{"id":8392,"date":"2024-05-04T02:46:54","date_gmt":"2024-05-04T02:46:54","guid":{"rendered":"https:\/\/www.ifanfittings.com\/?p=8392"},"modified":"2026-01-07T11:10:53","modified_gmt":"2026-01-07T03:10:53","slug":"vanne-en-laiton-verte-ditalie","status":"publish","type":"post","link":"https:\/\/www.waterpipefactory.com\/fr\/connaissance\/vanne-en-laiton-verte-ditalie\/","title":{"rendered":"Pourquoi les vannes en laiton italiennes deviennent-elles vertes ?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Le verdissement des vannes en laiton au fil du temps peut \u00eatre d\u00fb aux raisons suivantes :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Boule en laiton rouill\u00e9e<\/strong>:La rouille du laiton peut \u00eatre le r\u00e9sultat de l&#039;action combin\u00e9e du laiton avec l&#039;oxyg\u00e8ne, le dioxyde de carbone et l&#039;eau.<\/li>\n\n\n\n<li><strong>Pollution des sources d&#039;eau<\/strong>L&#039;hypochlorite de sodium est ajout\u00e9 \u00e0 l&#039;eau du robinet pour la d\u00e9sinfection. L&#039;hypochlorite de sodium est instable et d\u00e9compose le chlore lorsqu&#039;il est expos\u00e9 au soleil. Une petite quantit\u00e9 de chlore dissous dans l&#039;eau peut faire verdir la valve en laiton.<\/li>\n\n\n\n<li><strong>Croissance des algues<\/strong>Le tuyau en PVC destin\u00e9 \u00e0 la r\u00e9ception de l&#039;eau est blanc et translucide. Expos\u00e9e au soleil, la paroi du tuyau devient un environnement propice \u00e0 la croissance d&#039;algues comme la mousse, ce qui donne \u00e9galement \u00e0 l&#039;eau une couleur verte.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-style-rounded\"><a href=\"https:\/\/youtu.be\/t0DT0QaX7h0?si=eNHGDeW2pFoAGPlj\"><img fetchpriority=\"high\" decoding=\"async\" width=\"512\" height=\"476\" src=\"https:\/\/www.waterpipefactory.com\/wp-content\/uploads\/2024\/05\/1714789406237_\u526f\u672c.jpg\" alt=\"\" class=\"wp-image-8393\" srcset=\"https:\/\/www.waterpipefactory.com\/wp-content\/uploads\/2024\/05\/1714789406237_\u526f\u672c.jpg 512w, https:\/\/www.waterpipefactory.com\/wp-content\/uploads\/2024\/05\/1714789406237_\u526f\u672c-300x279.jpg 300w, https:\/\/www.waterpipefactory.com\/wp-content\/uploads\/2024\/05\/1714789406237_\u526f\u672c-64x60.jpg 64w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">La solution apr\u00e8s que la vanne en laiton devienne verte<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>M\u00e9thode de trempage au vinaigre<\/strong>: Lavez la valve en laiton rouill\u00e9e, placez-la dans un petit r\u00e9cipient, versez un peu de vinaigre blanc et immergez-la. Apr\u00e8s 24 heures, retirez-la, utilisez une petite brosse pour \u00e9liminer les r\u00e9sidus de rouille, puis rincez \u00e0 l&#039;eau claire et essuyez.<\/li>\n\n\n\n<li><strong>M\u00e9thode de trempage dans l&#039;eau bouillante<\/strong>Si le laiton rouill\u00e9 est parfois recouvert d&#039;une couche de rouille tenace, vous pouvez d&#039;abord le placer dans un bol, puis y verser de l&#039;eau bouillante \u00e0 80-90 \u00b0C jusqu&#039;\u00e0 ce qu&#039;il soit immerg\u00e9. Retirez-le apr\u00e8s 5 minutes, brossez-le avec une petite brosse et s\u00e9chez-le \u00e0 l&#039;ombre. En cas de rouille tenace, portez l&#039;eau \u00e0 \u00e9bullition pour faire dispara\u00eetre la rouille.<\/li>\n\n\n\n<li><strong>M\u00e9thode de brossage \u00e0 sec<\/strong>Lorsque la rouille du laiton ou du fer est relativement superficielle, il est conseill\u00e9 d&#039;\u00e9viter autant que possible les m\u00e9thodes chimiques comme le trempage au vinaigre et d&#039;utiliser plut\u00f4t le brossage \u00e0 sec. La m\u00e9thode la plus simple consiste \u00e0 choisir un grand pinceau \u00e0 huile et \u00e0 couper les poils bruns de la t\u00eate \u00e0 0,5-0,7 cm de la racine. Fixez d&#039;abord la porte en laiton \u00e0 d\u00e9rouiller, tenez le pinceau \u00e0 huile par la racine et appliquez un brossage uniforme en veillant \u00e0 bien appliquer la force n\u00e9cessaire, sinon l&#039;effet sera mauvais, puis rincez \u00e0 l&#039;eau claire.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.waterpipefactory.com\/fr\/contactez-nous\/\">Comment nous contacter<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Le verdissement des vannes en laiton au fil du temps peut \u00eatre d\u00fb aux raisons suivantes : La solution apr\u00e8s que la vanne en laiton devient verte Comment nous contacter<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","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":[91],"tags":[769,1052,1051,771,1142],"class_list":["post-8392","post","type-post","status-publish","format-standard","hentry","category-knowledge","tag-ball-valve-replacement","tag-ball-valve-with-drain","tag-ball-valves-for-pools","tag-gate-valve-irrigation","tag-valve-meaning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.3.1 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Why do Brass valves turn green?<\/title>\n<meta name=\"description\" content=\"Why do Brass valves turn green after long time? 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