{"id":22015,"date":"2025-04-01T10:32:03","date_gmt":"2025-04-01T02:32:03","guid":{"rendered":"https:\/\/ifanplus.com\/?p=22015"},"modified":"2025-12-15T10:51:54","modified_gmt":"2025-12-15T02:51:54","slug":"a-resistencia-a-corrosao-de-conexoes-de-tubulacao-de-cobre","status":"publish","type":"post","link":"https:\/\/ifanplus.com\/pt\/conhecimento\/a-resistencia-a-corrosao-de-conexoes-de-tubulacao-de-cobre\/","title":{"rendered":"A resist\u00eancia \u00e0 corros\u00e3o de conex\u00f5es de cobre para tubos"},"content":{"rendered":"<h4 class=\"wp-block-heading\" id=\"h-introduction\">Introdu\u00e7\u00e3o<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ifanplus.com\/pt\/product-category\/industria-de-latao\/\">Conex\u00f5es de tubula\u00e7\u00e3o de cobre<\/a> s\u00e3o amplamente utilizados em aplica\u00e7\u00f5es de encanamento, aquecimento, refrigera\u00e7\u00e3o e ind\u00fastria devido \u00e0 sua excelente durabilidade e resist\u00eancia \u00e0 corros\u00e3o. Um dos principais motivos pelos quais o cobre continua sendo um material preferencial nesses sistemas \u00e9 sua capacidade de resistir \u00e0 corros\u00e3o, garantindo desempenho e confiabilidade a longo prazo. A resist\u00eancia \u00e0 corros\u00e3o \u00e9 um fator crucial para manter a qualidade da \u00e1gua, reduzir os custos de manuten\u00e7\u00e3o e prolongar a vida \u00fatil dos sistemas de tubula\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Neste artigo, exploraremos em detalhes a resist\u00eancia \u00e0 corros\u00e3o de conex\u00f5es de cobre para tubula\u00e7\u00e3o. Examinaremos os diferentes tipos de corros\u00e3o que afetam os metais, analisaremos por que o cobre apresenta resist\u00eancia superior e compararemos o cobre com materiais alternativos. Al\u00e9m disso, discutiremos os benef\u00edcios das conex\u00f5es de cobre para tubula\u00e7\u00e3o em diversas aplica\u00e7\u00f5es e como elas contribuem para solu\u00e7\u00f5es de encanamento sustent\u00e1veis.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-understanding-corrosion-in-piping-systems\">Compreendendo a corros\u00e3o em sistemas de tubula\u00e7\u00e3o<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Antes de nos aprofundarmos na resist\u00eancia \u00e0 corros\u00e3o do cobre, \u00e9 essencial entender o que \u00e9 corros\u00e3o e como ela afeta os materiais da tubula\u00e7\u00e3o. A corros\u00e3o \u00e9 um processo natural no qual os metais se deterioram devido a rea\u00e7\u00f5es qu\u00edmicas com o ambiente. Em sistemas de encanamento, a corros\u00e3o pode levar a vazamentos, contamina\u00e7\u00e3o, redu\u00e7\u00e3o do fluxo de \u00e1gua e falha estrutural.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Existem v\u00e1rios tipos de corros\u00e3o que afetam os materiais da tubula\u00e7\u00e3o, incluindo:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Corros\u00e3o Uniforme<\/strong>\n<ul class=\"wp-block-list\">\n<li>Isso ocorre uniformemente em toda a superf\u00edcie do metal.<\/li>\n\n\n\n<li>Isso resulta em um afinamento gradual da parede do tubo.<\/li>\n\n\n\n<li>O cobre tem excelente resist\u00eancia \u00e0 corros\u00e3o uniforme, o que o torna altamente dur\u00e1vel.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Corros\u00e3o por pites<\/strong>\n<ul class=\"wp-block-list\">\n<li>Esse tipo de corros\u00e3o cria pequenos orif\u00edcios localizados na superf\u00edcie do metal.<\/li>\n\n\n\n<li>A forma\u00e7\u00e3o de corros\u00e3o pode causar vazamentos e fragilidade estrutural.<\/li>\n\n\n\n<li>O cobre \u00e9 resistente \u00e0 corros\u00e3o localizada na maioria das condi\u00e7\u00f5es de \u00e1gua, diferentemente de materiais como o a\u00e7o inoxid\u00e1vel.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Corros\u00e3o Galv\u00e2nica<\/strong>\n<ul class=\"wp-block-list\">\n<li>Isso ocorre quando dois metais diferentes entram em contato na presen\u00e7a de um eletr\u00f3lito (como \u00e1gua).<\/li>\n\n\n\n<li>Um metal corr\u00f3i mais r\u00e1pido enquanto o outro permanece protegido.<\/li>\n\n\n\n<li>A instala\u00e7\u00e3o adequada e o uso de uni\u00f5es diel\u00e9tricas evitam a corros\u00e3o galv\u00e2nica em sistemas de tubula\u00e7\u00e3o de cobre.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Eros\u00e3o Corros\u00e3o<\/strong>\n<ul class=\"wp-block-list\">\n<li>Isso acontece quando a \u00e1gua em alta velocidade causa o desgaste gradual do interior do cano.<\/li>\n\n\n\n<li>O cobre tem superf\u00edcies internas lisas que minimizam a corros\u00e3o por eros\u00e3o, garantindo um fluxo de \u00e1gua eficiente.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Corros\u00e3o por fresta<\/strong>\n<ul class=\"wp-block-list\">\n<li>Isso ocorre em espa\u00e7os pequenos e confinados, onde a \u00e1gua parada cria corros\u00e3o localizada.<\/li>\n\n\n\n<li>A resist\u00eancia natural \u00e0 corros\u00e3o do cobre reduz a probabilidade de corros\u00e3o por frestas em compara\u00e7\u00e3o a materiais como o ferro.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-why-copper-has-high-corrosion-resistance\">Por que o cobre tem alta resist\u00eancia \u00e0 corros\u00e3o<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">O cobre apresenta excelente resist\u00eancia \u00e0 corros\u00e3o devido \u00e0s suas propriedades qu\u00edmicas e f\u00edsicas \u00fanicas. V\u00e1rios fatores-chave contribuem para essa caracter\u00edstica:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Forma\u00e7\u00e3o de uma p\u00e1tina protetora<\/strong>\n<ul class=\"wp-block-list\">\n<li>Quando exposto ao ar e \u00e0 umidade, o cobre desenvolve uma fina camada de \u00f3xido que o protege de mais corros\u00e3o.<\/li>\n\n\n\n<li>Essa p\u00e1tina atua como uma barreira natural, impedindo que o metal reaja com o ambiente.<\/li>\n\n\n\n<li>Ao contr\u00e1rio do ferro, que enferruja e enfraquece com o tempo, a p\u00e1tina do cobre aumenta sua longevidade.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Natureza Inerte na \u00c1gua<\/strong>\n<ul class=\"wp-block-list\">\n<li>O cobre n\u00e3o reage facilmente com a \u00e1gua, reduzindo a probabilidade de corros\u00e3o em sistemas de encanamento.<\/li>\n\n\n\n<li>Tanto em condi\u00e7\u00f5es de \u00e1gua dura quanto macia, o cobre mant\u00e9m sua integridade melhor do que a maioria dos metais.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Resist\u00eancia ao Ataque Qu\u00edmico<\/strong>\n<ul class=\"wp-block-list\">\n<li>O cobre \u00e9 resistente a \u00e1cidos e subst\u00e2ncias alcalinas encontradas em suprimentos de \u00e1gua.<\/li>\n\n\n\n<li>N\u00e3o corr\u00f3i quando exposto a desinfetantes comuns, como o cloro, usados no tratamento de \u00e1gua.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Estrutura Molecular Est\u00e1vel<\/strong>\n<ul class=\"wp-block-list\">\n<li>O cobre tem uma estrutura cristalina c\u00fabica de face centrada (FCC), que oferece forte resist\u00eancia \u00e0 quebra estrutural.<\/li>\n\n\n\n<li>Essa estabilidade torna os acess\u00f3rios de cobre altamente confi\u00e1veis para uso a longo prazo.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-comparison-with-other-piping-materials\">Compara\u00e7\u00e3o com outros materiais de tubula\u00e7\u00e3o<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Para avaliar completamente a resist\u00eancia \u00e0 corros\u00e3o dos acess\u00f3rios de tubula\u00e7\u00e3o de cobre, \u00e9 \u00fatil compar\u00e1-los com materiais alternativos comumente usados em sistemas de encanamento.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Cobre vs. Ferro e A\u00e7o<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Resist\u00eancia \u00e0 corros\u00e3o:<\/strong> Ferro e a\u00e7o s\u00e3o altamente suscet\u00edveis \u00e0 ferrugem, enquanto o cobre n\u00e3o enferruja.<\/li>\n\n\n\n<li><strong>Vida \u00fatil:<\/strong> Tubos de cobre duram significativamente mais que tubos de ferro e a\u00e7o.<\/li>\n\n\n\n<li><strong>Manuten\u00e7\u00e3o:<\/strong> O cobre requer manuten\u00e7\u00e3o m\u00ednima, enquanto o ferro e o a\u00e7o precisam de revestimentos protetores ou substitui\u00e7\u00f5es regulares.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Cobre vs. A\u00e7o Inoxid\u00e1vel<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Resist\u00eancia \u00e0 corros\u00e3o por pites:<\/strong> O cobre tem melhor desempenho que o a\u00e7o inoxid\u00e1vel na preven\u00e7\u00e3o de corros\u00e3o localizada em aplica\u00e7\u00f5es de encanamento.<\/li>\n\n\n\n<li><strong>Custo-efetividade:<\/strong> O a\u00e7o inoxid\u00e1vel \u00e9 mais caro e mais dif\u00edcil de trabalhar do que o cobre.<\/li>\n\n\n\n<li><strong>Facilidade de instala\u00e7\u00e3o:<\/strong> Os acess\u00f3rios de cobre s\u00e3o mais f\u00e1ceis de instalar devido \u00e0 sua maleabilidade e capacidade de soldagem.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Cobre vs. Pl\u00e1stico (PVC, PEX)<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Durabilidade:<\/strong> O cobre dura muito mais que o pl\u00e1stico, que pode se degradar com o tempo.<\/li>\n\n\n\n<li><strong>Resist\u00eancia qu\u00edmica:<\/strong> Embora o pl\u00e1stico n\u00e3o sofra corros\u00e3o na \u00e1gua, ele pode se degradar quando exposto a certos produtos qu\u00edmicos e luz UV.<\/li>\n\n\n\n<li><strong>Resist\u00eancia ao calor:<\/strong> O cobre suporta altas temperaturas, enquanto o pl\u00e1stico pode amolecer ou derreter sob calor extremo.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Cobre vs. Lat\u00e3o<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Estabilidade t\u00e9rmica:<\/strong> O cobre tem estabilidade t\u00e9rmica ligeiramente melhor quando comparado ao lat\u00e3o.<\/li>\n\n\n\n<li><strong>Resist\u00eancia \u00e0 corros\u00e3o:<\/strong> O lat\u00e3o, sendo uma liga de cobre e zinco, oferece boa resist\u00eancia \u00e0 corros\u00e3o, mas pode ser afetado pela dezincifica\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Impacto na qualidade da \u00e1gua:<\/strong> O cobre \u00e9 preferido para sistemas de \u00e1gua pot\u00e1vel devido \u00e0s suas propriedades n\u00e3o t\u00f3xicas.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-applications-of-corrosion-resistant-copper-fittings\">Aplica\u00e7\u00f5es de conex\u00f5es de cobre resistentes \u00e0 corros\u00e3o<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">A resist\u00eancia \u00e0 corros\u00e3o do cobre o torna ideal para uma ampla gama de aplica\u00e7\u00f5es. Alguns dos usos mais comuns incluem:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Sistemas de encanamento dom\u00e9stico<\/strong>\n<ul class=\"wp-block-list\">\n<li>Tubos e conex\u00f5es de cobre fornecem \u00e1gua pot\u00e1vel limpa e segura, sem contamina\u00e7\u00e3o.<\/li>\n\n\n\n<li>Sua resist\u00eancia \u00e0 corros\u00e3o garante um sistema duradouro e de baixa manuten\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Sistemas de aquecimento e resfriamento<\/strong>\n<ul class=\"wp-block-list\">\n<li>Conex\u00f5es de cobre s\u00e3o usadas em caldeiras, radiadores e trocadores de calor devido \u00e0 sua durabilidade.<\/li>\n\n\n\n<li>Eles evitam falhas relacionadas \u00e0 corros\u00e3o em aplica\u00e7\u00f5es de aquecimento.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Aplica\u00e7\u00f5es Industriais<\/strong>\n<ul class=\"wp-block-list\">\n<li>Muitas ind\u00fastrias usam tubula\u00e7\u00f5es de cobre para transportar produtos qu\u00edmicos e gases.<\/li>\n\n\n\n<li>A resist\u00eancia do cobre a ambientes corrosivos garante a confiabilidade dos sistemas de tubula\u00e7\u00e3o industrial.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Aplica\u00e7\u00f5es Marinhas e Costeiras<\/strong>\n<ul class=\"wp-block-list\">\n<li>Os acess\u00f3rios de cobre apresentam bom desempenho em ambientes marinhos devido \u00e0 sua resist\u00eancia \u00e0 corros\u00e3o da \u00e1gua salgada.<\/li>\n\n\n\n<li>Ao contr\u00e1rio do a\u00e7o, que corr\u00f3i rapidamente em condi\u00e7\u00f5es salinas, o cobre permanece est\u00e1vel.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Sistemas de sprinklers contra inc\u00eandio<\/strong>\n<ul class=\"wp-block-list\">\n<li>Tubos e conex\u00f5es de cobre em sistemas de prote\u00e7\u00e3o contra inc\u00eandio garantem confiabilidade a longo prazo.<\/li>\n\n\n\n<li>Eles resistem \u00e0 corros\u00e3o causada pela \u00e1gua parada, mantendo sua efic\u00e1cia ao longo do tempo.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-sustainability-and-environmental-benefits\">Sustentabilidade e Benef\u00edcios Ambientais<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Al\u00e9m de sua excelente resist\u00eancia \u00e0 corros\u00e3o, o cobre tamb\u00e9m \u00e9 um material ecologicamente correto. Eis o porqu\u00ea:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Reciclabilidade<\/strong>\n<ul class=\"wp-block-list\">\n<li>O cobre \u00e9 100% recicl\u00e1vel sem perder suas propriedades.<\/li>\n\n\n\n<li>O cobre reciclado requer menos energia para ser processado em compara\u00e7\u00e3o \u00e0 minera\u00e7\u00e3o de novo material.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Longa vida \u00fatil<\/strong>\n<ul class=\"wp-block-list\">\n<li>Conex\u00f5es de cobre reduzem a necessidade de substitui\u00e7\u00f5es frequentes, minimizando o desperd\u00edcio.<\/li>\n\n\n\n<li>Isso leva a um menor consumo de material e impacto ambiental.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Efici\u00eancia Energ\u00e9tica<\/strong>\n<ul class=\"wp-block-list\">\n<li>A condutividade t\u00e9rmica do cobre melhora a efici\u00eancia dos sistemas de aquecimento e resfriamento.<\/li>\n\n\n\n<li>O consumo reduzido de energia leva a menores emiss\u00f5es de carbono.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-conclusion\">Conclus\u00e3o<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">As conex\u00f5es de cobre para tubula\u00e7\u00e3o s\u00e3o altamente resistentes \u00e0 corros\u00e3o, tornando-as uma excelente escolha para aplica\u00e7\u00f5es de encanamento, aquecimento, refrigera\u00e7\u00e3o e ind\u00fastria. Sua capacidade de resistir \u00e0 corros\u00e3o uniforme, por pites, galv\u00e2nica e por eros\u00e3o garante confiabilidade a longo prazo e manuten\u00e7\u00e3o m\u00ednima. Comparado a materiais alternativos, o cobre oferece durabilidade superior, melhor qualidade da \u00e1gua e maior sustentabilidade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ao escolher conex\u00f5es de cobre, engenheiros, construtores e propriet\u00e1rios de im\u00f3veis podem criar sistemas de tubula\u00e7\u00e3o duradouros, eficientes e ecologicamente corretos. \u00c0 medida que as ind\u00fastrias buscam solu\u00e7\u00f5es dur\u00e1veis e sustent\u00e1veis, o cobre continua sendo um material fundamental para aplica\u00e7\u00f5es resistentes \u00e0 corros\u00e3o.<\/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 produtos de PEAD da IFAN atendem a diversas normas internacionais, garantindo qualidade, durabilidade e confiabilidade. Essas normas incluem a ASTM D3035 e a ASTM D3350, que definem especifica\u00e7\u00f5es para tubos e materiais de polietileno (PE). As s\u00e9ries ISO 4427 e EN 12201 estabelecem refer\u00eancias globais para tubos de PE utilizados em sistemas de abastecimento de \u00e1gua. Al\u00e9m disso, as normas DIN 8074\/8075 e GB\/T 13663 estabelecem requisitos de desempenho e dimens\u00f5es para tubos de PEAD nos mercados europeu e chin\u00eas. Outras normas reconhecidas, como a AS\/NZS 4130 (Austr\u00e1lia\/Nova Zel\u00e2ndia), JIS K6760 (Jap\u00e3o), BS 6572 (Reino Unido) e CSA B137.1 (Canad\u00e1), demonstram ainda mais o compromisso da IFAN em atender \u00e0s regulamenta\u00e7\u00f5es do setor em todo o mundo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-contact\">Contato<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A IFAN \u00e9 uma fabricante profissional com 30 anos de experi\u00eancia, dedicada \u00e0 produ\u00e7\u00e3o de tubos, conex\u00f5es e v\u00e1lvulas de pl\u00e1stico de alta qualidade. Nossos produtos incluem v\u00e1lvulas de lat\u00e3o, v\u00e1lvulas de PPR, al\u00e9m de diversos tubos e conex\u00f5es para atender \u00e0s diferentes necessidades dos clientes. Seja para tubos de encanamento e drenagem ou v\u00e1lvulas, a IFAN oferece uma gama diversificada de produtos de alta qualidade e custo-benef\u00edcio para apoiar seus projetos. Abaixo, voc\u00ea encontra nossos dados de contato.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Responderemos seu e-mail ou fax em at\u00e9 24 horas.<br>Voc\u00ea pode nos ligar a qualquer momento caso tenha alguma d\u00favida sobre nossa produ\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para mais informa\u00e7\u00f5es, visite nosso site&nbsp;<a href=\"https:\/\/ifanplus.com\/pt\">https:\/\/www.ifanplus.com\/<\/a><br>Por favor, envie um e-mail para:&nbsp;<a href=\"mailto:jack@ifangroup.com\">jack@ifangroup.com<\/a><br><a href=\"https:\/\/api.whatsapp.com\/send?phone=https:\/\/api.whatsapp.com\/send?l=en&amp;phone=8619857948982\">Whatsapp: + 86 19857948982<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Copper piping fittings are widely used in plumbing, heating, cooling, and industrial applications due to their excellent durability and corrosion resistance. One of the key reasons why copper remains a preferred material in these systems is its ability to withstand corrosion, ensuring long-term performance and reliability. Corrosion resistance is a crucial factor in maintaining [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":22016,"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":[592,612,608,614,277],"class_list":["post-22015","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-brass-water-valve","tag-copper-ball-valve","tag-copper-valve","tag-copper-water-valve","tag-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v27.7) - 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