{"id":14816,"date":"2026-03-13T09:00:00","date_gmt":"2026-03-13T01:00:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=14816"},"modified":"2026-03-17T08:54:56","modified_gmt":"2026-03-17T00:54:56","slug":"asme-b16-34-vs-api-600-explained","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/","title":{"rendered":"Normas de projeto de v\u00e1lvulas globo ASME B16.34 vs. API 623"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar \u00edndice de conte\u00fado\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Introduction_to_Pressure_Temperature_Ratings\" >Introdu\u00e7\u00e3o \u00e0s classifica\u00e7\u00f5es de press\u00e3o e temperatura<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Scope_of_ASME_B1634_for_Flanged_and_Welded_Valves\" >Escopo da norma ASME B16.34 para v\u00e1lvulas flangeadas e soldadas<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Key_Areas_Covered_by_ASME_B1634\" >Principais \u00e1reas abordadas pela norma ASME B16.34<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Application_in_Global_Industries\" >Aplica\u00e7\u00e3o em Ind\u00fastrias Globais<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#How_API_Standards_Build_Upon_ASME\" >Como os padr\u00f5es da API se baseiam no ASME<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Additional_Design_Requirements\" >Requisitos adicionais de projeto<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Specific_Requirements_for_Shell_Thickness\" >Requisitos espec\u00edficos para a espessura da casca<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Why_Shell_Thickness_Matters\" >Por que a espessura da casca \u00e9 importante<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Differences_Between_Standards\" >Diferen\u00e7as entre padr\u00f5es<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Role_of_BS_1873_in_Globe_Valve_Design\" >Papel da norma BS 1873 no projeto de v\u00e1lvulas globo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Comparison_of_Major_Valve_Standards\" >Compara\u00e7\u00e3o dos principais padr\u00f5es de v\u00e1lvulas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Practical_Selection_for_Engineering_Projects\" >Sele\u00e7\u00e3o pr\u00e1tica para projetos de engenharia<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/technical-science\/asme-b16-34-vs-api-600-explained\/#Final_Engineering_Perspective\" >Perspectiva final de engenharia<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">A norma ASME B16.34 define os limites de press\u00e3o e temperatura, enquanto a API 623 fornece regras de projeto adicionais para <a href=\"https:\/\/www.xintaivalves.com\/pt\/globe-valve-collection\/\" target=\"_blank\" rel=\"noreferrer noopener\">v\u00e1lvulas globo<\/a> Utilizado em ind\u00fastrias exigentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ambas as normas orientam o projeto de v\u00e1lvulas globo industriais nos seguintes setores:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>usinas de energia<\/li>\n\n\n\n<li>Refinarias e\u00a0<\/li>\n\n\n\n<li>Instala\u00e7\u00f5es qu\u00edmicas.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Os engenheiros costumam consult\u00e1-los em conjunto durante as etapas de especifica\u00e7\u00e3o e aquisi\u00e7\u00e3o.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Compreender as suas diferen\u00e7as ajuda as equipas de projeto a escolher v\u00e1lvulas que cumpram as seguintes necessidades:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seguran\u00e7a<\/li>\n\n\n\n<li>Durabilidade e\u00a0<\/li>\n\n\n\n<li>Requisitos de inspe\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Introduction_to_Pressure_Temperature_Ratings\"><\/span>Introdu\u00e7\u00e3o \u00e0s classifica\u00e7\u00f5es de press\u00e3o e temperatura<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/ansi-flange-pressure-ratings-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">Classifica\u00e7\u00f5es de press\u00e3o e temperatura<\/a> Definem a press\u00e3o m\u00e1xima que uma v\u00e1lvula pode suportar a uma temperatura espec\u00edfica. Esses limites protegem os sistemas de tubula\u00e7\u00e3o contra falhas mec\u00e2nicas durante a opera\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Temperaturas mais elevadas reduzem a resist\u00eancia do material. \u00c0 medida que a temperatura aumenta, a capacidade de suportar press\u00e3o deve diminuir para manter n\u00edveis de tens\u00e3o seguros.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uso de padr\u00f5es de v\u00e1lvulas <a href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/psi-vs-psia-psig\/\" target=\"_blank\" rel=\"noreferrer noopener\">classes de press\u00e3o<\/a> Para simplificar o design. As classes comuns incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>150<\/li>\n\n\n\n<li>300<\/li>\n\n\n\n<li>600<\/li>\n\n\n\n<li>900<\/li>\n\n\n\n<li>1500 e\u00a0<\/li>\n\n\n\n<li>2500.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Cada classe possui uma tabela de press\u00e3o-temperatura correspondente. Essas tabelas mostram as press\u00f5es de trabalho permitidas para diferentes materiais, como... <a href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/what-is-wcb-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">a\u00e7o carbono<\/a> e a\u00e7o inoxid\u00e1vel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os engenheiros se baseiam nessas classifica\u00e7\u00f5es ao projetar sistemas de tubula\u00e7\u00e3o. A v\u00e1lvula selecionada deve ser compat\u00edvel com a classe de press\u00e3o da rede de tubula\u00e7\u00e3o circundante.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A sele\u00e7\u00e3o incorreta da classifica\u00e7\u00e3o de press\u00e3o pode levar a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vazamentos<\/li>\n\n\n\n<li>Deforma\u00e7\u00e3o, ou\u00a0<\/li>\n\n\n\n<li>Danos estruturais.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Por esse motivo, as normas globais definem regras rigorosas para os c\u00e1lculos de classifica\u00e7\u00e3o e o desempenho dos materiais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As classifica\u00e7\u00f5es de press\u00e3o e temperatura constituem a base t\u00e9cnica tanto para as normas de v\u00e1lvulas ASME quanto para as API.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Scope_of_ASME_B1634_for_Flanged_and_Welded_Valves\"><\/span>Escopo da norma ASME B16.34 para v\u00e1lvulas flangeadas e soldadas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A norma ASME B16.34 \u00e9 uma das normas para v\u00e1lvulas mais utilizadas no mundo. Ela se aplica a v\u00e1lvulas flangeadas, roscadas e soldadas usadas em sistemas de tubula\u00e7\u00e3o industrial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A norma define os requisitos m\u00ednimos para v\u00e1lvulas em termos de:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Projeto<\/li>\n\n\n\n<li>Materiais<\/li>\n\n\n\n<li>Classifica\u00e7\u00f5es de press\u00e3o e\u00a0<\/li>\n\n\n\n<li>Espessura da parede.\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Isso garante que as v\u00e1lvulas mantenham a integridade estrutural em condi\u00e7\u00f5es de funcionamento.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Areas_Covered_by_ASME_B1634\"><\/span>Principais \u00e1reas abordadas pela norma ASME B16.34<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A norma ASME B16.34 abrange diversas \u00e1reas importantes de projeto:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tabelas de classifica\u00e7\u00e3o de press\u00e3o e temperatura<\/li>\n\n\n\n<li>Espessura m\u00ednima da parede do corpo<\/li>\n\n\n\n<li>Dimens\u00f5es da conex\u00e3o final<\/li>\n\n\n\n<li>Materiais adequados para servi\u00e7o sob press\u00e3o<\/li>\n\n\n\n<li>Requisitos de marca\u00e7\u00e3o e identifica\u00e7\u00e3o<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Essas diretrizes ajudam os fabricantes a projetar v\u00e1lvulas que atendam a crit\u00e9rios de seguran\u00e7a consistentes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Application_in_Global_Industries\"><\/span>Aplica\u00e7\u00e3o em Ind\u00fastrias Globais<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Muitas v\u00e1lvulas globo industriais usadas em refinarias e usinas de energia seguem a norma ASME B16.34. Essa norma fornece um requisito b\u00e1sico de projeto para componentes que suportam press\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No entanto, a norma ASME B16.34 concentra-se principalmente na constru\u00e7\u00e3o geral de v\u00e1lvulas. Ela nem sempre define requisitos de projeto detalhados para tipos espec\u00edficos de v\u00e1lvulas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por isso, outras normas podem adicionar regras mais espec\u00edficas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_API_Standards_Build_Upon_ASME\"><\/span>Como os padr\u00f5es da API se baseiam no ASME<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As normas da API ampliam os requisitos t\u00e9cnicos para al\u00e9m do projeto geral de v\u00e1lvulas. Elas se concentram em equipamentos espec\u00edficos usados em servi\u00e7os de petr\u00f3leo e petroqu\u00edmica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/api-623-vs-bs-1873\/\" target=\"_blank\" rel=\"noreferrer noopener\">API 623<\/a> \u00c9 um exemplo. Ele fornece regras adicionais para v\u00e1lvulas globo usadas em sistemas de processos cr\u00edticos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A norma API 623 para v\u00e1lvulas globo baseia-se na estrutura de classifica\u00e7\u00e3o de press\u00e3o j\u00e1 definida pela ASME B16.34. Em vez de substituir os requisitos da ASME, ela adiciona controles de projeto mais detalhados.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"483\" height=\"335\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/standards-hierarchy-pyramid-e1773653776569.webp\" alt=\"hierarquia de padr\u00f5es pir\u00e2mide\" class=\"wp-image-14818\" style=\"width:600px\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/standards-hierarchy-pyramid-e1773653776569.webp 483w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/standards-hierarchy-pyramid-e1773653776569-300x208.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/03\/standards-hierarchy-pyramid-e1773653776569-18x12.webp 18w\" sizes=\"(max-width: 483px) 100vw, 483px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Additional_Design_Requirements\"><\/span>Requisitos adicionais de projeto<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Os padr\u00f5es de API geralmente incluem requisitos mais rigorosos, como:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Constru\u00e7\u00e3o da carroceria forjada<\/li>\n\n\n\n<li>Design de haste aprimorado<\/li>\n\n\n\n<li>Requisitos aprimorados de veda\u00e7\u00e3o da sede<\/li>\n\n\n\n<li>Procedimentos detalhados de inspe\u00e7\u00e3o e teste<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Esses acr\u00e9scimos ajudam a garantir uma longa vida \u00fatil em ambientes de processo exigentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Muitas especifica\u00e7\u00f5es de engenharia exigem que as v\u00e1lvulas estejam em conformidade com as normas ASME B16.34 e API. Essa dupla conformidade melhora a seguran\u00e7a em opera\u00e7\u00f5es cr\u00edticas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Specific_Requirements_for_Shell_Thickness\"><\/span>Requisitos espec\u00edficos para a espessura da casca<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A espessura da carca\u00e7a refere-se \u00e0 espessura m\u00ednima da parede do corpo da v\u00e1lvula. Esse par\u00e2metro afeta diretamente a capacidade da v\u00e1lvula de suportar a press\u00e3o interna.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A norma ASME B16.34 fornece f\u00f3rmulas que determinam a espessura m\u00ednima da parede com base na classe de press\u00e3o e na resist\u00eancia do material.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No entanto, as normas da API podem impor requisitos adicionais. Em muitos casos, as regras de projeto da API exigem se\u00e7\u00f5es mais espessas ou limites de tens\u00e3o mais rigorosos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Shell_Thickness_Matters\"><\/span>Por que a espessura da casca \u00e9 importante<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uma espessura adequada da casca previne diversos problemas potenciais:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Deforma\u00e7\u00e3o por press\u00e3o<\/li>\n\n\n\n<li>Forma\u00e7\u00e3o de fissuras<\/li>\n\n\n\n<li>falha por fadiga a longo prazo<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Um corpo de v\u00e1lvula mais espesso tamb\u00e9m melhora a resist\u00eancia ao estresse t\u00e9rmico e \u00e0 vibra\u00e7\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Differences_Between_Standards\"><\/span>Diferen\u00e7as entre padr\u00f5es<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Embora a ASME estabele\u00e7a limites estruturais m\u00ednimos, as normas da API por vezes aplicam valores mais conservadores. Isso garante maior durabilidade em condi\u00e7\u00f5es de servi\u00e7o severas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os engenheiros devem analisar cuidadosamente ambas as normas ao selecionar v\u00e1lvulas para sistemas de alta press\u00e3o ou alta temperatura.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Role_of_BS_1873_in_Globe_Valve_Design\"><\/span>Papel da norma BS 1873 no projeto de v\u00e1lvulas globo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A norma BS 1873 \u00e9 outra especifica\u00e7\u00e3o bem conhecida relacionada a v\u00e1lvulas globo. Historicamente, ela fornecia regras de projeto para v\u00e1lvulas globo de a\u00e7o flangeadas usadas em servi\u00e7os industriais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <a href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/globe-valve\/globe-valve-api-standard\/\" target=\"_blank\" rel=\"noreferrer noopener\">V\u00e1lvula globo BS 1873<\/a> Normalmente segue princ\u00edpios de classifica\u00e7\u00e3o de press\u00e3o semelhantes aos definidos na norma ASME B16.34. No entanto, concentra-se mais na configura\u00e7\u00e3o da v\u00e1lvula e nos requisitos dimensionais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Anteriormente, muitos fabricantes internacionais utilizavam essa norma como refer\u00eancia para a produ\u00e7\u00e3o de v\u00e1lvulas globo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Atualmente, alguns projetos ainda especificam a norma BS 1873 para compatibilidade com equipamentos mais antigos ou padr\u00f5es regionais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Compreender a rela\u00e7\u00e3o entre as normas BS, ASME e API ajuda os engenheiros a avaliar sistemas legados e atualiza\u00e7\u00f5es modernas.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <title>Destaque do produto Hero<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n      font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins';\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #D70C19;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #D70C19;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.xintaivalves.com\/pt\/products\/api-623-globe-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/02\/WCB-J41H-150LB-3inch.jpg\" alt=\"V\u00e1lvula globo de a\u00e7o fundido com flange DIN\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\u2699\ufe0f V\u00e1lvula globo em a\u00e7o fundido API 623<\/div>\n    <div class=\"hero-description\">\u00c9 conhecido por sua durabilidade, resist\u00eancia e capacidade de suportar alta press\u00e3o e temperatura. \u00c9 um componente essencial usado para regular o fluxo de fluidos em diversas aplica\u00e7\u00f5es industriais.<\/div>\n    <span class=\"hero-link\">Explorar produto<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Comparison_of_Major_Valve_Standards\"><\/span>Compara\u00e7\u00e3o dos principais padr\u00f5es de v\u00e1lvulas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A tabela a seguir resume as principais diferen\u00e7as entre os principais padr\u00f5es usados para <a href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/globe-valve\/globe-valve-design-and-materials\/\" target=\"_blank\" rel=\"noreferrer noopener\">projeto de v\u00e1lvula globo<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Par\u00e2metro<\/strong><\/td><td><strong>ASME B16.34<\/strong><\/td><td><strong>API 623<\/strong><\/td><td><strong>BS 1873<\/strong><\/td><\/tr><tr><td>Foco principal<\/td><td>Design para conten\u00e7\u00e3o de press\u00e3o<\/td><td>Design espec\u00edfico para v\u00e1lvula globo<\/td><td>Projeto de v\u00e1lvula globo de a\u00e7o flangeada<\/td><\/tr><tr><td>Classifica\u00e7\u00f5es de press\u00e3o e temperatura<\/td><td>Definido em detalhes<\/td><td>Utiliza classifica\u00e7\u00f5es ASME<\/td><td>Refer\u00eancias a princ\u00edpios semelhantes<\/td><\/tr><tr><td>Constru\u00e7\u00e3o da carroceria<\/td><td>Requisito geral<\/td><td>Constru\u00e7\u00e3o forjada com \u00eanfase<\/td><td>Fundido ou forjado permitido<\/td><\/tr><tr><td>Aplicativo<\/td><td>Categorias amplas de v\u00e1lvulas<\/td><td>Servi\u00e7o de petr\u00f3leo e petroqu\u00edmica<\/td><td>Tubula\u00e7\u00e3o industrial tradicional<\/td><\/tr><tr><td>Rigor do projeto<\/td><td>Regra b\u00e1sica de engenharia<\/td><td>Mais restritivo<\/td><td>Moderado<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Essa compara\u00e7\u00e3o mostra como os padr\u00f5es se complementam em vez de competirem entre si.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Practical_Selection_for_Engineering_Projects\"><\/span>Sele\u00e7\u00e3o pr\u00e1tica para projetos de engenharia<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A escolha da norma de v\u00e1lvula correta depende dos requisitos do sistema. Os engenheiros devem considerar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Press\u00e3o de opera\u00e7\u00e3o<\/li>\n\n\n\n<li>Temperatura<\/li>\n\n\n\n<li>Regulamentos do setor e\u00a0<\/li>\n\n\n\n<li>Fatores de seguran\u00e7a.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Em projetos para instala\u00e7\u00f5es de petr\u00f3leo e g\u00e1s, \u00e9 comum especificar v\u00e1lvulas que atendam aos padr\u00f5es ASME B16.34 e API. Isso garante que o projeto esteja em conformidade com os requisitos estruturais e operacionais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por exemplo, a especifica\u00e7\u00e3o de um projeto pode exigir uma v\u00e1lvula globo API 623 para linhas cr\u00edticas de alta press\u00e3o. Isso garante maior resist\u00eancia mec\u00e2nica e procedimentos de teste rigorosos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Outros servi\u00e7os gerais podem permitir v\u00e1lvulas projetadas apenas de acordo com os requisitos da ASME.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Durante o processo de aquisi\u00e7\u00e3o, os engenheiros tamb\u00e9m devem confirmar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compatibilidade de classe de press\u00e3o<\/li>\n\n\n\n<li>Adequa\u00e7\u00e3o do material para a temperatura de opera\u00e7\u00e3o<\/li>\n\n\n\n<li>Conformidade com as especifica\u00e7\u00f5es do projeto<\/li>\n\n\n\n<li>Documenta\u00e7\u00e3o de testes do fabricante<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Uma an\u00e1lise cuidadosa durante a fase de projeto evita substitui\u00e7\u00f5es dispendiosas posteriormente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Engineering_Perspective\"><\/span>Perspectiva final de engenharia<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A norma ASME B16.34 estabelece a base global para o projeto de v\u00e1lvulas de conten\u00e7\u00e3o de press\u00e3o. As normas API adicionam requisitos espec\u00edficos para aplica\u00e7\u00f5es industriais exigentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Compreender como essas normas interagem ajuda os engenheiros a selecionar v\u00e1lvulas globo industriais que atendam \u00e0s expectativas de seguran\u00e7a e desempenho.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-red-background-color has-text-color has-background has-link-color has-medium-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.xintaivalves.com\/pt\/contact\/\" style=\"font-style:normal;font-weight:500\" target=\"_blank\" rel=\"noreferrer noopener\">Obter cota\u00e7\u00e3o<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>ASME B16.34 defines pressure and temperature limits, while API 623 provides additional design rules for globe valves used in demanding industries. Both standards guide the design of industrial globe valves in the following industries: Engineers often reference them together during specification and procurement.&nbsp; Understanding how they differ helps project teams choose valves that meet: Introduction [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14817,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[306],"tags":[],"class_list":["post-14816","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-science"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts\/14816","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/comments?post=14816"}],"version-history":[{"count":1,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts\/14816\/revisions"}],"predecessor-version":[{"id":14819,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts\/14816\/revisions\/14819"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/media\/14817"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/media?parent=14816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/categories?post=14816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/tags?post=14816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}