{"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":"la-resistance-a-la-corrosion-des-raccords-de-tuyauterie-en-cuivre","status":"publish","type":"post","link":"https:\/\/ifanplus.com\/fr\/connaissance\/la-resistance-a-la-corrosion-des-raccords-de-tuyauterie-en-cuivre\/","title":{"rendered":"La r\u00e9sistance \u00e0 la corrosion des raccords de tuyauterie en cuivre"},"content":{"rendered":"<h4 class=\"wp-block-heading\" id=\"h-introduction\">Introduction<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ifanplus.com\/fr\/product-category\/industrie-du-laiton\/\">Raccords de tuyauterie en cuivre<\/a> Ils sont largement utilis\u00e9s dans les applications de plomberie, de chauffage, de climatisation et industrielles en raison de leur excellente durabilit\u00e9 et de leur r\u00e9sistance \u00e0 la corrosion. L&#039;une des principales raisons pour lesquelles le cuivre reste un mat\u00e9riau privil\u00e9gi\u00e9 dans ces syst\u00e8mes est sa capacit\u00e9 \u00e0 r\u00e9sister \u00e0 la corrosion, garantissant ainsi performance et fiabilit\u00e9 \u00e0 long terme. La r\u00e9sistance \u00e0 la corrosion est un facteur crucial pour maintenir la qualit\u00e9 de l&#039;eau, r\u00e9duire les co\u00fbts de maintenance et prolonger la dur\u00e9e de vie des canalisations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans cet article, nous explorerons en d\u00e9tail la r\u00e9sistance \u00e0 la corrosion des raccords de tuyauterie en cuivre. Nous examinerons les diff\u00e9rents types de corrosion affectant les m\u00e9taux, analyserons les raisons de la r\u00e9sistance sup\u00e9rieure du cuivre et comparerons le cuivre \u00e0 d&#039;autres mat\u00e9riaux. De plus, nous aborderons les avantages des raccords de tuyauterie en cuivre dans diverses applications et leur contribution \u00e0 des solutions de plomberie durables.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-understanding-corrosion-in-piping-systems\">Comprendre la corrosion dans les syst\u00e8mes de tuyauterie<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Avant d&#039;aborder la r\u00e9sistance \u00e0 la corrosion du cuivre, il est essentiel de comprendre ce qu&#039;est la corrosion et comment elle affecte les mat\u00e9riaux des canalisations. La corrosion est un processus naturel de d\u00e9t\u00e9rioration des m\u00e9taux par r\u00e9action chimique avec leur environnement. Dans les syst\u00e8mes de plomberie, la corrosion peut entra\u00eener des fuites, une contamination, une r\u00e9duction du d\u00e9bit d&#039;eau et des d\u00e9faillances structurelles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il existe plusieurs types de corrosion qui affectent les mat\u00e9riaux de tuyauterie, notamment :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Corrosion uniforme<\/strong>\n<ul class=\"wp-block-list\">\n<li>Cela se produit uniform\u00e9ment sur toute la surface du m\u00e9tal.<\/li>\n\n\n\n<li>Il en r\u00e9sulte un amincissement progressif de la paroi du tuyau.<\/li>\n\n\n\n<li>Le cuivre pr\u00e9sente une excellente r\u00e9sistance \u00e0 la corrosion uniforme, ce qui le rend tr\u00e8s durable.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Corrosion par piq\u00fbres<\/strong>\n<ul class=\"wp-block-list\">\n<li>Ce type de corrosion cr\u00e9e de petits trous localis\u00e9s sur la surface m\u00e9tallique.<\/li>\n\n\n\n<li>Les piq\u00fbres peuvent entra\u00eener des fuites et une faiblesse structurelle.<\/li>\n\n\n\n<li>Le cuivre r\u00e9siste \u00e0 la corrosion par piq\u00fbres dans la plupart des conditions d\u2019eau, contrairement \u00e0 des mat\u00e9riaux tels que l\u2019acier inoxydable.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Corrosion galvanique<\/strong>\n<ul class=\"wp-block-list\">\n<li>Cela se produit lorsque deux m\u00e9taux diff\u00e9rents entrent en contact en pr\u00e9sence d\u2019un \u00e9lectrolyte (comme l\u2019eau).<\/li>\n\n\n\n<li>Un m\u00e9tal se corrode plus rapidement tandis que l\u2019autre reste prot\u00e9g\u00e9.<\/li>\n\n\n\n<li>Une installation appropri\u00e9e et l\u2019utilisation de raccords di\u00e9lectriques emp\u00eachent la corrosion galvanique dans les syst\u00e8mes de tuyauterie en cuivre.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u00c9rosion Corrosion<\/strong>\n<ul class=\"wp-block-list\">\n<li>Cela se produit lorsque l&#039;eau \u00e0 grande vitesse provoque l&#039;usure progressive de l&#039;int\u00e9rieur du tuyau.<\/li>\n\n\n\n<li>Le cuivre poss\u00e8de des surfaces internes lisses qui minimisent l&#039;\u00e9rosion et la corrosion, assurant ainsi un d\u00e9bit d&#039;eau efficace.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Corrosion caverneuse<\/strong>\n<ul class=\"wp-block-list\">\n<li>Cela se produit dans de petits espaces confin\u00e9s o\u00f9 l\u2019eau stagnante cr\u00e9e une corrosion localis\u00e9e.<\/li>\n\n\n\n<li>La r\u00e9sistance naturelle du cuivre \u00e0 la corrosion r\u00e9duit le risque de corrosion caverneuse par rapport \u00e0 des mat\u00e9riaux comme le fer.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-why-copper-has-high-corrosion-resistance\">Pourquoi le cuivre a une r\u00e9sistance \u00e9lev\u00e9e \u00e0 la corrosion<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Le cuivre pr\u00e9sente une excellente r\u00e9sistance \u00e0 la corrosion gr\u00e2ce \u00e0 ses propri\u00e9t\u00e9s chimiques et physiques uniques. Plusieurs facteurs cl\u00e9s contribuent \u00e0 cette caract\u00e9ristique\u00a0:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Formation d&#039;une patine protectrice<\/strong>\n<ul class=\"wp-block-list\">\n<li>Lorsqu&#039;il est expos\u00e9 \u00e0 l&#039;air et \u00e0 l&#039;humidit\u00e9, le cuivre d\u00e9veloppe une fine couche d&#039;oxyde qui le prot\u00e8ge de toute corrosion suppl\u00e9mentaire.<\/li>\n\n\n\n<li>Cette patine agit comme une barri\u00e8re naturelle, emp\u00eachant le m\u00e9tal de r\u00e9agir avec l&#039;environnement.<\/li>\n\n\n\n<li>Contrairement au fer, qui rouille et s&#039;affaiblit avec le temps, la patine du cuivre am\u00e9liore sa long\u00e9vit\u00e9.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Nature inerte dans l&#039;eau<\/strong>\n<ul class=\"wp-block-list\">\n<li>Le cuivre ne r\u00e9agit pas facilement avec l\u2019eau, ce qui r\u00e9duit le risque de corrosion dans les syst\u00e8mes de plomberie.<\/li>\n\n\n\n<li>Dans des conditions d\u2019eau dure ou douce, le cuivre conserve son int\u00e9grit\u00e9 mieux que la plupart des m\u00e9taux.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>R\u00e9sistance aux attaques chimiques<\/strong>\n<ul class=\"wp-block-list\">\n<li>Le cuivre r\u00e9siste aux acides et aux substances alcalines pr\u00e9sentes dans les r\u00e9serves d\u2019eau.<\/li>\n\n\n\n<li>Il ne se corrode pas lorsqu\u2019il est expos\u00e9 aux d\u00e9sinfectants courants, tels que le chlore, utilis\u00e9s dans le traitement de l\u2019eau.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Structure mol\u00e9culaire stable<\/strong>\n<ul class=\"wp-block-list\">\n<li>Le cuivre poss\u00e8de une structure cristalline cubique \u00e0 faces centr\u00e9es (FCC), qui offre une forte r\u00e9sistance \u00e0 la d\u00e9gradation structurelle.<\/li>\n\n\n\n<li>Cette stabilit\u00e9 rend les raccords en cuivre tr\u00e8s fiables pour une utilisation \u00e0 long terme.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-comparison-with-other-piping-materials\">Comparaison avec d&#039;autres mat\u00e9riaux de tuyauterie<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Pour appr\u00e9cier pleinement la r\u00e9sistance \u00e0 la corrosion des raccords de tuyauterie en cuivre, il est utile de les comparer avec des mat\u00e9riaux alternatifs couramment utilis\u00e9s dans les syst\u00e8mes de plomberie.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Cuivre contre fer et acier<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>R\u00e9sistance \u00e0 la corrosion :<\/strong> Le fer et l\u2019acier sont tr\u00e8s sensibles \u00e0 la rouille, tandis que le cuivre ne rouille pas.<\/li>\n\n\n\n<li><strong>Dur\u00e9e de vie:<\/strong> Les tuyaux en cuivre durent beaucoup plus longtemps que les tuyaux en fer et en acier.<\/li>\n\n\n\n<li><strong>Entretien:<\/strong> Le cuivre n\u00e9cessite un entretien minimal, tandis que le fer et l\u2019acier n\u00e9cessitent des rev\u00eatements protecteurs ou des remplacements r\u00e9guliers.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Cuivre contre acier inoxydable<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>R\u00e9sistance aux piq\u00fbres :<\/strong> Le cuivre est plus efficace que l\u2019acier inoxydable pour pr\u00e9venir la corrosion par piq\u00fbres dans les applications de plomberie.<\/li>\n\n\n\n<li><strong>Rapport co\u00fbt-efficacit\u00e9 :<\/strong> L\u2019acier inoxydable est plus cher et plus difficile \u00e0 travailler que le cuivre.<\/li>\n\n\n\n<li><strong>Facilit\u00e9 d&#039;installation :<\/strong> Les raccords en cuivre sont plus faciles \u00e0 installer en raison de leur mall\u00e9abilit\u00e9 et de leur capacit\u00e9 de soudure.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Cuivre vs. Plastique (PVC, PEX)<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Durabilit\u00e9:<\/strong> Le cuivre dure beaucoup plus longtemps que le plastique, qui peut se d\u00e9grader avec le temps.<\/li>\n\n\n\n<li><strong>R\u00e9sistance chimique :<\/strong> Bien que le plastique ne se corrode pas dans l\u2019eau, il peut se d\u00e9grader lorsqu\u2019il est expos\u00e9 \u00e0 certains produits chimiques et aux rayons UV.<\/li>\n\n\n\n<li><strong>R\u00e9sistance \u00e0 la chaleur :<\/strong> Le cuivre r\u00e9siste aux temp\u00e9ratures \u00e9lev\u00e9es, tandis que le plastique peut ramollir ou fondre sous une chaleur extr\u00eame.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Cuivre contre laiton<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Stabilit\u00e9 thermique :<\/strong> Le cuivre a une stabilit\u00e9 thermique l\u00e9g\u00e8rement meilleure que le laiton.<\/li>\n\n\n\n<li><strong>R\u00e9sistance \u00e0 la corrosion :<\/strong> Le laiton, \u00e9tant un alliage de cuivre et de zinc, offre une bonne r\u00e9sistance \u00e0 la corrosion mais peut \u00eatre affect\u00e9 par la d\u00e9zincification.<\/li>\n\n\n\n<li><strong>Impact sur la qualit\u00e9 de l&#039;eau :<\/strong> Le cuivre est privil\u00e9gi\u00e9 pour les syst\u00e8mes d\u2019eau potable en raison de ses propri\u00e9t\u00e9s non toxiques.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-applications-of-corrosion-resistant-copper-fittings\">Applications des raccords en cuivre r\u00e9sistants \u00e0 la corrosion<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9sistance \u00e0 la corrosion du cuivre le rend id\u00e9al pour un large \u00e9ventail d&#039;applications. Parmi les utilisations les plus courantes, on peut citer\u00a0:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Syst\u00e8mes de plomberie domestique<\/strong>\n<ul class=\"wp-block-list\">\n<li>Les tuyaux et raccords en cuivre fournissent une eau potable propre et s\u00fbre sans contamination.<\/li>\n\n\n\n<li>Leur r\u00e9sistance \u00e0 la corrosion garantit un syst\u00e8me durable et n\u00e9cessitant peu d\u2019entretien.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Syst\u00e8mes de chauffage et de refroidissement<\/strong>\n<ul class=\"wp-block-list\">\n<li>Les raccords en cuivre sont utilis\u00e9s dans les chaudi\u00e8res, les radiateurs et les \u00e9changeurs de chaleur en raison de leur durabilit\u00e9.<\/li>\n\n\n\n<li>Ils pr\u00e9viennent les pannes li\u00e9es \u00e0 la corrosion dans les applications de chauffage.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Applications industrielles<\/strong>\n<ul class=\"wp-block-list\">\n<li>De nombreuses industries utilisent des tuyaux en cuivre pour transporter des produits chimiques et des gaz.<\/li>\n\n\n\n<li>La r\u00e9sistance du cuivre aux environnements corrosifs garantit la fiabilit\u00e9 des syst\u00e8mes de tuyauterie industrielle.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Applications marines et c\u00f4ti\u00e8res<\/strong>\n<ul class=\"wp-block-list\">\n<li>Les raccords en cuivre fonctionnent bien dans les environnements marins en raison de leur r\u00e9sistance \u00e0 la corrosion par l\u2019eau sal\u00e9e.<\/li>\n\n\n\n<li>Contrairement \u00e0 l\u2019acier, qui se corrode rapidement dans des conditions sal\u00e9es, le cuivre reste stable.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Syst\u00e8mes de gicleurs d&#039;incendie<\/strong>\n<ul class=\"wp-block-list\">\n<li>Les tuyaux et raccords en cuivre des syst\u00e8mes de protection incendie garantissent une fiabilit\u00e9 \u00e0 long terme.<\/li>\n\n\n\n<li>Ils r\u00e9sistent \u00e0 la corrosion due \u00e0 la stagnation de l\u2019eau, conservant ainsi leur efficacit\u00e9 dans le temps.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-sustainability-and-environmental-benefits\">Durabilit\u00e9 et avantages environnementaux<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Outre son excellente r\u00e9sistance \u00e0 la corrosion, le cuivre est \u00e9galement un mat\u00e9riau respectueux de l&#039;environnement. Voici pourquoi\u00a0:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Recyclabilit\u00e9<\/strong>\n<ul class=\"wp-block-list\">\n<li>Le cuivre est recyclable 100% sans perdre ses propri\u00e9t\u00e9s.<\/li>\n\n\n\n<li>Le traitement du cuivre recycl\u00e9 n\u00e9cessite moins d\u2019\u00e9nergie que l\u2019extraction de nouveaux mat\u00e9riaux.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Longue dur\u00e9e de vie<\/strong>\n<ul class=\"wp-block-list\">\n<li>Les raccords en cuivre r\u00e9duisent le besoin de remplacements fr\u00e9quents, minimisant ainsi les d\u00e9chets.<\/li>\n\n\n\n<li>Cela conduit \u00e0 une consommation de mat\u00e9riaux et \u00e0 un impact environnemental moindres.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Efficacit\u00e9 \u00e9nerg\u00e9tique<\/strong>\n<ul class=\"wp-block-list\">\n<li>La conductivit\u00e9 thermique du cuivre am\u00e9liore l\u2019efficacit\u00e9 des syst\u00e8mes de chauffage et de refroidissement.<\/li>\n\n\n\n<li>Une consommation \u00e9nerg\u00e9tique r\u00e9duite entra\u00eene une diminution des \u00e9missions de carbone.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Les raccords de tuyauterie en cuivre sont tr\u00e8s r\u00e9sistants \u00e0 la corrosion, ce qui en fait un excellent choix pour la plomberie, le chauffage, la climatisation et les applications industrielles. Leur r\u00e9sistance \u00e0 la corrosion uniforme, par piq\u00fbres, galvanique et \u00e9rosion garantit une fiabilit\u00e9 \u00e0 long terme et un entretien minimal. Compar\u00e9 aux autres mat\u00e9riaux, le cuivre offre une durabilit\u00e9 sup\u00e9rieure, une meilleure qualit\u00e9 de l&#039;eau et une durabilit\u00e9 accrue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En choisissant des raccords en cuivre, les ing\u00e9nieurs, les constructeurs et les particuliers peuvent cr\u00e9er des syst\u00e8mes de tuyauterie durables, efficaces et respectueux de l&#039;environnement. Alors que les industries recherchent des solutions durables et p\u00e9rennes, le cuivre reste un mat\u00e9riau essentiel pour les applications r\u00e9sistantes \u00e0 la corrosion.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ifan-international-standard\">Norme internationale IFAN<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les produits en PEHD d&#039;IFAN sont conformes \u00e0 diverses normes internationales, garantissant qualit\u00e9, durabilit\u00e9 et fiabilit\u00e9. Parmi ces normes figurent les normes ASTM D3035 et ASTM D3350, qui d\u00e9finissent les sp\u00e9cifications des tubes et mat\u00e9riaux en poly\u00e9thyl\u00e8ne (PE). Les normes ISO 4427 et EN 12201 \u00e9tablissent des r\u00e9f\u00e9rences mondiales pour les tubes en PE utilis\u00e9s dans les r\u00e9seaux d&#039;approvisionnement en eau. De plus, les normes DIN 8074\/8075 et GB\/T 13663 \u00e9tablissent les exigences de performance et de dimension des tubes en PEHD sur les march\u00e9s europ\u00e9en et chinois. D&#039;autres normes reconnues, telles que AS\/NZS 4130 (Australie\/Nouvelle-Z\u00e9lande), JIS K6760 (Japon), BS 6572 (Royaume-Uni) et CSA B137.1 (Canada), t\u00e9moignent de l&#039;engagement d&#039;IFAN \u00e0 respecter les r\u00e9glementations industrielles mondiales.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-contact\">Contact<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IFAN est un fabricant professionnel fort de 30 ans d&#039;exp\u00e9rience, sp\u00e9cialis\u00e9 dans la production de tuyaux, raccords et vannes en plastique de haute qualit\u00e9. Nos produits comprennent des vannes en laiton, des vannes en PPR, ainsi que divers tuyaux et raccords pour r\u00e9pondre aux diff\u00e9rents besoins de nos clients. Que vous ayez besoin de tuyaux de plomberie et d&#039;\u00e9vacuation ou de vannes, IFAN propose une gamme diversifi\u00e9e de produits de haute qualit\u00e9 et \u00e9conomiques pour vos projets. Vous trouverez nos coordonn\u00e9es ci-dessous.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous r\u00e9pondrons \u00e0 votre e-mail ou fax dans les 24 heures.<br>Vous pouvez nous appeler \u00e0 tout moment si vous avez des questions sur notre production.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour plus d&#039;informations, veuillez visiter notre site Web&nbsp;<a href=\"https:\/\/ifanplus.com\/fr\">https:\/\/www.ifanplus.com\/<\/a><br>Veuillez envoyer un mail \u00e0 :&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 v27.9) - 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