{"id":10822,"date":"2023-11-15T11:48:47","date_gmt":"2023-11-15T09:48:47","guid":{"rendered":"https:\/\/comdiflex.com\/produits\/joints\/juntas-planas-metalicas-no-metalicas\/metalicas\/"},"modified":"2026-01-19T13:16:39","modified_gmt":"2026-01-19T11:16:39","slug":"metalliques","status":"publish","type":"page","link":"https:\/\/comdiflex.com\/fr\/produits\/joints\/joints-plats-non-metalliques-metalliques\/metalliques\/","title":{"rendered":"Joints m\u00e9talliques"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:#eae9e9;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1012.96px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_6 1_6 fusion-flex-column imagenproducto\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div ><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"105\" height=\"132\" alt=\"joints plats1\" title=\"juntas-planas1\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27105%27%20height%3D%27132%27%20viewBox%3D%270%200%20105%20132%27%3E%3Crect%20width%3D%27105%27%20height%3D%273132%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"http:\/\/comdiflex.com\/wp-content\/uploads\/2021\/06\/juntas-planas1.jpg\" class=\"lazyload img-responsive wp-image-3847\"\/><\/span><\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-0{width:16.666666666667% !important;margin-top : 0px;margin-bottom : -10px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 11.52%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 11.52%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_5 1_5 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-text fusion-text-1 tituloficha\" style=\"font-size:17px;color:#000000;font-family:&quot;Lato&quot;;font-weight:400;transform:translate3d(0,0,0);\"><p>JOINTS PLATS<\/p>\n<\/div><div class=\"fusion-text fusion-text-2\" style=\"font-size:22px;color:#000000;font-family:&quot;Lato&quot;;font-weight:700;transform:translate3d(0,0,0);\"><p>M\u00c9TALLIQUES<\/p>\n<\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-1{width:20% !important;margin-top : 88px;margin-bottom : -10px;}.fusion-builder-column-1 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 9.6%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 9.6%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-1{width:33.333333333333% !important;order : 0;margin-top : 20px;}.fusion-builder-column-1 > .fusion-column-wrapper {margin-right : 5.76%;margin-left : 5.76%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-1{width:33.333333333333% !important;order : 0;margin-top : 20px;}.fusion-builder-column-1 > .fusion-column-wrapper {margin-right : 5.76%;margin-left : 5.76%;}}<\/style><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;width:100%;\"><div class=\"fusion-separator-border sep-single sep-dotted\" style=\"border-color:#000000;border-top-width:1px;\"><\/div><\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-2{width:100% !important;margin-top : -5px;margin-bottom : 10px;}.fusion-builder-column-2 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-2{width:100% !important;order : 0;}.fusion-builder-column-2 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-2{width:100% !important;order : 0;}.fusion-builder-column-2 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-1{ padding-top : 0px;margin-top : 10px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:#eae9e9;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1012.96px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div style=\"text-align:center;\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"608\" height=\"306\" alt=\"juntas no met\u00e1licas\" title=\"juntas-planas\" src=\"https:\/\/comdiflex.com\/wp-content\/uploads\/2021\/07\/juntas-planas.jpg\" data-orig-src=\"http:\/\/comdiflex.com\/wp-content\/uploads\/2021\/07\/juntas-planas.jpg\" class=\"lazyload img-responsive wp-image-4421\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27608%27%20height%3D%27306%27%20viewBox%3D%270%200%20608%20306%27%3E%3Crect%20width%3D%27608%27%20height%3D%273306%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/comdiflex.com\/wp-content\/uploads\/2021\/07\/juntas-planas-200x101.jpg 200w, https:\/\/comdiflex.com\/wp-content\/uploads\/2021\/07\/juntas-planas-400x201.jpg 400w, https:\/\/comdiflex.com\/wp-content\/uploads\/2021\/07\/juntas-planas-600x302.jpg 600w, https:\/\/comdiflex.com\/wp-content\/uploads\/2021\/07\/juntas-planas.jpg 608w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 608px\" \/><\/span><\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-3{width:100% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-3 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-3{width:100% !important;order : 0;}.fusion-builder-column-3 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-3{width:100% !important;order : 0;}.fusion-builder-column-3 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-text fusion-text-3\" style=\"font-family:&quot;Roboto&quot;;font-weight:400;transform:translate3d(0,0,0);\"><p>Les joints plats peuvent \u00e9galement \u00eatre constitu\u00e9s de mat\u00e9riaux m\u00e9talliques (solides). Ces joints sont largement utilis\u00e9s dans les domaines industriels en fonction des valeurs de pression, de temp\u00e9rature et du fluide en question. En g\u00e9n\u00e9ral, leur utilisation se justifie lorsqu&rsquo;une \u00e9tanch\u00e9it\u00e9 \u00e9lev\u00e9e est requise, en r\u00e9ponse \u00e0 des conditions exigeantes de temp\u00e9ratures et\/ou de pressions \u00e9lev\u00e9es ou en r\u00e9ponse \u00e0 des exigences de s\u00e9curit\u00e9 contre des fluides agressifs, inflammables, toxiques ou corrosifs.<\/p>\n<p>Le choix du mat\u00e9riau du joint d\u00e9pend des conditions de service de l&rsquo;\u00e9quipement. Comme ces joints n\u00e9cessitent des charges de serrage \u00e9lev\u00e9es pour l&rsquo;\u00e9tanch\u00e9it\u00e9, cela signifie in\u00e9vitablement que toute la g\u00e9om\u00e9trie de contact entre le joint et la surface doit \u00eatre dans les meilleures conditions possibles, en termes de finition (des finitions tr\u00e8s fines sont n\u00e9cessaires), d&rsquo;alignement correct de la g\u00e9om\u00e9trie et de propret\u00e9 des zones de contact.<br \/>\nLes zones de contact doivent \u00eatre propres. C&rsquo;est pourquoi, dans ces cas, la duret\u00e9 du joint en m\u00e9tal massif rev\u00eat une importance particuli\u00e8re.<br \/>\nDans ce cas, la duret\u00e9 des joints et leur finition de surface d\u00e9pendent essentiellement de la duret\u00e9 Brinell du mat\u00e9riau du joint. \u00c0 cet \u00e9gard, nous avons constat\u00e9 que le rapport suivant : Rz (mm) \u2264 300\/HB fournit de bonnes indications sur la finition requise du joint.<\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:20px;width:100%;\"><\/div><div class=\"fusion-text fusion-text-4\" style=\"font-family:&quot;Roboto&quot;;font-weight:400;transform:translate3d(0,0,0);\"><table style=\"height: 82px;\" width=\"999\">\n<tbody>\n<tr>\n<td style=\"text-align: center; background: #b01117;\" rowspan=\"2\" width=\"79\"><span style=\"color: #ffffff;\">Profil<\/span><\/td>\n<td style=\"text-align: center; background: #b01117;\" rowspan=\"2\" width=\"185\"><span style=\"color: #ffffff;\">Section<\/span><\/td>\n<td style=\"text-align: center; background: #b01117;\" rowspan=\"2\" width=\"140\"><span style=\"color: #ffffff;\">Mat\u00e9riau<\/span><\/td>\n<td style=\"text-align: center; background: #b01117;\" width=\"80\"><span style=\"color: #ffffff;\">K<sub>O<\/sub>+K<sub>D<\/sub><\/span><\/td>\n<td style=\"text-align: center; background: #b01117;\" width=\"87\"><span style=\"color: #ffffff;\">K<sub>1<\/sub><\/span><\/td>\n<td style=\"text-align: center; background: #b01117;\" width=\"89\"><span style=\"color: #ffffff;\">R<sub>Z<\/sub><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; background: #343433;\" width=\"80\"><span style=\"color: #ffffff;\">[N\/mm]<\/span><\/td>\n<td style=\"text-align: center; background: #343433;\" width=\"87\"><\/td>\n<td style=\"text-align: center; background: #343433;\" width=\"89\"><span style=\"color: #ffffff;\">(\u00b5m)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; background: #343433;\" width=\"79\"><span style=\"color: #ffffff;\">A1<\/span><\/td>\n<td width=\"185\"><img decoding=\"async\" class=\"lazyload wp-image-10652 aligncenter\" src=\"http:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/junt-A1-met.jpg\" data-orig-src=\"http:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/junt-A1-met.jpg\" alt=\"\" width=\"120\" height=\"27\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27120%27%20height%3D%2727%27%20viewBox%3D%270%200%20120%2027%27%3E%3Crect%20width%3D%27120%27%20height%3D%27327%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/junt-A1-met-150x35.jpg 150w, https:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/junt-A1-met.jpg 156w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 120px) 100vw, 120px\" \/><\/td>\n<td style=\"text-align: center;\" width=\"140\">M\u00e9tal<\/td>\n<td style=\"text-align: center;\" width=\"80\">b<sub>D<\/sub><\/td>\n<td style=\"text-align: center;\" width=\"87\">b<sub>D+5<\/sub><\/td>\n<td style=\"text-align: center;\" width=\"89\">1,6 a 6,3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:20px;width:100%;\"><\/div><div class=\"fusion-text fusion-text-5\" style=\"font-family:&quot;Roboto&quot;;font-weight:400;transform:translate3d(0,0,0);\"><p>Nous pouvons fournir des joints m\u00e9talliques dans une large gamme de mat\u00e9riaux (aciers inoxydables, aciers doux au carbone, monel, cuivre, laiton, etc.)<\/p>\n<p>Il est int\u00e9ressant de noter que les mat\u00e9riaux m\u00e9talliques de faible duret\u00e9 ou de faible limite d&rsquo;\u00e9lasticit\u00e9 (tels que le cuivre ou l&rsquo;aluminium) ont des valeurs de contrainte de fermeture \u03c3min relativement faibles par rapport aux mat\u00e9riaux plus durs tels que l&rsquo;acier au carbone.<\/p>\n<p>Si ces derniers mat\u00e9riaux sont utilis\u00e9s, il est possible de les utiliser avec des rev\u00eatements sp\u00e9ciaux de cuivre, de nickel ou d&rsquo;argent (entre 35 \u00b5m et 50 \u00b5m, jusqu&rsquo;\u00e0 un maximum de 100 \u00b5m) ; ceci aura un effet b\u00e9n\u00e9fique sur la contrainte \u03c3min en r\u00e9duisant sa valeur et en facilitant ainsi la fermeture du joint.<\/p>\n<p>Les joints en m\u00e9tal massif sont (normalement) install\u00e9s dans des embo\u00eetements \u00e0 rainure et languette, ce qui facilite g\u00e9n\u00e9ralement leur stabilit\u00e9 dimensionnelle et leur fonctionnement sous des charges \u00e9lev\u00e9es. Toutefois, il convient de noter qu&rsquo;il existe des cas o\u00f9 la corrosion peut se produire en raison du confinement possible de d\u00e9bris ou de particules de fluide dans la poche. Cet effet n\u00e9faste peut \u00eatre \u00e9vit\u00e9 par l&rsquo;utilisation de rev\u00eatements sp\u00e9ciaux.<\/p>\n<p>En conclusion, le concepteur doit garantir \u00e0 tout moment que, dans les conditions normales de fonctionnement de l&rsquo;\u00e9quipement (m\u00eame en cas d&rsquo;essais hydrauliques ou d&rsquo;autres types d&rsquo;essais), la contrainte maximale \u03c3max (limite de rupture) n&rsquo;est jamais d\u00e9pass\u00e9e ; pour cette m\u00eame raison, et compte tenu de tous les concepts susmentionn\u00e9s, la conception des boulons, des brides, de la g\u00e9om\u00e9trie et du mat\u00e9riau de l&rsquo;assemblage doit \u00eatre coh\u00e9rente \u00e0 tout moment.<\/p>\n<\/div><div class=\"fusion-text fusion-text-6\" style=\"color:#b01117;font-family:&quot;Montserrat&quot;;font-weight:400;transform:translate3d(0,0,0);\"><p><strong>Pression de surface<\/strong><\/p>\n<\/div><div class=\"fusion-text fusion-text-7\" style=\"font-family:&quot;Roboto&quot;;font-weight:400;transform:translate3d(0,0,0);\"><p>Le tableau des contraintes minimales \u03c3min (fermeture du joint) et maximales \u03c3max (limite de rupture)<strong> pour les joints m\u00e9talliques de type A1 est donn\u00e9 ci-dessous :<\/strong><\/p>\n<\/div><div style=\"text-align:center;\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-none\"><img decoding=\"async\" width=\"963\" height=\"678\" title=\"presion-juntas-met\" src=\"https:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/presion-juntas-met.jpg\" data-orig-src=\"http:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/presion-juntas-met.jpg\" class=\"lazyload img-responsive wp-image-10671\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27963%27%20height%3D%27678%27%20viewBox%3D%270%200%20963%20678%27%3E%3Crect%20width%3D%27963%27%20height%3D%273678%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/presion-juntas-met-200x141.jpg 200w, https:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/presion-juntas-met-400x282.jpg 400w, https:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/presion-juntas-met-600x422.jpg 600w, https:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/presion-juntas-met-800x563.jpg 800w, https:\/\/comdiflex.com\/wp-content\/uploads\/2023\/11\/presion-juntas-met.jpg 963w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 963px\" \/><\/span><\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-4{width:100% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-4 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-4{width:100% !important;order : 0;}.fusion-builder-column-4 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-4{width:100% !important;order : 0;}.fusion-builder-column-4 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-2{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":5407,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-10822","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.9 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>JOINTS PLATS M\u00c9TALLIQUES | \u00c9tanch\u00e9it\u00e9 Industrielle Fiable | COMDIFLEX<\/title>\n<meta name=\"description\" content=\"Joints plats m\u00e9talliques pour brides et applications industrielles chez Comdiflex. 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