{"id":19362,"date":"2026-03-06T14:44:50","date_gmt":"2026-03-06T06:44:50","guid":{"rendered":"https:\/\/www.boberry-mach.com\/dimensions-des-brides-a-collerette-libre-un-guide-complet\/"},"modified":"2026-04-02T09:47:10","modified_gmt":"2026-04-02T01:47:10","slug":"dimensions-des-brides-a-collerette-libre-un-guide-complet","status":"publish","type":"post","link":"https:\/\/www.boberry-mach.com\/fr\/dimensions-des-brides-a-collerette-libre-un-guide-complet\/","title":{"rendered":"Dimensions des brides \u00e0 collerette libre : un guide complet"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Choisir la bonne dimension de bride \u00e0 recouvrement garantit un fonctionnement s\u00fbr et efficace des canalisations. Largement utilis\u00e9es dans les industries p\u00e9troli\u00e8re, gazi\u00e8re, chimique, de l&rsquo;eau et agroalimentaire, elles offrent une grande flexibilit\u00e9 d&rsquo;alignement et sont compatibles avec les raccords \u00e0 collerette. Un dimensionnement ad\u00e9quat assure un alignement correct, des connexions \u00e9tanches et la conformit\u00e9 aux normes internationales.<\/span><\/p>\n<h2><b>Comprendre les brides \u00e0 recouvrement<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Une bride \u00e0 recouvrement comporte une extr\u00e9mit\u00e9 soud\u00e9e et une bride libre qui coulisse dessus, permettant une rotation libre pour faciliter l&rsquo;alignement des boulons lors de l&rsquo;installation.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Les avantages comprennent\u00a0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Facilit\u00e9 d&rsquo;entretien : Peut \u00eatre d\u00e9mont\u00e9 sans couper les tuyaux.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Flexibilit\u00e9 d&rsquo;alignement\u00a0: la bride pivote librement ind\u00e9pendamment du tuyau.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Efficacit\u00e9 des mat\u00e9riaux\u00a0: Seule l\u2019extr\u00e9mit\u00e9 du raccord n\u00e9cessite un mat\u00e9riau r\u00e9sistant \u00e0 la corrosion.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Polyvalence : Id\u00e9al pour les syst\u00e8mes n\u00e9cessitant des inspections fr\u00e9quentes.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">La compr\u00e9hension de la structure des brides \u00e0 recouvrement est essentielle pour choisir la taille appropri\u00e9e de la canalisation.<\/span><\/p>\n<h2><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-14555 size-full\" src=\"https:\/\/www.boberry-mach.com\/wp-content\/uploads\/2026\/03\/Lap-Joint-Flange-Size-of-A-Comprehensive-Guide.png\" alt=\"Lap Joint Flange Size of A Comprehensive Guide\" width=\"640\" height=\"472\" srcset=\"https:\/\/www.boberry-mach.com\/wp-content\/uploads\/2026\/03\/Lap-Joint-Flange-Size-of-A-Comprehensive-Guide.png 640w, https:\/\/www.boberry-mach.com\/wp-content\/uploads\/2026\/03\/Lap-Joint-Flange-Size-of-A-Comprehensive-Guide-300x221.png 300w, https:\/\/www.boberry-mach.com\/wp-content\/uploads\/2026\/03\/Lap-Joint-Flange-Size-of-A-Comprehensive-Guide-600x443.png 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/h2>\n<h2><b>Param\u00e8tres cl\u00e9s pour le dimensionnement des brides \u00e0 recouvrement<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">La taille d&rsquo;une bride \u00e0 recouvrement est d\u00e9termin\u00e9e principalement par les param\u00e8tres suivants\u00a0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diam\u00e8tre nominal du tuyau (NPS)\u00a0: repr\u00e9sente approximativement le diam\u00e8tre int\u00e9rieur nominal du tuyau. Il est normalis\u00e9 selon les r\u00e9gions.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diam\u00e8tre ext\u00e9rieur (DE) : Le diam\u00e8tre ext\u00e9rieur du tuyau sur lequel la bride s&#8217;embo\u00eete.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diam\u00e8tre du cercle de boulonnage (BCD) : Distance entre les centres des trous de boulons ; critique pour une connexion correcte.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nombre de trous de boulons\u00a0: d\u00e9termin\u00e9 par la pression nominale et la taille de la bride.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c9paisseur de la bride (T) : D\u00e9pend de la classe de pression et de la taille du tuyau.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Classe de pression (PN \/ ANSI \/ ASME)\u00a0: Les syst\u00e8mes \u00e0 pression plus \u00e9lev\u00e9e n\u00e9cessitent des brides plus \u00e9paisses et des boulons de plus grand diam\u00e8tre.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">La prise en compte ad\u00e9quate de ces facteurs garantit une connexion s\u00fbre et \u00e9tanche, conforme aux exigences op\u00e9rationnelles de votre pipeline.<\/span><\/p>\n<h2><b>Tableaux des dimensions standard des brides<\/b><\/h2>\n<h3><b>Dimensions nominales des tuyaux et des brides \u00e0 recouvrement<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Vous trouverez ci-dessous un tableau r\u00e9capitulatif des dimensions NPS courantes, des diam\u00e8tres ext\u00e9rieurs des brides, des cercles de boulonnage et du nombre de boulons pour les normes ANSI\/ASME\u00a0:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">NPS (pouce)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Diam\u00e8tre ext\u00e9rieur du tuyau (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Diam\u00e8tre ext\u00e9rieur de la bride (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cercle de boulonnage (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nombre de boulons<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Taille du boulon (pouces)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1\/2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">21.3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">95<\/span><\/td>\n<td><span style=\"font-weight: 400;\">70<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1\/2<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3\/4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">26.7<\/span><\/td>\n<td><span style=\"font-weight: 400;\">110<\/span><\/td>\n<td><span style=\"font-weight: 400;\">85<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1\/2<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">33,4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">120<\/span><\/td>\n<td><span style=\"font-weight: 400;\">95<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1\/2<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1 1\/2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">48,3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">165<\/span><\/td>\n<td><span style=\"font-weight: 400;\">125<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5\/8<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">60,3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">180<\/span><\/td>\n<td><span style=\"font-weight: 400;\">150<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5\/8<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">88,9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">235<\/span><\/td>\n<td><span style=\"font-weight: 400;\">190<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3\/4<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">114,3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">290<\/span><\/td>\n<td><span style=\"font-weight: 400;\">250<\/span><\/td>\n<td><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3\/4<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td><span style=\"font-weight: 400;\">168,3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">355<\/span><\/td>\n<td><span style=\"font-weight: 400;\">310<\/span><\/td>\n<td><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7\/8<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">219.1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">405<\/span><\/td>\n<td><span style=\"font-weight: 400;\">370<\/span><\/td>\n<td><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">10<\/span><\/td>\n<td><span style=\"font-weight: 400;\">273<\/span><\/td>\n<td><span style=\"font-weight: 400;\">480<\/span><\/td>\n<td><span style=\"font-weight: 400;\">440<\/span><\/td>\n<td><span style=\"font-weight: 400;\">12<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">12<\/span><\/td>\n<td><span style=\"font-weight: 400;\">323,9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">525<\/span><\/td>\n<td><span style=\"font-weight: 400;\">495<\/span><\/td>\n<td><span style=\"font-weight: 400;\">12<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1 1\/8<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Remarque : Les dimensions varient en fonction de la classe de pression (150, 300, 600, etc.) et des normes internationales (ANSI\/ASME B16.5 ou ISO 7005).<\/span><\/p>\n<h3><b>Conversion d&rsquo;unit\u00e9s internationales<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Lorsqu&rsquo;on travaille avec des pipelines de m\u00e9triques, les conversions approximatives suivantes sont couramment utilis\u00e9es\u00a0:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Pouce NPS<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e9trique DN<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Diam\u00e8tre ext\u00e9rieur du tuyau (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Diam\u00e8tre ext\u00e9rieur de la bride (mm)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1\/2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15<\/span><\/td>\n<td><span style=\"font-weight: 400;\">21.3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">95<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">25<\/span><\/td>\n<td><span style=\"font-weight: 400;\">33,4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">120<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50<\/span><\/td>\n<td><span style=\"font-weight: 400;\">60,3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">180<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">80<\/span><\/td>\n<td><span style=\"font-weight: 400;\">88,9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">235<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100<\/span><\/td>\n<td><span style=\"font-weight: 400;\">114,3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">290<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td><span style=\"font-weight: 400;\">150<\/span><\/td>\n<td><span style=\"font-weight: 400;\">168,3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">355<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">200<\/span><\/td>\n<td><span style=\"font-weight: 400;\">219.1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">405<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">10<\/span><\/td>\n<td><span style=\"font-weight: 400;\">250<\/span><\/td>\n<td><span style=\"font-weight: 400;\">273<\/span><\/td>\n<td><span style=\"font-weight: 400;\">480<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">12<\/span><\/td>\n<td><span style=\"font-weight: 400;\">300<\/span><\/td>\n<td><span style=\"font-weight: 400;\">323,9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">525<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">La norme m\u00e9trique DN (diam\u00e8tre nominal) simplifie la sp\u00e9cification des composants de pipeline dans les projets internationaux. V\u00e9rifiez toujours la norme applicable \u00e0 votre pays ou \u00e0 votre projet afin d&rsquo;\u00e9viter toute incoh\u00e9rence.<\/span><\/p>\n<h2><img decoding=\"async\" class=\"wp-image-14561 size-full aligncenter\" src=\"https:\/\/www.boberry-mach.com\/wp-content\/uploads\/2026\/03\/lap-joint-Flanges-Sizes.jpg\" alt=\"lap joint Flanges Sizes\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.boberry-mach.com\/wp-content\/uploads\/2026\/03\/lap-joint-Flanges-Sizes.jpg 600w, https:\/\/www.boberry-mach.com\/wp-content\/uploads\/2026\/03\/lap-joint-Flanges-Sizes-300x225.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/h2>\n<h2><b>S\u00e9lection des dimensions des brides en fonction de la classe de pression<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Les brides \u00e0 recouvrement sont disponibles en plusieurs classes de pression standard.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Classe 150 (basse pression)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Classe 300 (moyenne pression)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Classe 600 (haute pression)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Classe 900-2500 (tr\u00e8s haute pression, souvent avec joint RTJ)<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Influences de la classe de pression\u00a0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00e9paisseur de la bride<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Taille et nombre de boulons<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Qualit\u00e9 du mat\u00e9riau<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Par exemple, une bride \u00e0 recouvrement NPS de 4 pouces de classe 150 peut n\u00e9cessiter 8 boulons de 3\/4 de pouce, tandis que la m\u00eame taille en classe 600 peut n\u00e9cessiter des boulons plus gros et une bride plus \u00e9paisse pour r\u00e9sister \u00e0 une pression plus \u00e9lev\u00e9e.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h2><b>Consid\u00e9rations relatives au mat\u00e9riau des tuyaux et aux extr\u00e9mit\u00e9s \u00e0 raccorder<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Le mat\u00e9riau du tuyau influe sur le dimensionnement de la bride. Les mat\u00e9riaux de tuyau courants comprennent\u00a0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Acier au carbone\u00a0: N\u00e9cessite des embouts r\u00e9sistants \u00e0 la corrosion si le fluide est agressif.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Acier inoxydable\u00a0: Id\u00e9al pour les applications sanitaires\u00a0; permet des brides plus petites gr\u00e2ce \u00e0 sa r\u00e9sistance sup\u00e9rieure.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Acier alli\u00e9 : Convient aux canalisations haute pression ou haute temp\u00e9rature.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Pour s\u00e9lectionner la bride \u00e0 recouvrement appropri\u00e9e, v\u00e9rifiez que\u00a0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Le mat\u00e9riau de la bride est compatible avec les conditions de fonctionnement.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L&rsquo;extr\u00e9mit\u00e9 \u00e0 souder correspond au diam\u00e8tre ext\u00e9rieur du tuyau pour une soudure s\u00e9curis\u00e9e.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">La pression nominale appropri\u00e9e a \u00e9t\u00e9 s\u00e9lectionn\u00e9e pour garantir la conformit\u00e9 aux normes de s\u00e9curit\u00e9.<\/span><\/li>\n<\/ul>\n<h2><b>Dimensions de brides sur mesure<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Les brides \u00e0 recouvrement standard conviennent \u00e0 la plupart des canalisations\u00a0; toutefois, des brides sur mesure sont n\u00e9cessaires lorsque\u00a0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">On utilise des diam\u00e8tres de tuyaux non standard.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Des conditions de pression ou de temp\u00e9rature particuli\u00e8res s&rsquo;appliquent.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les exigences des projets internationaux diff\u00e8rent des normes ANSI\/ASME ou ISO.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Les fabricants peuvent proposer des diam\u00e8tres ext\u00e9rieurs, des entraxes de boulonnage et des \u00e9paisseurs sur mesure, selon les sp\u00e9cifications du client. Consultez toujours un fournisseur pour une personnalisation optimale.<\/span><\/p>\n<h2><b>Conseils pour choisir la bonne taille de bride \u00e0 recouvrement<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">V\u00e9rifiez le diam\u00e8tre ext\u00e9rieur du tuyau\u00a0: assurez-vous que la bride s\u2019adapte \u00e0 l\u2019extr\u00e9mit\u00e9 du tuyau.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e9terminer le diam\u00e8tre nominal du tuyau (NPS) : Utiliser les normes ANSI\/ISO comme r\u00e9f\u00e9rence.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tenez compte de la classe de pression\u00a0: les pressions plus \u00e9lev\u00e9es n\u00e9cessitent des brides plus \u00e9paisses et des boulons plus gros.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u00e9rifier l&rsquo;entraxe et le diam\u00e8tre des boulons\u00a0: maintenir un alignement correct avec les brides adjacentes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Respect des exigences en mati\u00e8re de mat\u00e9riaux\u00a0: Choisissez des embouts r\u00e9sistants \u00e0 la corrosion lorsque cela est n\u00e9cessaire.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Consultez les normes internationales\u00a0: assurez-vous de la compatibilit\u00e9 m\u00e9trique\/imp\u00e9riale pour les projets transfrontaliers.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Utilisez les fiches techniques du fabricant\u00a0: v\u00e9rifiez les dimensions, les tol\u00e9rances et les pressions nominales.<\/span><\/li>\n<\/ul>\n<h2><b>Tableau d&rsquo;exemples de brides \u00e0 recouvrement pour diff\u00e9rentes classes de pression<\/b><\/h2>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">NPS (pouce)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Classe 150 OD (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Classe 300 OD (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Classe 600 OD (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Trous de boulons (Classe 150\/300\/600)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">180<\/span><\/td>\n<td><span style=\"font-weight: 400;\">190<\/span><\/td>\n<td><span style=\"font-weight: 400;\">210<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4 \/ 4 \/ 4<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">235<\/span><\/td>\n<td><span style=\"font-weight: 400;\">245<\/span><\/td>\n<td><span style=\"font-weight: 400;\">270<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6 \/ 6 \/ 6<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">290<\/span><\/td>\n<td><span style=\"font-weight: 400;\">300<\/span><\/td>\n<td><span style=\"font-weight: 400;\">330<\/span><\/td>\n<td><span style=\"font-weight: 400;\">8\/8\/8<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td><span style=\"font-weight: 400;\">355<\/span><\/td>\n<td><span style=\"font-weight: 400;\">370<\/span><\/td>\n<td><span style=\"font-weight: 400;\">400<\/span><\/td>\n<td><span style=\"font-weight: 400;\">8\/8\/12<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">405<\/span><\/td>\n<td><span style=\"font-weight: 400;\">420<\/span><\/td>\n<td><span style=\"font-weight: 400;\">460<\/span><\/td>\n<td><span style=\"font-weight: 400;\">8\/8\/12<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">10<\/span><\/td>\n<td><span style=\"font-weight: 400;\">480<\/span><\/td>\n<td><span style=\"font-weight: 400;\">500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">540<\/span><\/td>\n<td><span style=\"font-weight: 400;\">12\/12\/16<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">12<\/span><\/td>\n<td><span style=\"font-weight: 400;\">525<\/span><\/td>\n<td><span style=\"font-weight: 400;\">545<\/span><\/td>\n<td><span style=\"font-weight: 400;\">585<\/span><\/td>\n<td><span style=\"font-weight: 400;\">12\/12\/16<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Ce tableau constitue une r\u00e9f\u00e9rence pratique pour les ing\u00e9nieurs travaillant sur des pipelines n\u00e9cessitant des brides \u00e0 recouvrement pour plusieurs classes de pression.<\/span><\/p>\n<h2><\/h2>\n<h2><b>R\u00e9f\u00e9rences normalis\u00e9es internationales<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Lors du choix des dimensions des brides, les normes de r\u00e9f\u00e9rence sont essentielles\u00a0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ANSI\/ASME B16.5\u00a0: Couvre les brides de tuyauterie et les raccords \u00e0 brides de 1\/2&Prime; \u00e0 24&Prime; NPS.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ISO 7005-1 : Norme m\u00e9trique europ\u00e9enne pour les brides en acier (DN 15-DN 2000).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">EN 1092-1 : Brides en acier pour les classes de pression PN.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">BS 4504\u00a0: Brides conformes \u00e0 la norme britannique, souvent exprim\u00e9es en unit\u00e9s m\u00e9triques.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">L&rsquo;utilisation de ces normes garantit la compatibilit\u00e9 et la s\u00e9curit\u00e9 des pipelines mondiaux.<\/span><\/p>\n<h2><b>Erreurs courantes \u00e0 \u00e9viter<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u00e9lection incorrecte du diam\u00e8tre ext\u00e9rieur\u00a0: entra\u00eene un mauvais ajustement ou des fuites.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u00e9gliger la classe de pression : peut entra\u00eener une d\u00e9faillance de la bride.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9langer les unit\u00e9s m\u00e9triques et imp\u00e9riales : source de d\u00e9salignements dans les projets internationaux.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Absence de v\u00e9rification de l&rsquo;entraxe des boulons\u00a0: les trous de boulons doivent correspondre exactement aux brides d&rsquo;accouplement.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u00e9gliger la compatibilit\u00e9 des mat\u00e9riaux de tuyauterie\u00a0: l\u2019extr\u00e9mit\u00e9 \u00e0 raccorder doit r\u00e9sister \u00e0 la corrosion et \u00e0 la pression.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Le choix de la dimension appropri\u00e9e pour une bride \u00e0 recouvrement n\u00e9cessite une analyse minutieuse du diam\u00e8tre ext\u00e9rieur du tuyau, du diam\u00e8tre nominal, de l&rsquo;entraxe des boulons, de la classe de pression, du mat\u00e9riau et des normes internationales. L&rsquo;utilisation de tableaux et de normes garantit une s\u00e9lection pr\u00e9cise, pr\u00e9vient les fuites, r\u00e9duit la maintenance et renforce la s\u00e9curit\u00e9 des canalisations.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le choix de la taille ad\u00e9quate pour une bride \u00e0 collerette libre (lap joint) garantit un fonctionnement s\u00fbr et efficace des canalisations. Largement utilis\u00e9es dans les industries p\u00e9troli\u00e8re, gazi\u00e8re, chimique, hydrique et alimentaire, ces brides offrent une grande flexibilit\u00e9 d&rsquo;alignement et s&rsquo;utilisent conjointement avec des embouts \u00e0 collerette (stub ends). Opter pour la bonne dimension assure un alignement pr\u00e9cis, des connexions \u00e9tanches et la conformit\u00e9 aux normes internationales.<\/p>\n","protected":false},"author":1,"featured_media":14551,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"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":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-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":"","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-4)","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-4)","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-4)","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":[41],"tags":[],"class_list":["post-19362","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/posts\/19362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/comments?post=19362"}],"version-history":[{"count":2,"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/posts\/19362\/revisions"}],"predecessor-version":[{"id":19365,"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/posts\/19362\/revisions\/19365"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/media\/14551"}],"wp:attachment":[{"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/media?parent=19362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/categories?post=19362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.boberry-mach.com\/fr\/wp-json\/wp\/v2\/tags?post=19362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}