{"id":19523,"date":"2022-07-11T11:10:04","date_gmt":"2022-07-11T11:10:04","guid":{"rendered":"https:\/\/zecovalve.com\/?p=19523"},"modified":"2023-07-05T13:21:35","modified_gmt":"2023-07-05T13:21:35","slug":"what-is-an-air-valve-air-valve-types-air-release-valve","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/what-is-an-air-valve-air-valve-types-air-release-valve.html","title":{"rendered":"Qu&#039;est-ce qu&#039;une vanne d&#039;air ? Types de vannes d&#039;air - Soupape de lib\u00e9ration d&#039;air"},"content":{"rendered":"<p>Tous les syst\u00e8mes d&#039;approvisionnement en eau sont constitu\u00e9s de canalisations qui transportent l&#039;eau de sa source \u00e0 sa destination. Au cours de ce processus, des poches d\u2019air emprisonn\u00e9es peuvent se former dans les canalisations. Les poches de gaz d\u2019air et d\u2019eaux us\u00e9es sont difficiles \u00e0 d\u00e9tecter et r\u00e9duiront l\u2019efficacit\u00e9 globale du syst\u00e8me de tuyauterie. Les poches d&#039;air peuvent \u00e9galement provoquer des probl\u00e8mes de coups de b\u00e9lier, d&#039;arr\u00eat du d\u00e9bit total, d&#039;\u00e9clatement de canalisations, de bruit dans le syst\u00e8me et de corrosion des canalisations. L&#039;air dans le pipeline peut \u00e9galement provoquer un fonctionnement instable des vannes de r\u00e9gulation, des compteurs et des \u00e9quipements. Pour garantir un fonctionnement s\u00fbr et efficace, il est donc essentiel d\u2019\u00e9liminer continuellement l\u2019air et les gaz d\u2019eaux us\u00e9es du syst\u00e8me d\u2019eau.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-an-air-valve\">Qu&#039;est-ce qu&#039;une vanne d&#039;air ?<\/h2>\n\n\n\n<p>Les vannes d&#039;air sont un \u00e9l\u00e9ment essentiel des r\u00e9seaux d&#039;approvisionnement en eau. Qu&#039;il s&#039;agisse d&#039;une conduite de distribution d&#039;eau ou d&#039;une conduite d&#039;\u00e9gout, vous pouvez trouver un <a href=\"https:\/\/zecovalve.com\/fr\/what-is-an-air-valve-air-valve-types-air-release-valve.html\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Soupape d&#039;air\" target=\"_blank\" rel=\"noopener\">soupape d&#039;air<\/a> l\u00e0.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Principaux composants d&#039;une soupape de d\u00e9charge d&#039;air<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Corps de soupape<\/h3>\n\n\n\n<p>Le corps unique de la vanne en fonte ductile est compact et abrite les flotteurs internes et le m\u00e9canisme sup\u00e9rieur. Le corps est con\u00e7u de mani\u00e8re \u00e0 ce que l&#039;entr\u00e9e soit totalement exempte de guides de flotteur, ce qui permet d&#039;utiliser les vannes papillon directement sous le <a href=\"https:\/\/zecovalve.com\/fr\/what-is-an-air-valve-air-valve-types-air-release-valve.html\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Soupape d&#039;air\" target=\"_blank\" rel=\"noopener\">soupape d&#039;air<\/a> sans impacter les performances. Chaque corps de vanne est dot\u00e9 d&#039;une vanne de vidange inf\u00e9rieure inviolable de qualit\u00e9 316SS permettant \u00e0 la vanne d&#039;\u00eatre vidang\u00e9e et test\u00e9e rapidement et en toute s\u00e9curit\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ensembles de flotteurs int\u00e9rieurs<\/h3>\n\n\n\n<p>Les flotteurs int\u00e9rieurs sont tous fabriqu\u00e9s \u00e0 partir de polypropyl\u00e8ne en barres, garantissant qu&#039;ils ne pourront jamais changer de masse ou de forme. Les flotteurs sont tous guid\u00e9s et maintenus d&#039;\u00e9querre par rapport au corps par les quatre nervures de guidage sur le corps de la vanne, garantissant qu&#039;ils ne peuvent pas \u00eatre souffl\u00e9s de mani\u00e8re d\u00e9cal\u00e9e sur le c\u00f4t\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-air-valve-types\">Types de vannes d&#039;air<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\" id=\"h-1-combination-air-valves\">1. <a href=\"https:\/\/zecovalve.com\/fr\/produit\/combination-air-valve\/\"><strong><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\">Vannes d&#039;air combin\u00e9es<\/mark><\/strong><\/a><\/h3>\n\n\n\n<p>Il combine la fonction de vannes d&#039;air automatiques et de vannes d&#039;air et de vide. La fonction de lib\u00e9ration d&#039;air automatique lib\u00e8re l&#039;air accumul\u00e9 du syst\u00e8me lorsqu&#039;il est sous pression, et la fonction d&#039;air et de vide \u00e9vacue et admet de grands volumes d&#039;air pendant le remplissage ou la vidange des canalisations. Les vannes d&#039;air combin\u00e9es sont des vannes d&#039;air \u00e0 double orifice, des vannes d&#039;air \u00e0 double effet et des vannes d&#039;air \u00e0 double orifice.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/combination-air-valve.jpg\" alt=\"\"\/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\" id=\"h-2-air-and-vacuum-valves\">2. Vannes d&#039;air et de vide<\/h3>\n\n\n\n<p>Il \u00e9vacue de grands volumes d\u2019air \u00e0 partir de canalisations non pressuris\u00e9es et est principalement utilis\u00e9 lors du remplissage d\u2019une canalisation. Les vannes d&#039;air et de vide permettent d&#039;admettre de grands volumes d&#039;air lorsque les conduites sont vidang\u00e9es et que la pression chute soudainement. Les vannes d&#039;air et de vide sont des vannes d&#039;air cin\u00e9tiques, des vannes d&#039;air \u00e0 grand orifice, des casse-vide, des vannes d&#039;air basse pression, des soupapes de surpression d&#039;air et des vannes d&#039;air \u00e0 simple effet.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/Air-and-vacuum-valve.jpg\" alt=\"\" width=\"370\" height=\"370\"\/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\" id=\"h-3-automatic-air-valves\">3. <a href=\"https:\/\/zecovalve.com\/fr\/produit\/single-orifice-air-release-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\">Vannes d&#039;air automatiques<\/mark><\/strong><\/a><\/h3>\n\n\n\n<p>Il lib\u00e8re en permanence des volumes d&#039;air relativement faibles \u00e0 partir d&#039;une conduite sous pression. Les vannes d&#039;air automatiques sont \u00e9galement connues sous le nom de vannes d&#039;air \u00e0 petit orifice et sous pression.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/single-orifice-air-release-valve-1.jpg\" alt=\"\" width=\"200\" height=\"228\"\/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Qu\u2019est-ce qui cause la pr\u00e9sence d\u2019air dans les conduites d\u2019eau\u00a0?<\/h2>\n\n\n\n<p>L&#039;air et le vide form\u00e9s dans les conduites d&#039;eau peuvent entra\u00eener de graves probl\u00e8mes de fonctionnement, voire des cons\u00e9quences dramatiques. L&#039;air peut p\u00e9n\u00e9trer dans les syst\u00e8mes de tuyauterie de plusieurs mani\u00e8res\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pipelines vides<\/li>\n<\/ul>\n\n\n\n<p>Les pipelines qui ne sont pas en service sont occup\u00e9s par de l&#039;air. La majeure partie est \u00e9vacu\u00e9e au d\u00e9marrage, mais certaines poches d&#039;air peuvent rester dans le syst\u00e8me.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Air dans le fluide<\/li>\n<\/ul>\n\n\n\n<p>Les liquides comme l&#039;eau peuvent contenir de l&#039;air emprisonn\u00e9 ou dissous en fonction de la temp\u00e9rature et de la pression. Il se s\u00e9pare du liquide lors de l&#039;\u00e9coulement du fluide et peut rester pi\u00e9g\u00e9 aux points hauts du syst\u00e8me. De plus, dans les canalisations transportant les eaux us\u00e9es, les d\u00e9chets liquides peuvent subir des r\u00e9actions chimiques et se transformer en gaz qui peuvent rester pi\u00e9g\u00e9s dans le syst\u00e8me de traitement des eaux us\u00e9es.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c9quipement m\u00e9canique<\/li>\n<\/ul>\n\n\n\n<p>L&#039;air peut \u00e9galement p\u00e9n\u00e9trer dans la canalisation par le biais de syst\u00e8mes m\u00e9caniques tels que des pompes, des joints de canalisations, des vannes, etc. Des fuites ou des joints d\u00e9fectueux dans ces composants peuvent entra\u00eener une infiltration d&#039;air dans le syst\u00e8me de canalisation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-function-of-air-valves\">La fonction des vannes d&#039;air<\/h2>\n\n\n\n<p>Les vannes d&#039;air remplissent deux fonctions importantes dans un syst\u00e8me de tuyauterie. Ils maintiennent l\u2019efficacit\u00e9 de la conception du syst\u00e8me et assurent la protection du syst\u00e8me. L&#039;efficacit\u00e9 du syst\u00e8me est maintenue en \u00e9vacuant l&#039;air du syst\u00e8me via les vannes d&#039;air, ce qui peut limiter le d\u00e9bit et augmenter les co\u00fbts de pompage.<\/p>\n\n\n\n<p>La protection est assur\u00e9e par l&#039;\u00e9vacuation et l&#039;admission d&#039;air \u00e0 travers les vannes d&#039;air pendant le fonctionnement du syst\u00e8me, y compris le d\u00e9marrage, l&#039;arr\u00eat et les conditions critiques telles que les pannes de courant ou les ruptures de conduite. L&#039;air \u00e9vacu\u00e9 et admis dans ces conditions r\u00e9duira le risque de surtensions destructrices et de coups de b\u00e9lier normalement associ\u00e9s \u00e0 un air incontr\u00f4l\u00e9 ou \u00e0 un vide dans le syst\u00e8me de tuyauterie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comment fonctionne une vanne d&#039;air ?<\/h2>\n\n\n\n<p>Des vannes de purge d&#039;air automatiques sont install\u00e9es aux points les plus \u00e9lev\u00e9s d&#039;un pipeline o\u00f9 l&#039;air s&#039;accumule naturellement. Des bulles d&#039;air p\u00e9n\u00e8trent dans la valve et d\u00e9placent le liquide \u00e0 l&#039;int\u00e9rieur, abaissant ainsi le niveau de liquide. Il baisse lorsque le niveau baisse jusqu&#039;au point o\u00f9 il ne soutient plus le flotteur. Ce mouvement \u00e9loigne le si\u00e8ge de l&#039;orifice, d\u00e9clenchant l&#039;ouverture de la vanne et l&#039;\u00e9vacuation de l&#039;air accumul\u00e9 dans l&#039;atmosph\u00e8re.<\/p>\n\n\n\n<p>Au fur et \u00e0 mesure que l&#039;air est purg\u00e9, le liquide rentre dans la vanne, soutenant \u00e0 nouveau le flotteur, le soulevant jusqu&#039;\u00e0 ce que le si\u00e8ge appuie contre l&#039;orifice, fermant ainsi la vanne. Ce cycle se r\u00e9p\u00e8te automatiquement aussi souvent que n\u00e9cessaire pour maintenir un syst\u00e8me sans air.<\/p>\n\n\n\n<p>Une installation correcte est essentielle au fonctionnement des soupapes de d\u00e9charge d\u2019air. \u00c9tant donn\u00e9 que ces vannes sont con\u00e7ues pour \u00e9vacuer l&#039;air du syst\u00e8me de tuyauterie, elles doivent \u00eatre plac\u00e9es l\u00e0 o\u00f9 l&#039;air est le plus susceptible de s&#039;accumuler. Installez-les aux points hauts du syst\u00e8me verticalement avec l\u2019entr\u00e9e vers le bas. N&#039;oubliez pas d&#039;ajouter une vanne d&#039;arr\u00eat sous la vanne si un entretien est n\u00e9cessaire.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Applications des vannes d&#039;air<\/h2>\n\n\n\n<p>Tous les syst\u00e8mes de transport de fluides<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Potable<\/li>\n\n\n\n<li>Eaux us\u00e9es<\/li>\n\n\n\n<li>R\u00e9siduel<\/li>\n\n\n\n<li>Eau naturelle<\/li>\n\n\n\n<li>Eau sal\u00e9e (installations d&#039;osmose inverse)<\/li>\n\n\n\n<li>Acides en solution (exploitation mini\u00e8re).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-advantages-of-air-valves\">Avantages des vannes d&#039;air<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prot\u00e9ger les pipelines<\/li>\n\n\n\n<li>R\u00e9soudre les probl\u00e8mes d&#039;emprisonnement d&#039;air<\/li>\n\n\n\n<li>Assure l\u2019exploitation s\u00e9curitaire des pipelines<\/li>\n\n\n\n<li>Emp\u00eache la formation de bulles et de poches d&#039;air<\/li>\n\n\n\n<li>Faible entretien<\/li>\n\n\n\n<li>Efficacit\u00e9 \u00e9nerg\u00e9tique<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Inconv\u00e9nients des vannes d&#039;air dans les conduites<\/h2>\n\n\n\n<p>Le contr\u00f4le de la pr\u00e9sence d\u2019air \u00e0 l\u2019int\u00e9rieur de la canalisation peut engendrer de graves probl\u00e8mes\u00a0:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>L&#039;imp\u00e9dance d&#039;\u00e9coulement dans les canalisations ou r\u00e9duction de la section efficace :<\/li>\n<\/ol>\n\n\n\n<p>Cela augmente les pertes d\u2019\u00e9nergie. Aussi, l\u2019alimentation en eau insuffisante des diff\u00e9rentes zones du syst\u00e8me est due \u00e0 l\u2019obstruction de l\u2019\u00e9coulement et \u00e0 l\u2019accumulation de pertes de charge localis\u00e9es.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>Lectures inexactes sur les jauges et les hydrom\u00e8tres.<\/li>\n\n\n\n<li>Dommages graves aux pi\u00e8ces rotatives internes des jauges.<\/li>\n\n\n\n<li>Approvisionnement en eau inad\u00e9quat en raison de lectures incorrectes des compteurs et des hydrom\u00e8tres.<\/li>\n\n\n\n<li>Probl\u00e8mes de corrosion et de cavitation.<\/li>\n<\/ol>\n\n\n\n<!-- Andy:h-related-tags -->\n<h2 id=\"h-related-tags\">Balises associ\u00e9es :<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/\">Soupape ZECO<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/produit\/manual-gate-valve\/\">Fabricant de robinets-vannes \u00e0 commande manuelle<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/the-function-of-globe-valve-in-pipeline-system.html\/\">Que sont les vannes \u00e0 soupape\u00a0?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/china-gate-valves-suppliersnon-rising-stem-gate-valvesks-gate-valves.html\/\">Qu'est-ce qu'un robinet-vanne ?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diff\u00e9rence entre la vanne \u00e0 vanne et la vanne papillon<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/the-difference-between-globe-valve-and-ball-valve.html\/\">Robinet \u00e0 soupape et robinet \u00e0 bille<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/tag\/shanghai-pressure-reducing-valve-factory\/\">Usine de soupapes de r\u00e9duction de pression de Shanghai<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/history-of-automatic-control-valve-zeco-valve-industrial-valve-manufacturer.html\/\">Que sont les vannes de r\u00e9gulation automatique ?<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Tous les syst\u00e8mes d&#039;approvisionnement en eau sont constitu\u00e9s de canalisations qui transportent l&#039;eau de sa source \u00e0 sa destination. Dans ce processus, des poches de prisonniers\u2026 <a title=\"Qu&#039;est-ce qu&#039;une vanne d&#039;air ? Types de vannes d&#039;air - Soupape de lib\u00e9ration d&#039;air\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/what-is-an-air-valve-air-valve-types-air-release-valve.html\" aria-label=\"Plus sur Qu&#039;est-ce qu&#039;une valve \u00e0 air ? Types de vannes d&#039;air - Soupape de lib\u00e9ration d&#039;air\">Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":16948,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2537,2554,2828,2827,2829],"class_list":["post-19523","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-air-release-valve","tag-air-valve","tag-air-valve-types","tag-air-vent-valve","tag-air-venting-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/air-valve.jpg",600,400,false],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/fr\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":2537,"name":"Air Release Valve","slug":"air-release-valve","term_group":0,"term_taxonomy_id":2537,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":2554,"name":"Air Valve","slug":"air-valve","term_group":0,"term_taxonomy_id":2554,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":2828,"name":"Air Valve Types","slug":"air-valve-types","term_group":0,"term_taxonomy_id":2828,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":2827,"name":"Air Vent Valve","slug":"air-vent-valve","term_group":0,"term_taxonomy_id":2827,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2829,"name":"Air Venting Valve","slug":"air-venting-valve","term_group":0,"term_taxonomy_id":2829,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2537,"label":"Air Release Valve"},{"value":2554,"label":"Air Valve"},{"value":2828,"label":"Air Valve Types"},{"value":2827,"label":"Air Vent Valve"},{"value":2829,"label":"Air Venting Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is an Air Valve ? Air Valve Types - Air Release Valve | ZECO Valve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/fr\/what-is-an-air-valve-air-valve-types-air-release-valve.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is an Air Valve ? Air Valve Types - Air Release Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"All water supply systems consist of pipes that transmit water from its source to its destination. In this process, pockets of trapped ... 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