{"id":6940,"date":"2022-10-04T09:23:23","date_gmt":"2022-10-04T01:23:23","guid":{"rendered":"https:\/\/limegreen-okapi-448594.hostingersite.com\/?p=6940"},"modified":"2022-10-26T15:05:30","modified_gmt":"2022-10-26T07:05:30","slug":"gate-valve-types","status":"publish","type":"post","link":"https:\/\/raymonvalve.com\/fr\/blog\/gate-valve-types\/","title":{"rendered":"Types de vannes \u00e0 opercule"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-are-gate-valves\"><strong>Que sont les vannes \u00e0 opercule ?<\/strong><\/h2>\n\n\n\n<p>Une vanne \u00e0 opercule est une vanne \u00e0 mouvement lin\u00e9aire qui poss\u00e8de un disque rectangulaire ou circulaire qui glisse sur l'ouverture pour arr\u00eater le d\u00e9bit. Elle agit comme une porte et est g\u00e9n\u00e9ralement utilis\u00e9e \u00e0 des fins d'isolement, \u00e9tant compl\u00e8tement ferm\u00e9e ou ouverte. Ces vannes \u00e0 opercule ne sont pas beaucoup utilis\u00e9es pour la r\u00e9gulation de d\u00e9bit car le flux \u00e0 haute vitesse qu'elles g\u00e9n\u00e8rent, lorsqu'elles sont partiellement ouvertes, peut provoquer des vibrations et de l'\u00e9rosion sur le disque et la surface d'\u00e9tanch\u00e9it\u00e9.<\/p>\n\n\n\n<p>A <a href=\"https:\/\/limegreen-okapi-448594.hostingersite.com\/gate-valves\/\" rel=\"nofollow noopener\" target=\"_blank\">Vanne \u00e0 opercule<\/a> est \u00e9galement connue sous le nom de vanne \u00e0 vanne, qui ouvre des barri\u00e8res de levage hors du chemin du fluide. Les vannes \u00e0 opercule n\u00e9cessitent tr\u00e8s peu d'espace le long de la tuyauterie et arr\u00eatent \u00e0 peine le flux de fluide lorsque la porte est ouverte.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-types-of-gate-valves\"><strong>Types de vannes \u00e0 opercule<\/strong><\/h2>\n\n\n\n<p>Les vannes \u00e0 opercule sont divis\u00e9es en plusieurs classes en fonction du type de tige et des disques. Les types de vannes \u00e0 opercule sont les suivants :<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-parallel-disk-gate-valve\"><strong>1.<\/strong> &nbsp; <strong>Vanne \u00e0 opercule \u00e0 disque parall\u00e8le<\/strong><\/h3>\n\n\n\n<p>Les vannes \u00e0 opercule \u00e0 disque parall\u00e8le contiennent 2 disques qui sont forc\u00e9s l'un contre l'autre et contre les si\u00e8ges parall\u00e8les par des ressorts aux points de fermeture. Le type le plus connu de vanne \u00e0 disque parall\u00e8le est la vanne \u00e0 couteau, qui contient un opercule plat entre 2 si\u00e8ges parall\u00e8les. Le disque parall\u00e8le <a href=\"https:\/\/limegreen-okapi-448594.hostingersite.com\/application-fields-of-ten-kinds-of-valves\/\" rel=\"nofollow noopener\" target=\"_blank\">application de vanne<\/a> est limit\u00e9e aux faibles pertes de charge et autres basses pressions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-solid-wedge-gate-valve\"><strong>2.<\/strong> &nbsp; <strong>Vanne \u00e0 opercule \u00e0 coin plein<\/strong><\/h3>\n\n\n\n<p>La vanne \u00e0 opercule \u00e0 coin plein est le type de vanne le plus utilis\u00e9 et le moins cher de l'industrie des vannes. Elle est utilis\u00e9e dans les proc\u00e9d\u00e9s pour les services de gaz, de p\u00e9trole et d'air. La principale raison de la forme en coin de la vanne est d'introduire des charges d'\u00e9tanch\u00e9it\u00e9 suppl\u00e9mentaires \u00e9lev\u00e9es. Les vannes \u00e0 opercule \u00e0 coin plein peuvent \u00eatre install\u00e9es dans toutes sortes de positions, ce qui convient aux services pratiques et aux flux de fluides.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-flexible-wedge-gate-valve\"><strong>3.<\/strong> &nbsp; <strong>Vanne \u00e0 opercule \u00e0 coin flexible<\/strong><\/h3>\n\n\n\n<p>Les vannes \u00e0 opercule \u00e0 coin flexible poss\u00e8dent un design de coin flexible qui est un disque monobloc avec une d\u00e9coupe sur le p\u00e9rim\u00e8tre. La d\u00e9coupe varie en forme, en taille et en profondeur. La contraction et la dilatation thermiques ne posent aucun probl\u00e8me dans ce type de vannes \u00e0 opercule car le disque peut compenser et il est tr\u00e8s facile \u00e0 ouvrir. Les vannes \u00e0 opercule \u00e0 coin flexible sont principalement utilis\u00e9es dans les syst\u00e8mes \u00e0 vapeur pour les prot\u00e9ger du blocage thermique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-split-wedge-gate-valve\"><strong>4.<\/strong> &nbsp; <strong>Vanne \u00e0 opercule \u00e0 coin fendu<\/strong><\/h3>\n\n\n\n<p>Les vannes \u00e0 opercule \u00e0 coin fendu sont compos\u00e9es de 2 demi-disques s\u00e9par\u00e9s. Cela permet aux angles du coin de s'ajuster entre leurs faces externes pour s'adapter aux si\u00e8ges auto-aligneurs et auto-r\u00e9glables.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-5-double-disc-valves\"><strong>5.<\/strong> &nbsp; <strong>Vannes \u00e0 double disque<\/strong><\/h3>\n\n\n\n<p>Dans les vannes \u00e0 double disque, l'opercule est form\u00e9 de 2 disques qui sont forc\u00e9s contre des si\u00e8ges parall\u00e8les par le ressort. Ce type de <a href=\"https:\/\/limegreen-okapi-448594.hostingersite.com\/valve-sealing-surface-material\/\" rel=\"nofollow noopener\" target=\"_blank\">la vanne assure une \u00e9tanch\u00e9it\u00e9 parfaite<\/a> sans m\u00eame d\u00e9pendre de la pression. Cela rend ce type de vanne adapt\u00e9 aux applications de tige ainsi qu'aux huiles l\u00e9g\u00e8res et \u00e0 la manipulation de gaz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-6-bellows-seal-gate-valve\"><strong>6.<\/strong> &nbsp; <strong>Vanne \u00e0 opercule \u00e0 soufflet<\/strong><\/h3>\n\n\n\n<p>Les vannes \u00e0 opercule \u00e0 soufflet sont con\u00e7ues pour minimiser l'exposition aux substances nocives par les fuites de la tige de vanne. Le soufflet est le dispositif m\u00e9tallique capable d'assurer l'\u00e9tanch\u00e9it\u00e9 entre la tige de vanne et le chapeau pour \u00e9viter les \u00e9chappements. Le soufflet utilise des ondulations qui se d\u00e9placent lin\u00e9airement.<\/p>","protected":false},"excerpt":{"rendered":"<p>What are Gate valves? A gate valve is a linear motion that has a rectangular and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5639,"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":"default","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":[325,1],"tags":[],"class_list":["post-6940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate-valves","category-news"],"_links":{"self":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/posts\/6940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/comments?post=6940"}],"version-history":[{"count":2,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/posts\/6940\/revisions"}],"predecessor-version":[{"id":8982,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/posts\/6940\/revisions\/8982"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/media\/5639"}],"wp:attachment":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/media?parent=6940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/categories?post=6940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/tags?post=6940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}