{"id":1014,"date":"2026-04-17T23:32:19","date_gmt":"2026-04-18T03:32:19","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=1014"},"modified":"2026-04-17T23:43:05","modified_gmt":"2026-04-18T03:43:05","slug":"flange-facing-types-rf-ff-rtj-mfm-tg-sealing-surface-comparison","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/fr\/2026\/04\/17\/flange-facing-types-rf-ff-rtj-mfm-tg-sealing-surface-comparison\/","title":{"rendered":"Types de brides RF FF RTJ MFM TG Comparaison des surfaces d'\u00e9tanch\u00e9it\u00e9"},"content":{"rendered":"<h2>Explication des types de rev\u00eatements de brides<\/h2>\n<p>Le rev\u00eatement de la bride (surface d'\u00e9tanch\u00e9it\u00e9) est essentiel pour cr\u00e9er un joint \u00e9tanche. Diff\u00e9rents types de rev\u00eatements sont con\u00e7us pour des plages de pression, des temp\u00e9ratures et des exigences d'\u00e9tanch\u00e9it\u00e9 sp\u00e9cifiques.<\/p>\n<h3>Face sur\u00e9lev\u00e9e (RF)<\/h3>\n<p><strong>Type le plus courant<\/strong><\/p>\n<ul>\n<li>Surface d'\u00e9tanch\u00e9it\u00e9 sur\u00e9lev\u00e9e (1,6 mm ou 6,4 mm de hauteur)<\/li>\n<li>Dentelures concentriques ou en spirale pour la prise du joint<\/li>\n<li>Convient \u00e0 la classe 150-2500<\/li>\n<li>Fonctionne avec des joints souples, semi-m\u00e9talliques et m\u00e9talliques<\/li>\n<li><strong>Applications :<\/strong> Services g\u00e9n\u00e9raux, p\u00e9trole et gaz, traitement chimique<\/li>\n<\/ul>\n<h3>Face plate (FF)<\/h3>\n<p><strong>Scellement de toute la surface<\/strong><\/p>\n<ul>\n<li>Toute la face de la bride est une surface d'\u00e9tanch\u00e9it\u00e9<\/li>\n<li>N\u00e9cessite un joint int\u00e9gral<\/li>\n<li>Limit\u00e9 \u00e0 la classe 150 et \u00e0 la classe 300<\/li>\n<li>Emp\u00eache la flexion de la bride sous la charge du boulon<\/li>\n<li><strong>Applications :<\/strong> Eau \u00e0 basse pression, brides en fonte, syst\u00e8mes \u00e0 rev\u00eatement plastique<\/li>\n<\/ul>\n<h3>Joint \u00e0 anneau (RTJ)<\/h3>\n<p><strong>Joint m\u00e9tal\/m\u00e9tal haute pression<\/strong><\/p>\n<ul>\n<li>Rainure pour joint m\u00e9tallique (ovale ou octogonal)<\/li>\n<li>Contact m\u00e9tal contre m\u00e9tal pour une meilleure \u00e9tanch\u00e9it\u00e9<\/li>\n<li>Convient \u00e0 la classe 600 et aux classes sup\u00e9rieures<\/li>\n<li>Gestion des temp\u00e9ratures et des pressions extr\u00eames<\/li>\n<li><strong>Applications :<\/strong> Vapeur \u00e0 haute pression, t\u00eates de puits de p\u00e9trole et de gaz, raffineries<\/li>\n<\/ul>\n<h3>Visage masculin-f\u00e9minin (MFM)<\/h3>\n<p><strong>Joint d'\u00e9tanch\u00e9it\u00e9 \u00e0 alignement automatique<\/strong><\/p>\n<ul>\n<li>Une bride a une partie m\u00e2le sur\u00e9lev\u00e9e, l'autre a une partie femelle en retrait.<\/li>\n<li>Le joint s'ins\u00e8re dans la cavit\u00e9 femelle pour un meilleur alignement<\/li>\n<li>R\u00e9duction du risque d'\u00e9clatement du joint<\/li>\n<li><strong>Applications :<\/strong> Raccords de pompes et de vannes, \u00e9changeurs de chaleur<\/li>\n<\/ul>\n<h3>Face \u00e0 rainure et languette (TG)<\/h3>\n<p><strong>Performance d'\u00e9tanch\u00e9it\u00e9 de premier ordre<\/strong><\/p>\n<ul>\n<li>La languette d'une bride s'ins\u00e8re dans la rainure d'une autre bride<\/li>\n<li>Excellent confinement des joints<\/li>\n<li>Etanch\u00e9it\u00e9 sup\u00e9rieure pour les produits dangereux<\/li>\n<li>Co\u00fbt plus \u00e9lev\u00e9 en raison de l'usinage de pr\u00e9cision<\/li>\n<li><strong>Applications :<\/strong> Gaz toxiques, syst\u00e8mes hydrauliques \u00e0 haute pression<\/li>\n<\/ul>\n<h3>Guide de s\u00e9lection des parements<\/h3>\n<table>\n<tr>\n<th>Type de parement<\/th>\n<th>Gamme de pression<\/th>\n<th>Temp\u00e9rature<\/th>\n<th>Co\u00fbt<\/th>\n<\/tr>\n<tr>\n<td>Face plate (FF)<\/td>\n<td>Faible (classe 150-300)<\/td>\n<td>Mod\u00e9r\u00e9<\/td>\n<td>Faible<\/td>\n<\/tr>\n<tr>\n<td>Face sur\u00e9lev\u00e9e (RF)<\/td>\n<td>Moyennement \u00e9lev\u00e9 (classe 150-2500)<\/td>\n<td>Large<\/td>\n<td>Moyen<\/td>\n<\/tr>\n<tr>\n<td>MFM<\/td>\n<td>Moyenne-\u00e9lev\u00e9e<\/td>\n<td>Large<\/td>\n<td>Moyenne-\u00e9lev\u00e9e<\/td>\n<\/tr>\n<tr>\n<td>TG<\/td>\n<td>Haut<\/td>\n<td>Large<\/td>\n<td>Haut<\/td>\n<\/tr>\n<tr>\n<td>RTJ<\/td>\n<td>Tr\u00e8s \u00e9lev\u00e9 (classe 600+)<\/td>\n<td>Extr\u00eame<\/td>\n<td>Haut<\/td>\n<\/tr>\n<\/table>\n<h3>Compatibilit\u00e9 des joints<\/h3>\n<ul>\n<li><strong>RF\/FF :<\/strong> Sans amiante, graphite, PTFE, enroul\u00e9 en spirale<\/li>\n<li><strong>RTJ :<\/strong> Fer doux, acier inoxydable, Inconel Joints annulaires<\/li>\n<li><strong>MFM\/TG :<\/strong> Joints en feuille, enroul\u00e9s en spirale avec anneau de centrage<\/li>\n<\/ul>\n<p>Le choix du bon type de rev\u00eatement de bride est essentiel pour garantir un fonctionnement sans fuite et une \u00e9tanch\u00e9it\u00e9 optimale dans votre syst\u00e8me de tuyauterie.<\/p>\n<p><strong>WhatsApp :<\/strong>\u00a0+86-18658777855<br \/>\n<strong>Courriel :<\/strong>\u00a01007788887@qq.com<br \/>\n<a href=\"https:\/\/www.720yun.com\/vr\/a6ajt7ynrw0\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-884\" src=\"http:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp\" alt=\"\" width=\"1290\" height=\"2317\" title=\"\" srcset=\"https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4.webp 1290w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-167x300.webp 167w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-570x1024.webp 570w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-768x1379.webp 768w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-855x1536.webp 855w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-1140x2048.webp 1140w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-7x12.webp 7w, https:\/\/www.songhaiflange.com\/wp-content\/uploads\/2026\/04\/4-416x747.webp 416w\" sizes=\"auto, (max-width: 1290px) 100vw, 1290px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Flange Facing Types Explained The flange facing (sealing surface) is critical for creating a leak-tight joint. Different facing types are designed for specific pressure ranges, temperatures, and sealing requirements. Raised Face (RF) Most Common Type Raised sealing surface (1.6mm or 6.4mm height) Concentric or spiral serrations for gasket grip Suitable for Class 150-2500 Works with [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[71,66,88,92,91],"class_list":["post-1014","post","type-post","status-publish","format-standard","hentry","category-blog","tag-facing","tag-flange","tag-gasket","tag-raised","tag-rtj"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/1014","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/comments?post=1014"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/1014\/revisions"}],"predecessor-version":[{"id":1019,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/1014\/revisions\/1019"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/media?parent=1014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/categories?post=1014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/tags?post=1014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}