e7\u00e3o de 2025.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"67,3,0\">Organiza\u00e7\u00e3o Internacional de Normaliza\u00e7\u00e3o. \u00abISO 14313:2025 Sistemas de transporte por condutas \u2014 V\u00e1lvulas para condutas\u00bb. 3.\u00aa edi\u00e7\u00e3o, junho de 2025.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"67,4,0\">Organiza\u00e7\u00e3o Internacional de Normaliza\u00e7\u00e3o. \u00abISO 14723:2025 V\u00e1lvulas para condutas submarinas.\u00bb 3.\u00aa edi\u00e7\u00e3o, 2025.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"67,5,0\">Valve World Americas. \u00abO m\u00ednimo que deve saber sobre as normas da Valve.\u00bb<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"67,6,0\">Revista Valve. \u00abJogar o Jogo dos Padr\u00f5es da Valve.\u00bb<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"67,7,0\">VINCER Valve. \u00abCertifica\u00e7\u00f5es.\u00bb<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"67,8,0\">VINCER Valve. \u00abP\u00e1gina inicial.\u00bb<\/p>\n<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Se alguma vez abriu uma especifica\u00e7\u00e3o de aquisi\u00e7\u00e3o de v\u00e1lvulas e se sentiu perdido num mar de letras e n\u00fameros \u2014 API 6D, ASME B16.34, ISO 14313, EN 558, JIS B2071 \u2014, ent\u00e3o [\u2026]<\/p>","protected":false},"author":1,"featured_media":22677,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-22685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Valve Standards: A Guide to International Compliance<\/title>\n<meta name=\"description\" content=\"Understanding valve standards is critical for industrial success. 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