{"id":2855,"date":"2018-03-07T00:00:00","date_gmt":"2018-03-06T23:00:00","guid":{"rendered":"https:\/\/epidor.com\/tipologia-juntas-planas-para-valvulas\/"},"modified":"2025-05-05T12:13:07","modified_gmt":"2025-05-05T10:13:07","slug":"typologie-joints-plats-pour-vannes","status":"publish","type":"post","link":"https:\/\/epidor.com\/fr\/blog\/tipologia-juntas-planas-para-valvulas\/","title":{"rendered":"Types de joints plats pour vannes"},"content":{"rendered":"<div id=\"pl-6683\"  class=\"panel-layout\" >\n<div id=\"pg-6683-0\"  class=\"panel-grid panel-no-style\"  data-style=\"{&quot;background_display&quot;:&quot;tile&quot;,&quot;lsow_dark_bg&quot;:&quot;&quot;,&quot;iw-visible-screen&quot;:&quot;iw-all&quot;,&quot;iw-visible-layout&quot;:&quot;iw-all&quot;}\" >\n<div id=\"pgc-6683-0-0\"  class=\"panel-grid-cell panel-grid-cell-empty\"  data-weight=\"0.050223083650106\" ><\/div>\n<div id=\"pgc-6683-0-1\"  class=\"panel-grid-cell panel-grid-cell-mobile-last\"  data-weight=\"0.89956672932203\" >\n<div id=\"panel-6683-0-1-0\" class=\"so-panel widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" data-style=\"{&quot;background_display&quot;:&quot;tile&quot;,&quot;animation_offset&quot;:&quot;10&quot;,&quot;animation_iteration&quot;:&quot;1&quot;,&quot;sticky_type&quot;:&quot;no&quot;,&quot;sticky_spacer&quot;:&quot;false&quot;,&quot;iw-visible-screen&quot;:&quot;iw-all&quot;,&quot;iw-visible-layout&quot;:&quot;iw-all&quot;}\" >\n<div data-sticky-spacer=\"false\" class=\"panel-widget-style panel-widget-style-for-6683-0-1-0\" >\n<div class=\"so-widget-sow-editor so-widget-sow-editor-base\">\n<div class=\"siteorigin-widget-tinymce textwidget\">\n<p><span style=\"font-weight: 400;\">Notre nouvel article conclut la s\u00e9rie des <\/span><b>solutions d'\u00e9tanch\u00e9it\u00e9 pour les vannes <\/b><span style=\"font-weight: 400;\">et compl\u00e8te celles d\u00e9j\u00e0 publi\u00e9es sur notre blog <\/span><a href=\"https:\/\/epidor-srt.com\/blog\/algunas-soluciones-de-estanqueidad-en-valvulas\/\"><b><span style=\"color: red;\">\u201cQuelques solutions d'\u00e9tanch\u00e9it\u00e9 pour les vannes\u201d.\u201d<\/span><\/b><\/a><span style=\"font-weight: 400;\">,\u00a0<\/span><a href=\"https:\/\/epidor-srt.com\/blog\/juntas-toricas-certificadas-para-valvulas\/\"><b><span style=\"color: red;\">\u201cJoints toriques certifi\u00e9s pour vannes\u201c.\u201c <\/span><\/b><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/epidor-srt.com\/blog\/elastomeros-resistentes-ante-fluidos-agresivos-en-valvulas\/\"><b><span style=\"color: red;\">\u201cElastom\u00e8res r\u00e9sistants aux fluides agressifs dans les vannes\u201d.\u201d<\/span><\/b><\/a><span style=\"font-weight: 400;\">\u00a0 y <\/span><a href=\"https:\/\/epidor-srt.com\/blog\/materiales-recomendados-para-asientos-de-valvula\/\"><b><span style=\"color: red;\">\u201cMat\u00e9riaux d'\u00e9tanch\u00e9it\u00e9 recommand\u00e9s pour les si\u00e8ges de soupapes\u201d.\u201d<\/span><\/b><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dans l'article d'aujourd'hui, nous examinons de plus pr\u00e8s un autre aspect des soupapes, \u00e0 savoir les options disponibles pour les soupapes. <\/span><b>des joints plats doivent \u00eatre install\u00e9s sur les robinets \u00e0 double corps et entre la tige et le volant.<\/b><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-left counter-flat ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Index<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/epidor.com\/fr\/blog\/tipologia-juntas-planas-para-valvulas\/#Materiales_de_juntas_planas_para_valvulas\" >Mat\u00e9riaux des joints de soupapes<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/epidor.com\/fr\/blog\/tipologia-juntas-planas-para-valvulas\/#Juntas_planas_de_grafito\" >Joints en graphite<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/epidor.com\/fr\/blog\/tipologia-juntas-planas-para-valvulas\/#Juntas_planas_de_PTPE\" >Joints plats en PTPE<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/epidor.com\/fr\/blog\/tipologia-juntas-planas-para-valvulas\/#Juntas_planas_en_acero_inoxidable_o_aleaciones_en_base_niquel\" >Joints plats en acier inoxydable ou en alliages \u00e0 base de nickel<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Materiales_de_juntas_planas_para_valvulas\"><\/span><span style=\"font-weight: 400;\">Mat\u00e9riaux des joints de soupapes<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Les conditions de fonctionnement de la vanne, principalement le fluide de traitement et la temp\u00e9rature, limitent le choix des mat\u00e9riaux pour les joints plats. Les mat\u00e9riaux les plus couramment utilis\u00e9s sont <\/span><b>graphite<\/b><span style=\"font-weight: 400;\">, <\/span><b>PTFE<\/b><span style=\"font-weight: 400;\">, <strong>les aciers inoxydables ou les alliages \u00e0 base de nickel. <\/strong><\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Juntas_planas_de_grafito\"><\/span><span style=\"font-weight: 400;\">Joints en graphite<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Le <\/span><b>graphite<\/b><span style=\"font-weight: 400;\"> pr\u00e9sente les avantages suivants :<\/span><\/p>\n<ul>\n<li><b>Prix abordable<\/b><\/li>\n<li style=\"font-weight: 400;\"><b>Jusqu'\u00e0 450\u00b0C pour les fluides et la vapeur<\/b><span style=\"font-weight: 400;\">, la temp\u00e9rature maximale est de 650\u00ba C. <\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Toutefois, cela soul\u00e8ve le probl\u00e8me suivant <\/span><b>n'a pas une bonne r\u00e9sistance chimique<\/b><span style=\"font-weight: 400;\"> contre les milieux oxydants et peut adh\u00e9rer \u00e0 son bo\u00eetier, <strong>rendre difficile l'entretien du mat\u00e9riel<\/strong>. Le graphite est le mat\u00e9riau de remplissage pr\u00e9f\u00e9r\u00e9 pour les joints spiral\u00e9s, bien qu'il puisse \u00e9galement \u00eatre utilis\u00e9 comme joint plat avec un insert m\u00e9tallique en acier inoxydable.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6684\" src=\"https:\/\/epidor.com\/wp-content\/uploads\/2025\/04\/Juntas-planas-para-valvulas-Epidor-SRT-2.jpg\" alt=\"Joints plats pour vannes Epidor SRT 2\" width=\"600\" height=\"348\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Juntas_planas_de_PTPE\"><\/span><span style=\"font-weight: 400;\">Joints plats en PTPE<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Le <\/span><b>PTFE<\/b><span style=\"font-weight: 400;\"> b\u00e9n\u00e9ficie d'une<\/span><b> r\u00e9sistance chimique quasi universelle <\/b><span style=\"font-weight: 400;\">mais sa temp\u00e9rature de fonctionnement est limit\u00e9e \u00e0 +260 \u00b0C. En outre, le mat\u00e9riau <\/span><b>souffre de reptation <\/b><span style=\"font-weight: 400;\">(l'\u00e9paisseur nominale du joint n'est pas maintenue) et a un coefficient de dilatation qui ne doit pas \u00eatre sous-estim\u00e9. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">De ces deux limitations, le fluage est de loin la plus grave. Pour y rem\u00e9dier, il existe une variante de la m\u00e9thode <\/span><b>PTFE<\/b><span style=\"font-weight: 400;\"> qui implique un traitement m\u00e9canique (calandrage) qui corrige de mani\u00e8re significative le fluage de l'acier. <\/span><b>PTFE<\/b><span style=\"font-weight: 400;\"> vierge. C'est la \u00a0<\/span><b>Gylon<\/b><b>\u00ae<\/b><span style=\"font-weight: 400;\">, PTFE restructur\u00e9 PTFE de <\/span><b>Garlock<\/b><span style=\"font-weight: 400;\">, La troisi\u00e8me g\u00e9n\u00e9ration de ce mat\u00e9riau est maintenant sur le march\u00e9. Ce mat\u00e9riau se caract\u00e9rise par son excellente r\u00e9sistance \u00e0 la vapeur, le joint ne colle pas au bo\u00eetier et il n'y a aucune difficult\u00e9 \u00e0 le d\u00e9couper en feuilles. Dans les semaines \u00e0 venir, nous pr\u00e9senterons dans notre blog la 3\u00e8me g\u00e9n\u00e9ration de joints d'\u00e9tanch\u00e9it\u00e9. <\/span><b>Gylon<\/b><b>\u00ae<\/b><span style=\"font-weight: 400;\">. \u00a0<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6685 size-full\" src=\"https:\/\/epidor.com\/wp-content\/uploads\/2025\/04\/Juntas-planas-para-valvulas-Epidor-SRT-3.jpg\" width=\"600\" height=\"450\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Pour les vannes \u00e9quip\u00e9es de joints spiral\u00e9s soumises \u00e0 des vibrations ou lorsque la temp\u00e9rature ou la pression est tr\u00e8s \u00e9lev\u00e9e, il est recommand\u00e9 de remplacer le joint par un joint de type <\/span><b>joint m\u00e9tallique rainur\u00e9<\/b><span style=\"font-weight: 400;\">, Type Kammprofile. Cependant, une autre option plus int\u00e9ressante que celle de l'usure des cannelures est celle du <\/span><b>m\u00e9tal ondul\u00e9 et flexible<\/b><span style=\"font-weight: 400;\">, capable d'absorber les mouvements. Le joint peut \u00e9galement \u00eatre recouvert d'une couche de graphite pour copier la bride, mais il est recommand\u00e9 de l'utiliser dans des milieux oxydants. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Le fabricant <\/span><b>Revoseal<\/b><span style=\"font-weight: 400;\"> a brevet\u00e9 un joint m\u00e9tallique ondul\u00e9 rempli de graphite qui, une fois mont\u00e9, encapsule le graphite et agit comme un joint secondaire. Ce joint combine les points forts du joint Kammprofile et du joint m\u00e9tallique ondul\u00e9 conventionnel.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6686 size-full\" src=\"https:\/\/epidor.com\/wp-content\/uploads\/2025\/04\/Juntas-planas-para-valvulas-Epidor-SRT-4.jpg\" width=\"600\" height=\"348\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Juntas_planas_en_acero_inoxidable_o_aleaciones_en_base_niquel\"><\/span><span style=\"font-weight: 400;\">Joints plats en <\/span><span style=\"font-weight: 400;\">acier inoxydable ou alliages \u00e0 base de nickel <\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Il existe une tr\u00e8s large gamme de m\u00e9taux pour les joints plats tels que :<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Aciers inoxydables (s\u00e9rie 300).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Les alliages \u00e0 base de nickel (<\/span><b>Incolloy<\/b><b>\u00ae<\/b><b>, Hastelloy<\/b><b>\u00ae<\/b><span style=\"font-weight: 400;\">). <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Alliages aust\u00e9nitiques \u00e0 base de nickel-chrome <\/span><span style=\"font-weight: 400;\">(<\/span><b>Inconel<\/b><b>\u00ae<\/b><span style=\"font-weight: 400;\">).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Alliages nickel-cuivre (<\/span><b>Monel<\/b><b>\u00ae<\/b><span style=\"font-weight: 400;\">), entre autres.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Vous pouvez nous contacter \u00e0 l'adresse suivante <\/span><span style=\"font-weight: 400;\">93 863 32 77 <\/span><span style=\"font-weight: 400;\">ou envoyer un courriel \u00e0<span style=\"text-decoration: underline;\"><a href=\"mailto:infoweb@epidor-srt.com\"> infoweb@epidor-srt.com<\/a><\/span><\/span><span style=\"font-weight: 400;\"> et nous \u00e9tudierons ensemble la solution la plus appropri\u00e9e \u00e0 votre probl\u00e8me. Conna\u00eetre tous les <strong>nos solutions d'\u00e9tanch\u00e9it\u00e9 en<\/strong><\/span><strong> <a href=\"http:\/\/webcatalog.epidor-srt.com\/es\/category\/estanqueidad-id-37021\"><span style=\"color: red;\">notre catalogue.<\/span><\/a><\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"pgc-6683-0-2\"  class=\"panel-grid-cell panel-grid-cell-empty\"  data-weight=\"0.050210187027859\" ><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Nuestro nuevo art\u00edculo finaliza la serie de soluciones para la estanqueidad de v\u00e1lvulas y se suma a los ya publicados anteriormente en nuestro blog \u201cAlgunas soluciones de estanqueidad en v\u00e1lvulas\u201d,\u00a0\u201cJuntas t\u00f3ricas certificadas para v\u00e1lvulas\u201c , \u201cElast\u00f3meros resistentes ante fluidos agresivos en v\u00e1lvulas\u201d\u00a0 y \u201cMateriales de estanqueidad recomendados para asientos de v\u00e1lvula\u201d. En el art\u00edculo de [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2860,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[42],"tags":[],"class_list":["post-2855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-estanqueidad-estatica"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tipolog\u00eda de juntas planas para v\u00e1lvulas I Epidor SRT<\/title>\n<meta name=\"description\" content=\"En este art\u00edculo profundizamos en otro aspecto de las v\u00e1lvulas, las opciones disponibles para las juntas planas a instalar en v\u00e1lvulas de cuerpo partido y entre el v\u00e1stago y el volante.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/epidor.com\/fr\/blog\/typologie-joints-plats-pour-vannes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tipolog\u00eda de juntas planas para v\u00e1lvulas I Epidor SRT\" \/>\n<meta property=\"og:description\" content=\"En este art\u00edculo profundizamos en otro aspecto de las v\u00e1lvulas, las opciones disponibles para las juntas planas a instalar en v\u00e1lvulas de cuerpo partido y entre el v\u00e1stago y el volante.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/epidor.com\/fr\/blog\/typologie-joints-plats-pour-vannes\/\" \/>\n<meta property=\"og:site_name\" content=\"Epidor - 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