{"id":23060,"date":"2025-07-09T09:49:47","date_gmt":"2025-07-09T01:49:47","guid":{"rendered":"https:\/\/ifanplus.com\/?p=23060"},"modified":"2025-07-09T09:49:49","modified_gmt":"2025-07-09T01:49:49","slug":"principais-caracteristicas-e-aplicacoes-comuns-da-valvula-de-gaveta-de-tubulacao","status":"publish","type":"post","link":"https:\/\/ifanplus.com\/pt\/conhecimento\/principais-caracteristicas-e-aplicacoes-comuns-da-valvula-de-gaveta-de-tubulacao\/","title":{"rendered":"V\u00e1lvula de gaveta para tubula\u00e7\u00e3o: principais caracter\u00edsticas e aplica\u00e7\u00f5es comuns"},"content":{"rendered":"<p class=\"wp-block-paragraph\">UM <a href=\"https:\/\/ifanplus.com\/pt\/product-category\/industria-de-latao\/valvula-de-latao\/\">v\u00e1lvula de gaveta de tubula\u00e7\u00e3o<\/a> desempenha um papel vital no controle do fluxo de l\u00edquidos ou gases em diversos sistemas de tubula\u00e7\u00e3o. Seja utilizado em encanamentos residenciais ou em tubula\u00e7\u00f5es industriais de grande porte, ele garante um fechamento confi\u00e1vel e restri\u00e7\u00e3o m\u00ednima do fluxo. Este artigo explora suas principais caracter\u00edsticas, usos pr\u00e1ticos e considera\u00e7\u00f5es de compra, auxiliando engenheiros, instaladores e usu\u00e1rios finais a tomarem decis\u00f5es bem informadas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions-faq\">Perguntas Frequentes (FAQ)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Para que serve uma v\u00e1lvula de gaveta para tubula\u00e7\u00e3o?<\/strong><br>\u00c9 usado principalmente para iniciar ou interromper o fluxo de fluidos em uma tubula\u00e7\u00e3o. Funciona melhor nas posi\u00e7\u00f5es totalmente aberta ou totalmente fechada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Uma v\u00e1lvula de gaveta de tubula\u00e7\u00e3o pode regular o fluxo?<\/strong><br>N\u00e3o. N\u00e3o \u00e9 adequado para estrangulamento. A abertura parcial pode danificar as superf\u00edcies de veda\u00e7\u00e3o e reduzir a vida \u00fatil.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Quais s\u00e3o os materiais comumente usados em v\u00e1lvulas de gaveta?<\/strong><br>Os fabricantes normalmente usam lat\u00e3o, a\u00e7o inoxid\u00e1vel, ferro fundido ou ferro d\u00factil, dependendo da press\u00e3o, temperatura e meio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Onde essas v\u00e1lvulas normalmente s\u00e3o instaladas?<\/strong><br>Eles s\u00e3o usados em sistemas de abastecimento de \u00e1gua, oleodutos e gasodutos, linhas de prote\u00e7\u00e3o contra inc\u00eandio e unidades de processamento industrial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. Quanto tempo dura uma v\u00e1lvula de gaveta para tubula\u00e7\u00e3o?<\/strong><br>Com a sele\u00e7\u00e3o adequada de materiais e manuten\u00e7\u00e3o, ele pode funcionar de forma confi\u00e1vel por muitos anos, muitas vezes excedendo 10\u201315 anos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-definition-and-main-characteristics\">Defini\u00e7\u00e3o e Principais Caracter\u00edsticas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Uma v\u00e1lvula de gaveta para tubula\u00e7\u00e3o \u00e9 uma v\u00e1lvula mec\u00e2nica projetada para bloquear ou permitir o fluxo de fluido atrav\u00e9s de uma tubula\u00e7\u00e3o. Ela consegue isso levantando ou abaixando uma gaveta ou cunha met\u00e1lica dentro do corpo da v\u00e1lvula. O movimento \u00e9 perpendicular ao caminho do fluido, garantindo resist\u00eancia m\u00ednima ao fluxo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-key-characteristics\">Caracter\u00edsticas principais<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Caminho de fluxo direto<\/strong>:Quando aberta, a v\u00e1lvula oferece obstru\u00e7\u00e3o m\u00ednima ao fluxo, reduzindo a queda de press\u00e3o no sistema.<\/li>\n\n\n\n<li><strong>Desligamento Positivo<\/strong>:Uma vez fechado, ele fornece uma veda\u00e7\u00e3o confi\u00e1vel, evitando vazamentos em condi\u00e7\u00f5es de alta press\u00e3o.<\/li>\n\n\n\n<li><strong>Design compacto<\/strong>:Embora alta em compara\u00e7\u00e3o com outras v\u00e1lvulas, ela requer menos espa\u00e7o ao longo do eixo do tubo.<\/li>\n\n\n\n<li><strong>Ampla compatibilidade<\/strong>: Dispon\u00edvel em diferentes tamanhos e materiais, adapta-se a praticamente qualquer configura\u00e7\u00e3o de tubula\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Opera\u00e7\u00e3o manual ou automatizada<\/strong>: Operado por meio de volantes, caixas de engrenagens ou atuadores el\u00e9tricos, dependendo dos requisitos do sistema.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Este tipo de v\u00e1lvula n\u00e3o \u00e9 ideal para aplica\u00e7\u00f5es que exigem controle r\u00e1pido de abertura\/fechamento ou acionamento frequente. No entanto, \u00e9 excelente em sistemas que exigem uma fun\u00e7\u00e3o de fechamento est\u00e1vel e confi\u00e1vel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-common-applications-and-industries\">Aplica\u00e7\u00f5es e ind\u00fastrias comuns<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A v\u00e1lvula de gaveta para tubula\u00e7\u00e3o \u00e9 amplamente utilizada em v\u00e1rios setores devido \u00e0 sua confiabilidade e versatilidade.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-municipal-water-supply\">Abastecimento Municipal de \u00c1gua<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Em sistemas p\u00fablicos de distribui\u00e7\u00e3o de \u00e1gua, essas v\u00e1lvulas isolam trechos da tubula\u00e7\u00e3o durante reparos ou manuten\u00e7\u00e3o. Seu design de passagem plena garante baixa perda de energia e fluxo desobstru\u00eddo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-oil-and-gas-pipelines\">Oleodutos e Gasodutos<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nos segmentos upstream, midstream e downstream, as v\u00e1lvulas gaveta manuseiam petr\u00f3leo bruto, combust\u00edveis refinados e g\u00e1s natural sob alta press\u00e3o. Sua capacidade de veda\u00e7\u00e3o as torna adequadas para ambientes perigosos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-fire-protection-systems\">Sistemas de prote\u00e7\u00e3o contra inc\u00eandio<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Instalada em redes de inc\u00eandio, uma v\u00e1lvula de gaveta para tubula\u00e7\u00e3o pode isolar zonas durante emerg\u00eancias. Muitas atendem \u00e0s certifica\u00e7\u00f5es e normas de seguran\u00e7a contra inc\u00eandio exigidas pelos c\u00f3digos de constru\u00e7\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-power-plants-and-industrial-facilities\">Usinas de energia e instala\u00e7\u00f5es industriais<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Instala\u00e7\u00f5es t\u00e9rmicas, nucleares e de energia renov\u00e1vel utilizam essas v\u00e1lvulas para controlar vapor, \u00e1gua ou g\u00e1s em alta temperatura. Em ind\u00fastrias de processo, elas auxiliam sistemas de manuseio de produtos qu\u00edmicos e fluidos, onde a interrup\u00e7\u00e3o precisa do fluxo \u00e9 crucial.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-marine-and-offshore-installations\">Instala\u00e7\u00f5es Mar\u00edtimas e Offshore<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e1lvulas de gaveta resistem \u00e0 corros\u00e3o da \u00e1gua salgada e servem em sistemas de admiss\u00e3o de \u00e1gua do mar, controle de lastro e descarga de \u00e1guas residuais em navios e plataformas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-buying-guide-what-to-look-for\">Guia de compras: o que procurar<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ao escolher uma v\u00e1lvula gaveta para tubula\u00e7\u00e3o, v\u00e1rios fatores-chave determinam sua adequa\u00e7\u00e3o para uma determinada aplica\u00e7\u00e3o. Veja o que avaliar:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-material-of-construction\">1. Material de constru\u00e7\u00e3o<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lat\u00e3o<\/strong>: Bom para tubula\u00e7\u00f5es de \u00e1gua residenciais devido \u00e0 sua resist\u00eancia \u00e0 corros\u00e3o.<\/li>\n\n\n\n<li><strong>A\u00e7o inoxid\u00e1vel<\/strong>: Ideal para produtos qu\u00edmicos agressivos ou aplica\u00e7\u00f5es de alta press\u00e3o.<\/li>\n\n\n\n<li><strong>Ferro fundido<\/strong>: Econ\u00f4mico e dur\u00e1vel para uso geral.<\/li>\n\n\n\n<li><strong>Ferro d\u00factil<\/strong>: Mais forte e mais flex\u00edvel que o ferro fundido; adequado para sistemas enterrados.<\/li>\n\n\n\n<li><strong>Bronze<\/strong>: Comum em aplica\u00e7\u00f5es mar\u00edtimas por sua resist\u00eancia \u00e0 corros\u00e3o da \u00e1gua salgada.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Selecione o material com base no tipo de fluido, temperatura operacional, press\u00e3o e potencial de corros\u00e3o ou eros\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-valve-type\">2. Tipo de v\u00e1lvula<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Haste ascendente<\/strong>:A haste se move para cima quando aberta, fornecendo um indicador visual da posi\u00e7\u00e3o da v\u00e1lvula.<\/li>\n\n\n\n<li><strong>Haste n\u00e3o ascendente<\/strong>: Adequado para espa\u00e7os apertados; a haste gira sem alterar o comprimento.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-end-connection\">3. Fim da conex\u00e3o<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Flangeado<\/strong>: Para conex\u00f5es industriais seguras e facilidade de remo\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Rosqueado<\/strong>: Usado em tubula\u00e7\u00f5es menores, especialmente em ambientes residenciais ou comerciais leves.<\/li>\n\n\n\n<li><strong>Soldado<\/strong>: Oferece veda\u00e7\u00e3o e resist\u00eancia permanentes em tubula\u00e7\u00f5es cr\u00edticas.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-size-and-pressure-rating\">4. Tamanho e classifica\u00e7\u00e3o de press\u00e3o<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Confirme a compatibilidade com os tamanhos de tubula\u00e7\u00e3o existentes e as faixas de press\u00e3o operacional. Sempre selecione uma v\u00e1lvula com classifica\u00e7\u00e3o ligeiramente acima da press\u00e3o m\u00e1xima de trabalho do sistema, por quest\u00f5es de seguran\u00e7a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-5-standards-and-certifications\">5. Normas e Certifica\u00e7\u00f5es<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Procure por certifica\u00e7\u00f5es como:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ANSI<\/li>\n\n\n\n<li>API 600<\/li>\n\n\n\n<li>ISO 9001<\/li>\n\n\n\n<li>NSF (para \u00e1gua pot\u00e1vel)<\/li>\n\n\n\n<li>UL\/FM (para prote\u00e7\u00e3o contra inc\u00eandio)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Esses padr\u00f5es garantem qualidade de fabrica\u00e7\u00e3o e confiabilidade de desempenho.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-piping-gate-valve-features-and-applications-in-detail\">V\u00e1lvula de gaveta para tubula\u00e7\u00e3o: caracter\u00edsticas e aplica\u00e7\u00f5es em detalhes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O valor central de uma v\u00e1lvula gaveta para tubula\u00e7\u00e3o reside em sua capacidade de fornecer um fechamento eficiente em diversos cen\u00e1rios. Seu furo desobstru\u00eddo \u00e9 perfeito para opera\u00e7\u00f5es que exigem um caminho de fluxo limpo, sem turbul\u00eancia ou cavita\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na agricultura, essas v\u00e1lvulas auxiliam no gerenciamento de redes de irriga\u00e7\u00e3o. No tratamento de \u00e1guas residuais, controlam linhas de lodo e efluentes. Em edif\u00edcios altos, permitem o isolamento andar por andar durante manuten\u00e7\u00f5es ou paradas de emerg\u00eancia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tamb\u00e9m s\u00e3o adequados para redes de tubula\u00e7\u00e3o subterr\u00e2neas devido \u00e0 sua veda\u00e7\u00e3o robusta e durabilidade. Quando instalados abaixo do solo, os modelos com haste ascendente e hastes de extens\u00e3o proporcionam visibilidade clara e f\u00e1cil opera\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Embora de opera\u00e7\u00e3o lenta em compara\u00e7\u00e3o com as v\u00e1lvulas de esfera, as v\u00e1lvulas de gaveta oferecem uma vantagem distinta quando se trata de controlar grandes volumes de fluido em longas dist\u00e2ncias. Sua confiabilidade a longo prazo e baixa necessidade de manuten\u00e7\u00e3o as tornam as preferidas em instala\u00e7\u00f5es permanentes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-piping-gate-valve-vs-other-valve-types\">V\u00e1lvula de gaveta para tubula\u00e7\u00e3o vs. outros tipos de v\u00e1lvula<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A tabela a seguir compara a v\u00e1lvula de gaveta para tubula\u00e7\u00e3o com outras v\u00e1lvulas comuns para destacar suas vantagens espec\u00edficas:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Recurso<\/th><th>V\u00e1lvula de gaveta para tubula\u00e7\u00e3o<\/th><th>V\u00e1lvula de esfera<\/th><th>V\u00e1lvula globo<\/th><th>V\u00e1lvula borboleta<\/th><\/tr><\/thead><tbody><tr><td>Resist\u00eancia ao fluxo<\/td><td>Baixo<\/td><td>Muito baixo<\/td><td>M\u00e9dio<\/td><td>Baixo<\/td><\/tr><tr><td>Capacidade de desligamento<\/td><td>Alto<\/td><td>Muito alto<\/td><td>Alto<\/td><td>M\u00e9dio<\/td><\/tr><tr><td>Adequa\u00e7\u00e3o de limita\u00e7\u00e3o<\/td><td>Pobre<\/td><td>Pobre<\/td><td>Excelente<\/td><td>Justo<\/td><\/tr><tr><td>Disponibilidade de tamanho<\/td><td>Ampla gama<\/td><td>Moderado<\/td><td>Moderado<\/td><td>Ampla gama<\/td><\/tr><tr><td>Melhor Caso de Uso<\/td><td>Controle liga\/desliga<\/td><td>Desligamento r\u00e1pido<\/td><td>Regula\u00e7\u00e3o de fluxo<\/td><td>Grandes fluxos de tubula\u00e7\u00e3o<\/td><\/tr><tr><td>Espa\u00e7o de instala\u00e7\u00e3o necess\u00e1rio<\/td><td>Mais (vertical)<\/td><td>Compactar<\/td><td>Mais<\/td><td>Compactar<\/td><\/tr><tr><td>Velocidade de opera\u00e7\u00e3o<\/td><td>Lento<\/td><td>R\u00e1pido<\/td><td>Moderado<\/td><td>R\u00e1pido<\/td><\/tr><tr><td>Frequ\u00eancia de manuten\u00e7\u00e3o<\/td><td>Baixo<\/td><td>Baixo<\/td><td>Moderado<\/td><td>Baixo<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Essa compara\u00e7\u00e3o mostra que, embora uma v\u00e1lvula de gaveta de tubula\u00e7\u00e3o possa n\u00e3o ser ideal para estrangulamento, ela permanece incompar\u00e1vel em aplica\u00e7\u00f5es de passagem total e baixa queda de press\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclus\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A v\u00e1lvula gaveta para tubula\u00e7\u00e3o \u00e9 um componente essencial em sistemas de tubula\u00e7\u00e3o industriais e municipais. Ela oferece um m\u00e9todo confi\u00e1vel para interromper ou liberar totalmente o fluxo de fluidos, com interrup\u00e7\u00e3o m\u00ednima e longa vida \u00fatil. A escolha do material, tipo de conex\u00e3o e design corretos garante seguran\u00e7a e efici\u00eancia em todas as aplica\u00e7\u00f5es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Seja para transmiss\u00e3o de \u00f3leo de alta press\u00e3o ou simplesmente para o gerenciamento do abastecimento de \u00e1gua de um edif\u00edcio, a v\u00e1lvula gaveta para tubula\u00e7\u00e3o correta melhorar\u00e1 o desempenho do sistema e reduzir\u00e1 os custos de manuten\u00e7\u00e3o ao longo do tempo. Entender seus pontos fortes e limita\u00e7\u00f5es permite que engenheiros e compradores selecionem a solu\u00e7\u00e3o mais eficaz para suas necessidades espec\u00edficas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-contact-ifan-for-catalogs-and-samples\">Contate o IFAN para cat\u00e1logos e amostras<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Precisa de documentos t\u00e9cnicos, cat\u00e1logos ou amostras de produtos? Entre em contato com a IFAN hoje mesmo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udce7 E-mail:<a href=\"https:\/\/ifanplus.com\/pt\/conhecimento\/trusted-quality-polyvinyl-chloride-pipes\/jack%40ifangroup.com\/\">&nbsp;jack@ifangroup.com<\/a><br>\ud83d\udcf1 Whatsapp:&nbsp;<a href=\"https:\/\/api.whatsapp.com\/send?l=en&amp;phone=8619857948982\">+86 19857948982<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nossa equipe responde rapidamente e fornece suporte profissional para todas as suas necessidades de pipeline.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ifan-international-standard\">Norma internacional IFAN<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Os sistemas de tubula\u00e7\u00e3o da IFAN atendem a uma ampla gama de normas internacionais para garantir alta qualidade e desempenho. Entre elas, est\u00e3o a ASTM F1974 e a ASTM F1281 para sistemas de tubula\u00e7\u00e3o multicamadas, a CSA B137 para aplica\u00e7\u00f5es hidr\u00e1ulicas canadenses, a DIN 16836 para especifica\u00e7\u00f5es t\u00e9cnicas alem\u00e3s, a GB18997 para normas chinesas e a ISO 21003, que abrange sistemas de tubula\u00e7\u00e3o multicamadas utilizados em instala\u00e7\u00f5es de \u00e1gua quente e fria. Este amplo escopo de certifica\u00e7\u00e3o destaca o compromisso da IFAN com a conformidade global e a confiabilidade dos produtos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-\"><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>A piping gate valve plays a vital role in controlling the flow of liquids or gases in various piping systems. Whether used in residential plumbing or large-scale industrial pipelines, it ensures reliable shutoff and minimal flow restriction. This article explores its core features, practical uses, and purchasing considerations, helping engineers, installers, and end-users make well-informed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23061,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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":"","adv-header-id-meta":"","stick-header-meta":"","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":[13],"tags":[275,658,652],"class_list":["post-23060","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-brass-ball-valve","tag-brass-gate-valve","tag-brass-shut-off-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v27.7) - 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