{"id":1026,"date":"2026-04-20T22:34:21","date_gmt":"2026-04-21T02:34:21","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=1026"},"modified":"2026-04-21T20:18:43","modified_gmt":"2026-04-22T00:18:43","slug":"flange-bolt-torque-values-complete-chart-for-all-pressure-classes","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/zh\/2026\/04\/20\/flange-bolt-torque-values-complete-chart-for-all-pressure-classes\/","title":{"rendered":"\u6240\u6709\u538b\u529b\u7b49\u7ea7\u7684\u6cd5\u5170\u87ba\u6813\u626d\u77e9\u503c\u5b8c\u6574\u56fe\u8868"},"content":{"rendered":"<h2>\u6b63\u786e\u7684\u6cd5\u5170\u87ba\u6813\u626d\u77e9\u6307\u5357<\/h2>\n<p>\u6b63\u786e\u7684\u87ba\u6813\u626d\u77e9\u5bf9\u4e8e\u5b9e\u73b0\u65e0\u6cc4\u6f0f\u6cd5\u5170\u8fde\u63a5\u81f3\u5173\u91cd\u8981\u3002\u626d\u77e9\u4e0d\u8db3\u4f1a\u5bfc\u81f4\u57ab\u7247\u70b8\u88c2\uff0c\u800c\u626d\u77e9\u8fc7\u5927\u5219\u4f1a\u635f\u574f\u57ab\u7247\u6216\u4f7f\u6cd5\u5170\u9762\u53d8\u5f62\u3002.<\/p>\n<h3>\u87ba\u6813\u626d\u77e9\u4e3a\u4f55\u91cd\u8981<\/h3>\n<ul>\n<li>\u786e\u4fdd\u57ab\u7247\u538b\u7f29\u5747\u5300<\/li>\n<li>\u9632\u6b62\u5de5\u4f5c\u6761\u4ef6\u4e0b\u7684\u6cd5\u5170\u6cc4\u6f0f<\/li>\n<li>\u8865\u507f\u57ab\u7247\u7684\u8815\u53d8\u548c\u677e\u5f1b<\/li>\n<li>\u5728\u70ed\u5faa\u73af\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u8fde\u63a5\u5b8c\u6574\u6027<\/li>\n<\/ul>\n<h3>150 \u7ea7\u87ba\u6813\u626d\u77e9\u503c\uff08\u82f1\u5c3a-\u78c5\uff09<\/h3>\n<table>\n<tr>\n<th>\u5c3a\u5bf8<\/th>\n<th>\u87ba\u6813\u5c3a\u5bf8<\/th>\n<th>\u6570\u91cf<\/th>\n<th>\u65e0\u6da6\u6ed1<\/th>\n<th>\u6da6\u6ed1<\/th>\n<\/tr>\n<tr>\n<td>1\/2\u2033<\/td>\n<td>1\/2\u2033-13<\/td>\n<td>4<\/td>\n<td>45<\/td>\n<td>35<\/td>\n<\/tr>\n<tr>\n<td>1\u2033<\/td>\n<td>5\/8\u2033-11<\/td>\n<td>4<\/td>\n<td>85<\/td>\n<td>65<\/td>\n<\/tr>\n<tr>\n<td>2\u2033<\/td>\n<td>3\/4\u2033-10<\/td>\n<td>4<\/td>\n<td>150<\/td>\n<td>115<\/td>\n<\/tr>\n<tr>\n<td>4\u2033<\/td>\n<td>5\/8\u2033-11<\/td>\n<td>8<\/td>\n<td>85<\/td>\n<td>65<\/td>\n<\/tr>\n<tr>\n<td>6\u2033<\/td>\n<td>3\/4\u2033-10<\/td>\n<td>8<\/td>\n<td>150<\/td>\n<td>115<\/td>\n<\/tr>\n<tr>\n<td>12\u2033<\/td>\n<td>7\/8\u2033-9<\/td>\n<td>12<\/td>\n<td>250<\/td>\n<td>190<\/td>\n<\/tr>\n<\/table>\n<h3>300 \u7ea7\u87ba\u6813\u626d\u77e9\u503c\uff08\u82f1\u5c3a-\u78c5\uff09<\/h3>\n<table>\n<tr>\n<th>\u5c3a\u5bf8<\/th>\n<th>\u87ba\u6813\u5c3a\u5bf8<\/th>\n<th>\u6570\u91cf<\/th>\n<th>\u65e0\u6da6\u6ed1<\/th>\n<th>\u6da6\u6ed1<\/th>\n<\/tr>\n<tr>\n<td>1\/2\u2033<\/td>\n<td>1\/2\u2033-13<\/td>\n<td>4<\/td>\n<td>65<\/td>\n<td>50<\/td>\n<\/tr>\n<tr>\n<td>2\u2033<\/td>\n<td>3\/4\u2033-10<\/td>\n<td>8<\/td>\n<td>185<\/td>\n<td>140<\/td>\n<\/tr>\n<tr>\n<td>4\u2033<\/td>\n<td>3\/4\u2033-10<\/td>\n<td>8<\/td>\n<td>185<\/td>\n<td>140<\/td>\n<\/tr>\n<tr>\n<td>6\u2033<\/td>\n<td>7\/8\u2033-9<\/td>\n<td>8<\/td>\n<td>290<\/td>\n<td>220<\/td>\n<\/tr>\n<tr>\n<td>12\u2033<\/td>\n<td>1\u2033-8<\/td>\n<td>12<\/td>\n<td>425<\/td>\n<td>320<\/td>\n<\/tr>\n<\/table>\n<h3>600-2500 \u7ea7\u626d\u77e9\u6307\u5357<\/h3>\n<p>\u538b\u529b\u7b49\u7ea7\u8d8a\u9ad8\uff0c\u6240\u9700\u7684\u626d\u77e9\u503c\u5c31\u8d8a\u5927\u3002\u5bf9\u4e8e 900\u30011500 \u548c 2500 \u7ea7\u6cd5\u5170\uff0c\u8bf7\u52a1\u5fc5\u53c2\u8003\u5236\u9020\u5546\u7684\u89c4\u683c\u8bf4\u660e\u3002.<\/p>\n<h3>\u87ba\u6813\u626d\u7d27\u7a0b\u5e8f<\/h3>\n<ol>\n<li><strong>\u5e72\u51c0<\/strong> \u6e05\u9664\u6cd5\u5170\u9762\u4e0a\u7684\u6c61\u57a2\u3001\u9508\u8ff9\u548c\u65e7\u57ab\u7247\u6750\u6599<\/li>\n<li><strong>\u68c0\u67e5\uff1a<\/strong> \u68c0\u67e5\u6cd5\u5170\u9762\u662f\u5426\u635f\u574f\u6216\u7fd8\u66f2<\/li>\n<li><strong>\u6da6\u6ed1\uff1a<\/strong> \u5728\u87ba\u6813\u87ba\u7eb9\u548c\u87ba\u6bcd\u8868\u9762\u6d82\u62b9\u9632\u5361\u5316\u5408\u7269<\/li>\n<li><strong>\u63d2\u5165\uff1a<\/strong> \u5c06\u57ab\u7247\u653e\u5728\u6cd5\u5170\u9762\u7684\u4e2d\u5fc3\u4f4d\u7f6e<\/li>\n<li><strong>\u7528\u624b\u62e7\u7d27\uff1a<\/strong> \u7528\u624b\u6307\u62e7\u7d27\u6240\u6709\u87ba\u6bcd<\/li>\n<li><strong>\u56fe\u6848<\/strong> \u4f7f\u7528\u661f\u5f62\/\u5341\u5b57\u5f62\u56fe\u6848\uff0c\u5b9e\u73b0\u5747\u5300\u538b\u7f29<\/li>\n<li><strong>\u987a\u5e8f\uff1a<\/strong> \u626d\u77e9\u4e3a\u6700\u7ec8\u503c\u7684 30%\uff0c\u7136\u540e\u4e3a 60%\uff0c\u6700\u540e\u4e3a 100%<\/li>\n<li><strong>\u9a8c\u8bc1\uff1a<\/strong> \u521d\u59cb\u626d\u77e9\u540e\u91cd\u65b0\u68c0\u67e5\u6240\u6709\u87ba\u6813<\/li>\n<\/ol>\n<h3>\u91cd\u8981\u8003\u8651\u56e0\u7d20<\/h3>\n<ul>\n<li><strong>\u57ab\u7247\u7c7b\u578b\uff1a<\/strong> \u4e0d\u540c\u7684\u57ab\u5708\u9700\u8981\u4e0d\u540c\u7684\u538b\u7f29\u8f7d\u8377<\/li>\n<li><strong>\u87ba\u6813\u6750\u6599\uff1a<\/strong> ASTM A193 B7 \u4e0e B16 \u7684\u5f3a\u5ea6\u7b49\u7ea7\u4e0d\u540c<\/li>\n<li><strong>\u6da6\u6ed1\uff1a<\/strong> \u6240\u9700\u626d\u77e9\u51cf\u5c11 20-25%<\/li>\n<li><strong>\u6e29\u5ea6<\/strong> \u5728\u9ad8\u6e29\u6761\u4ef6\u4e0b\u4f7f\u7528\u65f6\u53ef\u80fd\u9700\u8981\u70ed\u626d\u7d27<\/li>\n<li><strong>\u91cd\u65b0\u626d\u7d27\uff1a<\/strong> \u8003\u8651\u5728\u70ed\u5faa\u73af\u540e\u91cd\u65b0\u62e7\u7d27<\/li>\n<\/ul>\n<h3>\u5e94\u907f\u514d\u7684\u5e38\u89c1\u9519\u8bef<\/h3>\n<ul>\n<li>\u5728\u672a\u6821\u51c6\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u51b2\u51fb\u6273\u624b<\/li>\n<li>\u4ee5\u5706\u5f62\u6a21\u5f0f\u800c\u975e\u661f\u5f62\u6a21\u5f0f\u626d\u7d27<\/li>\n<li>\u8df3\u8fc7\u591a\u6b65\u9aa4\u626d\u77e9\u5e8f\u5217<\/li>\n<li>\u91cd\u590d\u4f7f\u7528\u635f\u574f\u6216\u62c9\u4f38\u7684\u87ba\u6813<\/li>\n<li>\u5ffd\u7565\u57ab\u7247\u5236\u9020\u5546\u7684\u626d\u77e9\u5efa\u8bae<\/li>\n<\/ul>\n<p>\u6b63\u786e\u7684\u87ba\u6813\u626d\u77e9\u5bf9\u4e8e\u6cd5\u5170\u63a5\u5934\u65e0\u6cc4\u6f0f\u81f3\u5173\u91cd\u8981\u3002\u59cb\u7ec8\u9075\u5faa\u65e2\u5b9a\u7a0b\u5e8f\u5e76\u4f7f\u7528\u6821\u51c6\u8fc7\u7684\u626d\u77e9\u5de5\u5177\u3002.<\/p>\n<p><strong>WhatsApp\uff1a<\/strong>\u00a0+86-18658777855<br \/>\n<strong>\u7535\u5b50\u90ae\u4ef6\uff1a<\/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>Proper Flange Bolt Torquing Guide Correct bolt torque is critical for achieving leak-free flange joints. Under-torquing causes gasket blowout, while over-torquing can damage gaskets or warp flange faces. Why Bolt Torque Matters Ensures uniform gasket compression Prevents flange leakage under operating conditions Compensates for gasket creep and relaxation Maintains joint integrity during thermal cycling Class [&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":[87,66,88,72],"class_list":["post-1026","post","type-post","status-publish","format-standard","hentry","category-blog","tag-bolt-torque","tag-flange","tag-gasket","tag-rating"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1026","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/comments?post=1026"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1026\/revisions"}],"predecessor-version":[{"id":1035,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1026\/revisions\/1035"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/media?parent=1026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/categories?post=1026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/tags?post=1026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}