{"id":10760,"date":"2022-12-03T15:58:07","date_gmt":"2022-12-03T07:58:07","guid":{"rendered":"https:\/\/limegreen-okapi-448594.hostingersite.com\/?p=10760"},"modified":"2022-12-03T15:58:11","modified_gmt":"2022-12-03T07:58:11","slug":"how-to-choose-valve-packing-material","status":"publish","type":"post","link":"https:\/\/raymonvalve.com\/fr\/blog\/how-to-choose-valve-packing-material\/","title":{"rendered":"Comment choisir le mat\u00e9riau de garniture de vanne"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Qu'est-ce qu'une garniture de vanne ?<\/strong><\/h2>\n\n\n\n<p>Le type de vanne concerne toutes les vannes de r\u00e9gulation actionn\u00e9es par tige. Il n\u00e9cessite une forme de joint qui permet le mouvement de la tige par des dispositifs externes. Cela se produit tout en assurant l'\u00e9tanch\u00e9it\u00e9 du fluide afin qu'aucune fuite ne se produise entre le corps de la vanne et la tige en mouvement. La garniture est le terme g\u00e9n\u00e9ral de ce m\u00e9canisme d'\u00e9tanch\u00e9it\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Choix du mat\u00e9riau de garniture de vanne<\/strong><\/h2>\n\n\n\n<p>Il existe deux types de mat\u00e9riaux de garniture de vanne et le mat\u00e9riau de garniture le plus utilis\u00e9 est la garniture en PTFE. Elle peut \u00e9galement \u00eatre utilis\u00e9e vierge et charg\u00e9e avec d'autres mat\u00e9riaux tels que le carbone, la silice et la fibre de verre. L'autre mat\u00e9riau d'emballage de vanne est la garniture en graphite, qui peut r\u00e9sister \u00e0 des pressions de temp\u00e9rature \u00e9lev\u00e9es allant jusqu'\u00e0 1000 degr\u00e9s.<\/p>\n\n\n\n<p>Le mat\u00e9riau de la vanne et son mat\u00e9riau de garniture sont effectivement install\u00e9s entre la bo\u00eete \u00e0 garniture et le mat\u00e9riau de la vanne, ce qui aide \u00e0 pr\u00e9venir les fuites externes. Il existe de nombreux types de mat\u00e9riaux de garniture de vanne tels que les garnitures en graphite flexible, les garnitures en fibre v\u00e9g\u00e9tale, les garnitures de vanne en PTFE, les garnitures en caoutchouc, les garnitures en fibre de carbone, les garnitures de vanne en m\u00e9tal et en caoutchouc, et bien d'autres.<\/p>\n\n\n\n<p>Pour information, les mat\u00e9riaux de garniture de vanne sont en r\u00e9alit\u00e9 du graphite flexible et du PTFE, et il est \u00e9galement \u00e0 noter que les bo\u00eetes de garniture n\u00e9cessitent de la rugosit\u00e9 et de la pr\u00e9cision. Les dimensions de la surface de la tige et leur pr\u00e9cision affectent \u00e9galement les performances d'\u00e9tanch\u00e9it\u00e9 de la garniture.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Comment r\u00e9aliser la garniture de vanne ?<\/strong><\/h2>\n\n\n\n<p>La garniture de vanne doit \u00eatre r\u00e9alis\u00e9e correctement. Cela signifie qu'elle doit \u00eatre correctement comprim\u00e9e. En faisant cela, nous pouvons pr\u00e9venir la perte de fluide et aider \u00e0 ne pas endommager la tige du fluide. Si la garniture de la vanne est trop l\u00e2che, la vanne fuit et cela affecte sa s\u00e9curit\u00e9. Mais si la garniture de la vanne est trop serr\u00e9e, elle endommage la tige.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Importance de la garniture de vanne<\/strong><\/h2>\n\n\n\n<p>La garniture de vanne permet \u00e0 la tige de passer dans le corps de la vanne. Elle le fait sans perte de fluide ni de pression. La garniture de la vanne agit comme un joint dynamique entre le chapeau et la tige de la vanne. Cette garniture de vanne est utilis\u00e9e pour la plupart des vannes afin d'\u00e9viter les fuites dans les espaces entre le chapeau et la tige de la vanne. La garniture de vanne est g\u00e9n\u00e9ralement r\u00e9alis\u00e9e avec des mat\u00e9riaux fibreux tels que le T\u00e9flon et le chanvre. Elle forme le joint entre les pi\u00e8ces internes de la vanne et l'ext\u00e9rieur de la tige.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Exigences pour le mat\u00e9riau de garniture de vanne<\/strong><\/h2>\n\n\n\n<p>Les principales exigences pour le mat\u00e9riau de garniture de vanne incluent :<\/p>\n\n\n\n<p>1. Le mat\u00e9riau de garniture de vanne id\u00e9al doit \u00eatre \u00e9lastique et d\u00e9formable<\/p>\n\n\n\n<p>2. Il doit \u00eatre chimiquement inerte<\/p>\n\n\n\n<p>3. Durabilit\u00e9<\/p>\n\n\n\n<p>4. Il est tr\u00e8s utile pour r\u00e9sister \u00e0 la temp\u00e9rature et \u00e0 la haute pression.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Avantages du mat\u00e9riau de garniture de vanne<\/strong><\/h2>\n\n\n\n<p><strong>1.<\/strong> &nbsp; Le principal avantage du mat\u00e9riau de garniture de vanne est qu'il aide \u00e0 pr\u00e9venir les fuites de fluide<\/p>\n\n\n\n<p><strong>2.<\/strong> &nbsp; Il aide \u00e9galement \u00e0 emp\u00eacher la salet\u00e9 ou toute autre chose d'entrer dans le fluide<\/p>\n\n\n\n<p><strong>3.<\/strong> &nbsp; Les presse-\u00e9toupes peuvent \u00eatre utilis\u00e9s pour l'\u00e9tanch\u00e9it\u00e9 de la tige. Cela inclut \u00e9galement de nombreux types de vannes tels que les vannes \u00e0 soupape, les vannes \u00e0 boisseau sph\u00e9rique et les vannes \u00e0 opercule.<\/p>","protected":false},"excerpt":{"rendered":"<p>What is valve packing? The valve type is all stem actuated control valves. It requires some [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7582,"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":[1],"tags":[],"class_list":["post-10760","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/posts\/10760","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=10760"}],"version-history":[{"count":1,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/posts\/10760\/revisions"}],"predecessor-version":[{"id":10761,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/posts\/10760\/revisions\/10761"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/media\/7582"}],"wp:attachment":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/media?parent=10760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/categories?post=10760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/tags?post=10760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}