{"id":864,"date":"2026-04-09T12:36:34","date_gmt":"2026-04-09T04:36:34","guid":{"rendered":""},"modified":"2026-04-10T00:19:16","modified_gmt":"2026-04-10T04:19:16","slug":"flange-bolt-torque-chart-tightening-procedures","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/fr\/2026\/04\/09\/flange-bolt-torque-chart-tightening-procedures\/","title":{"rendered":"Tableau des couples de serrage des boulons de bride : Proc\u00e9dures de serrage correctes"},"content":{"rendered":"<figure class=\"flange-image\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; margin: 20px 0; border: 1px solid #ddd; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1);\" src=\"\/wp-content\/uploads\/flange-images\/torque-chart.svg\" alt=\"Bolt Torque Sequence\" title=\"\"><\/figure>\n<h1>Tableau des couples de serrage des boulons de bride : Proc\u00e9dures de serrage correctes<\/h1>\n<p><strong>Couple de serrage appropri\u00e9<\/strong> est essentiel pour assurer l'\u00e9tanch\u00e9it\u00e9 des raccords de brides. Un serrage insuffisant entra\u00eene des fuites ; un serrage excessif peut endommager les joints ou d\u00e9former les brides.<\/p>\n<h2>L'importance du couple de serrage des boulons<\/h2>\n<p>Les boulons de bride doivent cr\u00e9er une compression suffisante du joint pour assurer l'\u00e9tanch\u00e9it\u00e9 sans d\u00e9passer la limite d'\u00e9lasticit\u00e9 du mat\u00e9riau. Le couple de serrage correct garantit :<\/p>\n<ul>\n<li>Compression uniforme du joint<\/li>\n<li>Pr\u00e9vention du rel\u00e2chement des boulons<\/li>\n<li>\u00c9viter l'\u00e9clatement du joint<\/li>\n<li>Dur\u00e9e de vie prolong\u00e9e<\/li>\n<\/ul>\n<h2>Formule de calcul du couple<\/h2>\n<p><strong>T = K \u00d7 D \u00d7 F<\/strong><\/p>\n<ul>\n<li>T = Couple (Nm ou ft-lbs)<\/li>\n<li>K = Facteur d'\u00e9crasement (coefficient de frottement, g\u00e9n\u00e9ralement 0,2)<\/li>\n<li>D = Diam\u00e8tre nominal du boulon (mm ou pouces)<\/li>\n<li>F = Charge sur le boulon (N ou lbs)<\/li>\n<\/ul>\n<h2>Tableau des couples de serrage des boulons ASME B16.5<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Taille de la bride<\/th>\n<th>Classe 150<\/th>\n<th>Classe 300<\/th>\n<th>Classe 600<\/th>\n<\/tr>\n<tr>\n<td>1\/2\u2033 (DN15)<\/td>\n<td>15 pieds-livres<\/td>\n<td>25 pieds-livres<\/td>\n<td>40 pieds-livres<\/td>\n<\/tr>\n<tr>\n<td>1\u2033 (DN25)<\/td>\n<td>45 pieds-livres<\/td>\n<td>75 pieds-livres<\/td>\n<td>120 pieds-livres<\/td>\n<\/tr>\n<tr>\n<td>2\u2033 (DN50)<\/td>\n<td>95 pieds-livres<\/td>\n<td>160 pieds-livres<\/td>\n<td>250 pieds-livres<\/td>\n<\/tr>\n<tr>\n<td>4\u2033 (DN100)<\/td>\n<td>185 pieds-livres<\/td>\n<td>310 pieds-livres<\/td>\n<td>490 ft-lbs<\/td>\n<\/tr>\n<tr>\n<td>6\u2033 (DN150)<\/td>\n<td>280 pieds-livres<\/td>\n<td>470 pieds-livres<\/td>\n<td>740 ft-lbs<\/td>\n<\/tr>\n<tr>\n<td>8\u2033 (DN200)<\/td>\n<td>380 pieds-livres<\/td>\n<td>640 ft-lbs<\/td>\n<td>1010 ft-lbs<\/td>\n<\/tr>\n<tr>\n<td>12\u2033 (DN300)<\/td>\n<td>570 pieds-livres<\/td>\n<td>960 pieds-livres<\/td>\n<td>1520 ft-lbs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>S\u00e9quence de serrage des boulons<\/h2>\n<ol>\n<li><strong>Resserrement des motifs crois\u00e9s :<\/strong> D\u00e9part \u00e0 12 heures, oppos\u00e9 \u00e0 6 heures<\/li>\n<li><strong>Couple 30% :<\/strong> Serrer tous les boulons dans l'ordre<\/li>\n<li><strong>Couple 60% :<\/strong> Deuxi\u00e8me passage dans la m\u00eame s\u00e9quence<\/li>\n<li><strong>Couple 100% :<\/strong> Derni\u00e8re passe au couple sp\u00e9cifi\u00e9<\/li>\n<li><strong>V\u00e9rifier :<\/strong> V\u00e9rifier que tous les boulons atteignent le couple cible<\/li>\n<\/ol>\n<h2>Erreurs courantes en mati\u00e8re de couple<\/h2>\n<ul>\n<li>\u274c Utilisation de cl\u00e9s \u00e0 chocs (charge in\u00e9gale)<\/li>\n<li>\u274c Serrage s\u00e9quentiel des boulons autour du cercle (d\u00e9formation de la bride)<\/li>\n<li>\u274c R\u00e9utilisation de boulons endommag\u00e9s ou \u00e9tir\u00e9s<\/li>\n<li>\u274c Ne pas lubrifier les filets (augmente la friction)<\/li>\n<li>\u274c Ignorer le type de joint (exigences de compression diff\u00e9rentes)<\/li>\n<\/ul>\n<h2>Recommandation concernant les outils dynamom\u00e9triques<\/h2>\n<ul>\n<li>Cl\u00e9 dynamom\u00e9trique \u00e9talonn\u00e9e (\u00e0 cliquet ou num\u00e9rique)<\/li>\n<li>Multiplicateur de couple pour les gros boulons<\/li>\n<li>Cl\u00e9 dynamom\u00e9trique hydraulique pour applications critiques<\/li>\n<li>Tendeur de boulons pour brides de grand diam\u00e8tre<\/li>\n<\/ul>\n<div class=\"quote-box\">\n<h3>\ud83d\udcde T\u00e9l\u00e9charger le tableau de couple complet<\/h3>\n<p><strong>WhatsApp :<\/strong> +86-18658777855<\/p>\n<p><strong>Courriel :<\/strong> 1007788887@qq.com<\/p>\n<p>\u2713 Tableaux de couple complets \u2713 Guides d'installation \u2713 Assistance technique<\/p>\n<\/div>\n<p><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>Complete flange bolt torque chart and tightening procedures. Learn proper torque values for ASME B16.5 Class 150-2500 flanges. Prevent leaks with correct installation.<\/p>","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":[],"class_list":["post-864","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/864","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=864"}],"version-history":[{"count":4,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/864\/revisions"}],"predecessor-version":[{"id":907,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/posts\/864\/revisions\/907"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/media?parent=864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/categories?post=864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/fr\/wp-json\/wp\/v2\/tags?post=864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}