{"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\/vi\/2026\/04\/09\/flange-bolt-torque-chart-tightening-procedures\/","title":{"rendered":"B\u1ea3ng m\u00f4-men xo\u1eafn bu-l\u00f4ng m\u1eb7t b\u00edch: Quy tr\u00ecnh si\u1ebft ch\u1eb7t \u0111\u00fang c\u00e1ch"},"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>B\u1ea3ng m\u00f4-men xo\u1eafn bu-l\u00f4ng m\u1eb7t b\u00edch: Quy tr\u00ecnh si\u1ebft ch\u1eb7t \u0111\u00fang c\u00e1ch<\/h1>\n<p><strong>M\u00f4-men xo\u1eafn bu-l\u00f4ng \u0111\u00fang ti\u00eau chu\u1ea9n<\/strong> l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1ed1i n\u1ed1i m\u1eb7t b\u00edch kh\u00f4ng b\u1ecb r\u00f2 r\u1ec9. Si\u1ebft kh\u00f4ng \u0111\u1ee7 l\u1ef1c s\u1ebd g\u00e2y r\u00f2 r\u1ec9; si\u1ebft qu\u00e1 l\u1ef1c c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng gio\u0103ng ho\u1eb7c l\u00e0m cong m\u1eb7t b\u00edch.<\/p>\n<h2>T\u1ea1i sao m\u00f4-men xo\u1eafn c\u1ee7a bu-l\u00f4ng l\u1ea1i quan tr\u1ecdng<\/h2>\n<p>Bu l\u00f4ng m\u1eb7t b\u00edch ph\u1ea3i t\u1ea1o ra l\u1ef1c n\u00e9n \u0111\u1ee7 m\u1ea1nh l\u00ean mi\u1ebfng \u0111\u1ec7m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 k\u00edn m\u00e0 kh\u00f4ng l\u00e0m v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ch\u1ea3y c\u1ee7a v\u1eadt li\u1ec7u. M\u00f4-men xo\u1eafn \u0111\u00fang \u0111\u1ea3m b\u1ea3o:<\/p>\n<ul>\n<li>\u00c1p l\u1ef1c n\u00e9n \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a mi\u1ebfng \u0111\u1ec7m<\/li>\n<li>Ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng gi\u00e3n l\u1ecfng bu-l\u00f4ng<\/li>\n<li>Ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng v\u1ee1 gio\u0103ng<\/li>\n<li>Tu\u1ed5i th\u1ecd \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i<\/li>\n<\/ul>\n<h2>C\u00f4ng th\u1ee9c t\u00ednh m\u00f4-men xo\u1eafn<\/h2>\n<p><strong>T = K \u00d7 D \u00d7 F<\/strong><\/p>\n<ul>\n<li>T = M\u00f4-men xo\u1eafn (Nm ho\u1eb7c ft-lbs)<\/li>\n<li>K = H\u1ec7 s\u1ed1 ma s\u00e1t (th\u01b0\u1eddng l\u00e0 0,2)<\/li>\n<li>D = \u0110\u01b0\u1eddng k\u00ednh danh ngh\u0129a c\u1ee7a bu l\u00f4ng (mm ho\u1eb7c inch)<\/li>\n<li>F = L\u1ef1c t\u00e1c d\u1ee5ng l\u00ean bu-l\u00f4ng (N ho\u1eb7c lbs)<\/li>\n<\/ul>\n<h2>B\u1ea3ng m\u00f4-men xo\u1eafn bu-l\u00f4ng theo ti\u00eau chu\u1ea9n ASME B16.5<\/h2>\n<table>\n<tbody>\n<tr>\n<th>K\u00edch th\u01b0\u1edbc m\u1eb7t b\u00edch<\/th>\n<th>L\u1edbp 150<\/th>\n<th>Lo\u1ea1i 300<\/th>\n<th>Lo\u1ea1i 600<\/th>\n<\/tr>\n<tr>\n<td>1\/2\u2033 (DN15)<\/td>\n<td>15 ft-lbs<\/td>\n<td>25 ft-lbs<\/td>\n<td>40 ft-lbs<\/td>\n<\/tr>\n<tr>\n<td>1\u2033 (DN25)<\/td>\n<td>45 ft-lbs<\/td>\n<td>75 ft-lbs<\/td>\n<td>120 ft-lbs<\/td>\n<\/tr>\n<tr>\n<td>2\u2033 (DN50)<\/td>\n<td>95 ft-lbs<\/td>\n<td>160 ft-lbs<\/td>\n<td>250 ft-lbs<\/td>\n<\/tr>\n<tr>\n<td>4\u2033 (DN100)<\/td>\n<td>185 ft-lbs<\/td>\n<td>310 ft-lbs<\/td>\n<td>490 ft-lbs<\/td>\n<\/tr>\n<tr>\n<td>6 inch (DN150)<\/td>\n<td>280 ft-lbs<\/td>\n<td>470 ft-lbs<\/td>\n<td>740 ft-lbs<\/td>\n<\/tr>\n<tr>\n<td>8 inch (DN200)<\/td>\n<td>380 ft-lbs<\/td>\n<td>640 ft-lbs<\/td>\n<td>1.010 ft-lbs<\/td>\n<\/tr>\n<tr>\n<td>12 inch (DN300)<\/td>\n<td>570 ft-lbs<\/td>\n<td>960 ft-lbs<\/td>\n<td>1.520 ft-lbs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Tr\u00ecnh t\u1ef1 si\u1ebft bu-l\u00f4ng \u0111\u00fang c\u00e1ch<\/h2>\n<ol>\n<li><strong>Si\u1ebft ch\u1eb7t theo h\u00ecnh ch\u1eef th\u1eadp:<\/strong> B\u1eaft \u0111\u1ea7u t\u1eeb v\u1ecb tr\u00ed 12 gi\u1edd, \u0111\u1ed1i di\u1ec7n \u1edf v\u1ecb tr\u00ed 6 gi\u1edd<\/li>\n<li><strong>M\u00f4-men xo\u1eafn 30%:<\/strong> Si\u1ebft ch\u1eb7t t\u1ea5t c\u1ea3 c\u00e1c bu-l\u00f4ng theo th\u1ee9 t\u1ef1<\/li>\n<li><strong>M\u00f4-men xo\u1eafn 60%:<\/strong> L\u1ea7n l\u1eb7p th\u1ee9 hai trong c\u00f9ng m\u1ed9t chu\u1ed7i<\/li>\n<li><strong>M\u00f4-men xo\u1eafn 100%:<\/strong> V\u00f2ng si\u1ebft cu\u1ed1i c\u00f9ng \u0111\u1ebfn m\u00f4-men xo\u1eafn quy \u0111\u1ecbnh<\/li>\n<li><strong>Ki\u1ec3m tra:<\/strong> Ki\u1ec3m tra xem t\u1ea5t c\u1ea3 c\u00e1c bu-l\u00f4ng \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u00f4-men xo\u1eafn \u0111\u1ecbnh m\u1ee9c ch\u01b0a<\/li>\n<\/ol>\n<h2>Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p khi si\u1ebft l\u1ef1c<\/h2>\n<ul>\n<li>\u274c S\u1eed d\u1ee5ng m\u00e1y v\u1eb7n bu-l\u00f4ng t\u00e1c \u0111\u1ed9ng (g\u00e2y ra l\u1ef1c t\u00e1c \u0111\u1ed9ng kh\u00f4ng \u0111\u1ec1u)<\/li>\n<li>\u274c Si\u1ebft ch\u1eb7t c\u00e1c bu-l\u00f4ng theo th\u1ee9 t\u1ef1 theo h\u00ecnh tr\u00f2n (l\u00e0m bi\u1ebfn d\u1ea1ng m\u1eb7t b\u00edch)<\/li>\n<li>\u274c Kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng c\u00e1c bu-l\u00f4ng b\u1ecb h\u1ecfng ho\u1eb7c b\u1ecb gi\u00e3n<\/li>\n<li>\u274c Kh\u00f4ng b\u00f4i tr\u01a1n ren (l\u00e0m t\u0103ng ma s\u00e1t)<\/li>\n<li>\u274c B\u1ecf qua lo\u1ea1i gio\u0103ng (y\u00eau c\u1ea7u n\u00e9n kh\u00e1c nhau)<\/li>\n<\/ul>\n<h2>G\u1ee3i \u00fd v\u1ec1 d\u1ee5ng c\u1ee5 v\u1eb7n v\u00edt<\/h2>\n<ul>\n<li>C\u1edd-l\u00ea \u0111o m\u00f4-men xo\u1eafn \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n (lo\u1ea1i b\u1ea5m ho\u1eb7c k\u1ef9 thu\u1eadt s\u1ed1)<\/li>\n<li>B\u1ed9 nh\u00e2n m\u00f4-men xo\u1eafn cho bu-l\u00f4ng c\u1ee1 l\u1edbn<\/li>\n<li>C\u1edd-l\u00ea m\u00f4-men xo\u1eafn th\u1ee7y l\u1ef1c d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng<\/li>\n<li>Thi\u1ebft b\u1ecb si\u1ebft bu-l\u00f4ng cho m\u1eb7t b\u00edch \u0111\u01b0\u1eddng k\u00ednh l\u1edbn<\/li>\n<\/ul>\n<div class=\"quote-box\">\n<h3>\ud83d\udcde T\u1ea3i xu\u1ed1ng Bi\u1ec3u \u0111\u1ed3 m\u00f4-men xo\u1eafn \u0111\u1ea7y \u0111\u1ee7<\/h3>\n<p><strong>WhatsApp:<\/strong> +86-18658777855<\/p>\n<p><strong>Email:<\/strong> 1007788887@qq.com<\/p>\n<p>\u2713 B\u1ea3ng m\u00f4-men xo\u1eafn \u0111\u1ea7y \u0111\u1ee7 \u2713 H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t \u2713 H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt<\/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\/vi\/wp-json\/wp\/v2\/posts\/864","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/comments?post=864"}],"version-history":[{"count":4,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/864\/revisions"}],"predecessor-version":[{"id":907,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/864\/revisions\/907"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/media?parent=864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/categories?post=864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/tags?post=864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}