{"id":3888,"date":"2024-07-29T12:40:07","date_gmt":"2024-07-29T12:40:07","guid":{"rendered":"https:\/\/sinovalveco.com\/?p=3888"},"modified":"2024-08-25T15:40:40","modified_gmt":"2024-08-25T15:40:40","slug":"whats-the-main-parts-of-control-valve","status":"publish","type":"post","link":"https:\/\/ntgdvalve.com\/fr\/whats-the-main-parts-of-control-valve\/","title":{"rendered":"Quelles sont les principales parties de la vanne de contr\u00f4le ?"},"content":{"rendered":"<p><span style=\"font-size: 14pt;\">Les vannes de r\u00e9gulation se composent g\u00e9n\u00e9ralement de trois parties principales : le corps de la vanne, l'actionneur et les accessoires. Le fluide entre dans le corps de la vanne par l'entr\u00e9e et sort par la sortie. L'actionneur contr\u00f4le le fonctionnement de la vanne, en r\u00e9gulant le d\u00e9bit et la vitesse du fluide. Les accessoires sont utilis\u00e9s avec l'actionneur pour r\u00e9pondre \u00e0 diverses exigences en mati\u00e8re de contr\u00f4le et de surveillance.<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-3889 aligncenter\" src=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-scaled.jpg\" alt=\"Quelles sont les principales parties d&#039;une vanne de contr\u00f4le ?\" width=\"450\" height=\"351\" srcset=\"https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-scaled.jpg 2560w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-scaled-600x468.jpg 600w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-768x599.jpg 768w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-1536x1198.jpg 1536w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-2048x1597.jpg 2048w, https:\/\/ntgdvalve.com\/wp-content\/uploads\/2024\/03\/What-is-the-main-parts-of-control-valve-15x12.jpg 15w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0a0a0a;color:#0a0a0a\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0a0a0a;color:#0a0a0a\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ntgdvalve.com\/fr\/whats-the-main-parts-of-control-valve\/#Valve_Body\" >Corps de vanne<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ntgdvalve.com\/fr\/whats-the-main-parts-of-control-valve\/#Seat\" >Si\u00e8ge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ntgdvalve.com\/fr\/whats-the-main-parts-of-control-valve\/#Valve_Plug\" >Bouchon de valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ntgdvalve.com\/fr\/whats-the-main-parts-of-control-valve\/#Stem\" >Tige<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ntgdvalve.com\/fr\/whats-the-main-parts-of-control-valve\/#Actuator\" >Actionneur<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ntgdvalve.com\/fr\/whats-the-main-parts-of-control-valve\/#Accessories\" >Accessoires<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Valve_Body\"><\/span><span style=\"color: #000080;\">Corps de vanne<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">Le corps d'une vanne de r\u00e9gulation est con\u00e7u pour r\u00e9sister \u00e0 la pression du fluide et n\u00e9cessite des mat\u00e9riaux suffisamment r\u00e9sistants. Les mat\u00e9riaux courants sont la fonte, l'acier moul\u00e9, l'acier inoxydable et l'acier alli\u00e9. Le choix des mat\u00e9riaux d\u00e9pend de facteurs tels que la pression du fluide et la temp\u00e9rature de conception. La conception du passage du corps de la vanne suit les principes de la dynamique des fluides afin de minimiser les pertes de d\u00e9bit.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">Les vannes de contr\u00f4le sont disponibles dans diff\u00e9rents types de corps de vanne, tels que les configurations \u00e0 si\u00e8ge unique, \u00e0 double si\u00e8ge, \u00e0 angle et \u00e0 cage. Le choix du type de vanne appropri\u00e9 d\u00e9pend des exigences sp\u00e9cifiques du processus et des conditions de fonctionnement. Outre l'enveloppe, les composants internes du corps de vanne comprennent le si\u00e8ge de vanne, le clapet de vanne et la tige.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Seat\"><\/span><span style=\"color: #000080;\">Si\u00e8ge<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">Le si\u00e8ge est un \u00e9l\u00e9ment d'\u00e9tanch\u00e9it\u00e9 crucial du corps de la vanne, n\u00e9cessitant un mat\u00e9riau de haute duret\u00e9 pour assurer l'\u00e9tanch\u00e9it\u00e9 avec le clapet de la vanne. Les mat\u00e9riaux les plus courants sont les alliages durs. Toute usure ou d\u00e9t\u00e9rioration de la surface d'\u00e9tanch\u00e9it\u00e9 du si\u00e8ge peut entra\u00eener une fuite de fluide lorsqu'il est ferm\u00e9, d'o\u00f9 la n\u00e9cessit\u00e9 d'une protection ad\u00e9quate pendant l'utilisation.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Valve_Plug\"><\/span><span style=\"color: #000080;\">Bouchon de valve<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">La structure des clapets de vanne varie en fonction du type de vanne de r\u00e9gulation : clapet, disque et sph\u00e8re. Les performances du clapet influencent directement la r\u00e9gulation du d\u00e9bit et l'efficacit\u00e9 du contr\u00f4le. Les obturateurs sont g\u00e9n\u00e9ralement fabriqu\u00e9s dans des mat\u00e9riaux r\u00e9sistants \u00e0 l'usure et \u00e0 la corrosion, dont les propri\u00e9t\u00e9s sont \u00e9quivalentes ou sup\u00e9rieures \u00e0 celles du corps de la vanne.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">Le clapet et le si\u00e8ge forment le couple d'\u00e9tanch\u00e9it\u00e9 de la soupape, l'ajustement serr\u00e9 d\u00e9terminant l'interception du fluide et la fermeture de la soupape. Le degr\u00e9 d'ouverture du clapet et du si\u00e8ge de la soupape contr\u00f4le le d\u00e9bit.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Stem\"><\/span><span style=\"color: #000080;\">Tige<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 14pt;\">La tige relie le servomoteur au clapet de vanne, permettant au servomoteur de contr\u00f4ler la position d'ouverture du clapet. Les tiges peuvent avoir un mouvement lin\u00e9aire ou rotatif, les tiges lin\u00e9aires \u00e9tant adapt\u00e9es aux r\u00e9glages pr\u00e9cis et les tiges rotatives \u00e0 la r\u00e9gulation du d\u00e9bit sur une large plage.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Actuator\"><\/span><span style=\"color: #000080;\">Actionneur<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">Les actionneurs commandent les fonctions d'ouverture, de fermeture et de r\u00e9glage de la vanne. Les types les plus courants sont les actionneurs pneumatiques, \u00e9lectriques et hydrauliques, les actionneurs pneumatiques \u00e9tant les plus r\u00e9pandus en raison de leur simplicit\u00e9 et de leur rentabilit\u00e9.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Accessories\"><\/span><span style=\"color: #000080;\">Accessoires<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 14pt;\">Les accessoires compl\u00e8tent l'actionneur et am\u00e9liorent la fonctionnalit\u00e9 de la vanne. Ils comprennent les positionneurs, les mainteneurs de position, les filtres r\u00e9gulateurs, les amplificateurs et les \u00e9lectrovannes.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt;\"><span style=\"color: #000080;\"><strong>Positionneur :<\/strong><\/span> D\u00e9tecte et contr\u00f4le l'ouverture de la vanne, en fournissant un retour d'information au syst\u00e8me de contr\u00f4le. Il existe des variantes pneumatiques, \u00e9lectriques et intelligentes.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\"><span style=\"color: #000080;\"><strong>Responsable du poste :<\/strong> <\/span>Maintient automatiquement la position de la vanne lorsque la pression de la source est interrompue.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\"><strong><span style=\"color: #000080;\">Filtre r\u00e9gulateur :<\/span> <\/strong>\u00c9limine les impuret\u00e9s de la voie principale du gaz et stabilise la pression de l'air.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\"><span style=\"color: #000080;\"><strong>Booster :<\/strong> <\/span>Amplifie la tension de sortie du positionneur, acc\u00e9l\u00e9rant ainsi la vitesse d'action de la vanne.<\/span><\/li>\n<li><span style=\"font-size: 14pt;\"><span style=\"color: #000080;\">\u00c9lectrovanne :<\/span> Contr\u00f4le la direction du noyau de la vanne en utilisant l'attraction \u00e9lectromagn\u00e9tique pour la commutation des positions.<\/span><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Control valves typically consist of three main parts: the valve body, the actuator, and accessories. The medium flows into the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3890,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","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":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","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":[45],"tags":[],"class_list":["post-3888","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/posts\/3888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/comments?post=3888"}],"version-history":[{"count":0,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/posts\/3888\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/media\/3890"}],"wp:attachment":[{"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/media?parent=3888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/categories?post=3888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/tags?post=3888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}