{"id":10734,"date":"2022-11-26T08:54:42","date_gmt":"2022-11-26T00:54:42","guid":{"rendered":"https:\/\/limegreen-okapi-448594.hostingersite.com\/?p=10734"},"modified":"2022-11-26T08:54:47","modified_gmt":"2022-11-26T00:54:47","slug":"valve-sealing-surface-material-selection-guide","status":"publish","type":"post","link":"https:\/\/raymonvalve.com\/fr\/blog\/valve-sealing-surface-material-selection-guide\/","title":{"rendered":"<strong>Guide de s\u00e9lection des mat\u00e9riaux de surface d'\u00e9tanch\u00e9it\u00e9 des vannes<\/strong>"},"content":{"rendered":"<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Mat\u00e9riau de la surface d'\u00e9tanch\u00e9it\u00e9 de la vanne<\/strong><\/h2>\n\n\n\n<p>La s\u00e9lection du mat\u00e9riau de la surface d'\u00e9tanch\u00e9it\u00e9 joue un r\u00f4le tr\u00e8s critique dans un large \u00e9ventail d'industries de transformation, notamment le raffinage, la chimie et le papier. La surface d'\u00e9tanch\u00e9it\u00e9 est la surface tr\u00e8s critique de la vanne. La qualit\u00e9 de la surface d'\u00e9tanch\u00e9it\u00e9 affecte directement la dur\u00e9e de vie de la vanne. Le mat\u00e9riau de la surface d'\u00e9tanch\u00e9it\u00e9 de la vanne est une partie tr\u00e8s importante pour v\u00e9rifier la qualit\u00e9 de la surface d'\u00e9tanch\u00e9it\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Guide de s\u00e9lection des mat\u00e9riaux de surface d'\u00e9tanch\u00e9it\u00e9 des vannes<\/strong><\/h2>\n\n\n\n<p>Le mat\u00e9riau de surface d'\u00e9tanch\u00e9it\u00e9 du guide de s\u00e9lection est en fait la surface tr\u00e8s critique de la vanne. La qualit\u00e9 du mat\u00e9riau d'\u00e9tanch\u00e9it\u00e9 affecte la dur\u00e9e de vie des vannes. Le mat\u00e9riau d'\u00e9tanch\u00e9it\u00e9 est en fait un facteur tr\u00e8s important pour garantir le maintien de la qualit\u00e9 de la surface d'\u00e9tanch\u00e9it\u00e9. Vous trouverez ci-dessous les facteurs \u00e0 prendre en compte lors de la s\u00e9lection des mat\u00e9riaux pour la surface d'\u00e9tanch\u00e9it\u00e9 de diff\u00e9rents types de vannes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1.<\/strong> &nbsp; <strong>R\u00e9sistant \u00e0 la corrosion<\/strong><\/h3>\n\n\n\n<p>La corrosion est le processus par lequel la surface d'\u00e9tanch\u00e9it\u00e9 est endommag\u00e9e. Elle est sous l'effet du fluide. Si la surface d'\u00e9tanch\u00e9it\u00e9 de la vanne est endommag\u00e9e, la performance d'\u00e9tanch\u00e9it\u00e9 n'est pas garantie. Bien que la surface d'\u00e9tanch\u00e9it\u00e9 de la vanne doive \u00eatre r\u00e9sistante \u00e0 la corrosion. La r\u00e9sistance \u00e0 la corrosion de la surface d'\u00e9tanch\u00e9it\u00e9 de la vanne d\u00e9pend de la composition de sa stabilit\u00e9 chimique et des mat\u00e9riaux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.<\/strong> &nbsp; <strong>Anti-abrasion<\/strong><\/h3>\n\n\n\n<p>L'abrasion est le dommage caus\u00e9 par le frottement des mat\u00e9riaux lors du mouvement relatif. Cela se produit \u00e0 travers la surface d'\u00e9tanch\u00e9it\u00e9 du mat\u00e9riau. Ce type de dommage entra\u00eene in\u00e9vitablement des dommages \u00e0 la surface d'\u00e9tanch\u00e9it\u00e9 de la vanne. Les mat\u00e9riaux de surface d'\u00e9tanch\u00e9it\u00e9 des vannes ont de bonnes performances anti-abrasion, principalement pour les vannes \u00e0 opercule. Le mat\u00e9riau r\u00e9sistant \u00e0 l'abrasion est principalement d\u00e9termin\u00e9 par la nature interne du mat\u00e9riau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.<\/strong> &nbsp; <strong>R\u00e9sistant \u00e0 l'\u00e9rosion<\/strong><\/h3>\n\n\n\n<p>L'\u00e9rosion est le processus par lequel une surface d'\u00e9tanch\u00e9it\u00e9 de vanne est endommag\u00e9e. Elle est endommag\u00e9e lorsque le fluide s'\u00e9coule \u00e0 travers la surface d'\u00e9tanch\u00e9it\u00e9 de la vanne \u00e0 tr\u00e8s grande vitesse. Ce type de dommage est plus \u00e9vident dans les vannes de r\u00e9gulation et les vannes de s\u00e9curit\u00e9. Il est utilis\u00e9 dans un fluide \u00e0 haute pression et haute temp\u00e9rature. Son impact sur les surfaces d'\u00e9tanch\u00e9it\u00e9 et les performances des vannes est tr\u00e8s important. \u00catre r\u00e9sistant \u00e0 l'\u00e9rosion est \u00e9galement l'une des exigences les plus importantes du mat\u00e9riau de surface d'\u00e9tanch\u00e9it\u00e9 de la vanne.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4.<\/strong> &nbsp; <strong>Un certain degr\u00e9 de duret\u00e9 est requis<\/strong><\/h3>\n\n\n\n<p>Le coefficient de dilatation lin\u00e9aire de la surface d'\u00e9tanch\u00e9it\u00e9 et du mat\u00e9riau de masse est le m\u00eame. C'est tr\u00e8s important pour la structure de la bague de surface d'\u00e9tanch\u00e9it\u00e9 de la vanne. Il est tr\u00e8s utile pour \u00e9viter le desserrage \u00e0 haute temp\u00e9rature et les contraintes suppl\u00e9mentaires. Lorsqu'elle est utilis\u00e9e dans des conditions de haute temp\u00e9rature, elle est suffisamment r\u00e9sistante \u00e0 l'oxydation, aux cycles thermiques et \u00e0 la fatigue thermique.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p>Les surfaces d'\u00e9tanch\u00e9it\u00e9 des vannes peuvent \u00eatre endommag\u00e9es par de nombreux moyens, tels que des dommages d'origine humaine et naturelle. Dans toutes sortes de circonstances et dans le guide de s\u00e9lection, il est tr\u00e8s difficile de trouver des surfaces d'\u00e9tanch\u00e9it\u00e9 de vannes r\u00e9pondant \u00e0 toutes les exigences ci-dessus. Par cons\u00e9quent, les gens ne peuvent se concentrer que sur la satisfaction des exigences sp\u00e9cifiques \u00e0 travers les diff\u00e9rentes utilisations et les diff\u00e9rents types de vannes. Pour tout cela, nous devons pr\u00eater attention \u00e0 l'exigence de r\u00e9sistance \u00e0 la corrosion de la surface d'\u00e9tanch\u00e9it\u00e9 de la vanne dans un milieu \u00e0 haute vitesse.<\/p>","protected":false},"excerpt":{"rendered":"<p>Valve sealing surface material Valve sealing surface material plays a very critical role in the wide [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7558,"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-10734","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\/10734","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=10734"}],"version-history":[{"count":1,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/posts\/10734\/revisions"}],"predecessor-version":[{"id":10735,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/posts\/10734\/revisions\/10735"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/media\/7558"}],"wp:attachment":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/media?parent=10734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/categories?post=10734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/tags?post=10734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}