{"id":3657,"date":"2024-07-29T12:40:07","date_gmt":"2024-07-29T12:40:07","guid":{"rendered":"https:\/\/sinovalveco.com\/?p=3657"},"modified":"2024-07-31T16:42:16","modified_gmt":"2024-07-31T16:42:16","slug":"high-pressure-gate-valve-application-and-troubleshooting","status":"publish","type":"post","link":"https:\/\/ntgdvalve.com\/fr\/high-pressure-gate-valve-application-and-troubleshooting\/","title":{"rendered":"Applications et d\u00e9pannage des robinets-vannes \u00e0 haute pression"},"content":{"rendered":"<p>Un robinet-vanne \u00e0 haute pression est un robinet \u00e0 haute r\u00e9sistance utilis\u00e9 dans des applications \u00e0 haute pression. La vanne fonctionne \u00e0 l'aide d'un disque qui se d\u00e9place vers le haut et vers le bas pour d\u00e9marrer et arr\u00eater l'\u00e9coulement du fluide. La vanne fonctionne \u00e0 l'aide d'un volant manuel ou d'actionneurs. Les actionneurs utilis\u00e9s dans cette vanne sont hydrauliques, \u00e9lectriques ou pneumatiques. Le principe de fonctionnement de la vanne actionn\u00e9e et de la vanne manuelle est le m\u00eame. La vanne est automatis\u00e9e avec des actionneurs lorsqu'un couple \u00e9lev\u00e9 est n\u00e9cessaire pour fonctionner. M\u00eame lorsqu'un faible couple est n\u00e9cessaire pour faire fonctionner la vanne, l'automatisation est \u00e9galement utilis\u00e9e pour am\u00e9liorer l'automatisation industrielle compl\u00e8te. La vanne n'est utilis\u00e9e que pour les applications d'arr\u00eat. L'utilisation du robinet pour l'\u00e9tranglement du d\u00e9bit endommage le disque du robinet ou entra\u00eene une \u00e9rosion rapide en raison de la pression et du d\u00e9bit \u00e9lev\u00e9s.<\/p>\n<p>Le fabricant de robinets-vannes \u00e0 haute pression produit diff\u00e9rents types de ces robinets, tels que les robinets-vannes \u00e0 coin, les robinets \u00e0 passage de conduit, les robinets \u00e0 commande \u00e9lectrique, les robinets \u00e0 commande pneumatique, etc. Cette vanne est utilis\u00e9e dans diff\u00e9rentes applications telles que l'approvisionnement en eau, les produits chimiques, le p\u00e9trole et la p\u00e9trochimie, le gaz et les centrales \u00e9lectriques. Les avantages de cette vanne sont le d\u00e9bit bidirectionnel, la polyvalence des applications, la faible chute de pression, la haute r\u00e9sistance et la fiabilit\u00e9.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\/high-pressure-gate-valve-application-and-troubleshooting\/#Applications_of_high-pressure_gate_valves\" >Applications des robinets-vannes \u00e0 haute pression\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ntgdvalve.com\/fr\/high-pressure-gate-valve-application-and-troubleshooting\/#Advantages_of_high-pressure_gate_valves\" >Avantages des robinets-vannes \u00e0 haute pression\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ntgdvalve.com\/fr\/high-pressure-gate-valve-application-and-troubleshooting\/#Disadvantages_of_high-pressure_gate_valves\" >Inconv\u00e9nients des robinets-vannes \u00e0 haute pression\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ntgdvalve.com\/fr\/high-pressure-gate-valve-application-and-troubleshooting\/#Troubleshooting_high-pressure_gate_valves\" >D\u00e9pannage des robinets-vannes \u00e0 haute pression\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ntgdvalve.com\/fr\/high-pressure-gate-valve-application-and-troubleshooting\/#Fluid_leakage_through_the_body_flanges\" >Fuite de produit par les brides du corps\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ntgdvalve.com\/fr\/high-pressure-gate-valve-application-and-troubleshooting\/#Fluid_leakage_between_the_bonnet_and_the_body\" >Fuite de liquide entre le capot et la carrosserie\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ntgdvalve.com\/fr\/high-pressure-gate-valve-application-and-troubleshooting\/#The_valve_is_hard_to_operate\" >Le robinet est difficile \u00e0 man\u0153uvrer\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ntgdvalve.com\/fr\/high-pressure-gate-valve-application-and-troubleshooting\/#The_valve_does_not_openclose_completely\" >La vanne ne s'ouvre\/se ferme pas compl\u00e8tement\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ntgdvalve.com\/fr\/high-pressure-gate-valve-application-and-troubleshooting\/#Fluid_leakage_through_the_stem\" >Fuite de liquide par la tige\u00a0<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Applications_of_high-pressure_gate_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Applications des robinets-vannes \u00e0 haute pression\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Ces vannes sont utilis\u00e9es dans les centrales thermiques pour contr\u00f4ler le d\u00e9bit de vapeur et d'eau \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es sans endommager les si\u00e8ges des vannes.<\/li>\n<li>Ils sont utilis\u00e9s pour l'approvisionnement en eau des municipalit\u00e9s sur de longues distances car ils ont une faible chute de pression.<\/li>\n<li>Les robinets-vannes \u00e0 haute pression sont utilis\u00e9s pour le transport du p\u00e9trole et des produits p\u00e9troliers.<\/li>\n<li>Les robinets-vannes \u00e0 haute pression sont utilis\u00e9s dans les usines de fabrication d'acier.<\/li>\n<li>Ils sont utilis\u00e9s pour alimenter les chaudi\u00e8res.<\/li>\n<li>Ils sont utilis\u00e9s dans les applications marines.<\/li>\n<li>Ils sont utilis\u00e9s pour le transport de produits chimiques et d'eau.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_of_high-pressure_gate_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Avantages des robinets-vannes \u00e0 haute pression\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Les robinets-vannes \u00e0 haute pression ont une faible chute de pression lorsqu'ils sont compl\u00e8tement ouverts. Cela permet d'\u00e9conomiser l'\u00e9nergie de pompage.<\/li>\n<li>Elles sont bidirectionnelles. Cette propri\u00e9t\u00e9 permet \u00e0 la vanne de transporter le fluide dans l'une ou l'autre direction du syst\u00e8me de tuyauterie.<\/li>\n<li>Ils sont tr\u00e8s r\u00e9sistants, ce qui leur permet de fonctionner \u00e0 des pressions et des temp\u00e9ratures \u00e9lev\u00e9es.<\/li>\n<li>Ces vannes sont polyvalentes car elles sont utilis\u00e9es dans de nombreuses applications industrielles.<\/li>\n<li>Ils sont exempts de fuites de liquide.<\/li>\n<li>Haute pression<a href=\"https:\/\/ntgdvalve.com\/fr\/gate-valve\/\"> vannes \u00e0 guillotine<\/a> sont tr\u00e8s fiables pour les flux de fluides en marche et \u00e0 l'arr\u00eat.<\/li>\n<li>Ils peuvent \u00eatre automatis\u00e9s ou fonctionner manuellement.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Disadvantages_of_high-pressure_gate_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>Inconv\u00e9nients des robinets-vannes \u00e0 haute pression\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Ces vannes ne sont pas recommand\u00e9es pour les applications d'\u00e9tranglement car le disque s'use rapidement ou est endommag\u00e9.<\/li>\n<li>La valve produit beaucoup de bruit et de vibrations lorsqu'elle est partiellement ouverte.<\/li>\n<li>Il faut plusieurs tours de volant pour l'ouvrir ou le fermer, contrairement aux robinets \u00e0 tournant sph\u00e9rique qui ne n\u00e9cessitent qu'un quart de tour.<\/li>\n<li>Les robinets-vannes \u00e0 haute pression n\u00e9cessitent une grande surface d'installation.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Troubleshooting_high-pressure_gate_valves\"><\/span><span style=\"font-size: 14pt; color: #0000ff;\"><strong>D\u00e9pannage des robinets-vannes \u00e0 haute pression\u00a0<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Fluid_leakage_through_the_body_flanges\"><\/span><strong><em>Fuite de produit par les brides du corps\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Boulons desserr\u00e9s. Serrez les boulons et les \u00e9crous au couple de serrage de l'appareil \u00e0 haute pression. <a href=\"https:\/\/ntgdvalve.com\/fr\/gate-valve\/\">fabricant de robinets-vannes<\/a> recommandent.<\/li>\n<li>Joint us\u00e9. Remplacer le joint.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Fluid_leakage_between_the_bonnet_and_the_body\"><\/span><strong><em>Fuite de liquide entre le capot et la carrosserie\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Joint us\u00e9. Remplacer le joint.<\/li>\n<li>Boulons desserr\u00e9s. Serrer les boulons.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"The_valve_is_hard_to_operate\"><\/span><strong><em>Le robinet est difficile \u00e0 man\u0153uvrer\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Des corps \u00e9trangers sont coinc\u00e9s dans la valve. D\u00e9montez la valve et nettoyez les particules solides.<\/li>\n<li>Tige endommag\u00e9e. Remplacer la tige.<\/li>\n<li>Si\u00e8ges us\u00e9s ou endommag\u00e9s. Remplacer les si\u00e8ges.<\/li>\n<li>D\u00e9salignement de la bride du presse-\u00e9toupe. R\u00e9aligner la bride du presse-\u00e9toupe.<\/li>\n<li>Le boulon du presse-\u00e9toupe est trop serr\u00e9. Desserrer le boulon du presse-\u00e9toupe.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"The_valve_does_not_openclose_completely\"><\/span><strong><em>La vanne ne s'ouvre\/se ferme pas compl\u00e8tement\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Pr\u00e9sence de corps \u00e9trangers dans la valve. D\u00e9monter la soupape et nettoyer les corps \u00e9trangers.<\/li>\n<li>Le filetage de la tige est us\u00e9 ou endommag\u00e9. Remplacer la tige.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Fluid_leakage_through_the_stem\"><\/span><strong><em>Fuite de liquide par la tige\u00a0<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Garniture us\u00e9e. Remplacer la garniture.<\/li>\n<li>Perte de la bride du fouloir. Serrer la bride du presse-\u00e9toupe.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>A high-pressure gate valve is a high-strength valve for use in high-pressure applications. The valve operates using a disc that [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3659,"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-3657","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\/3657","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/comments?post=3657"}],"version-history":[{"count":0,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/posts\/3657\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/media\/3659"}],"wp:attachment":[{"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/media?parent=3657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/categories?post=3657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/tags?post=3657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}