{"id":1028,"date":"2026-04-20T22:34:39","date_gmt":"2026-04-21T02:34:39","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=1028"},"modified":"2026-04-21T20:18:51","modified_gmt":"2026-04-22T00:18:51","slug":"how-to-read-flange-size-chart-asme-dimension-tables-guide","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/zh\/2026\/04\/20\/how-to-read-flange-size-chart-asme-dimension-tables-guide\/","title":{"rendered":"\u5982\u4f55\u9605\u8bfb\u6cd5\u5170\u5c3a\u5bf8\u8868 ASME \u5c3a\u5bf8\u8868\u6307\u5357"},"content":{"rendered":"<h2>\u6cd5\u5170\u5c3a\u5bf8\u8868\u9605\u8bfb\u6307\u5357<\/h2>\n<p>\u4e86\u89e3\u6cd5\u5170\u5c3a\u5bf8\u8868\u5bf9\u4e8e\u6b63\u786e\u9009\u62e9\u3001\u91c7\u8d2d\u548c\u5b89\u88c5\u6cd5\u5170\u81f3\u5173\u91cd\u8981\u3002\u672c\u6307\u5357\u4ecb\u7ecd\u4e86\u5982\u4f55\u9605\u8bfb\u548c\u89e3\u91ca ASME \u6cd5\u5170\u5c3a\u5bf8\u8868\u3002.<\/p>\n<h3>\u6cd5\u5170\u56fe\u4e2d\u7684\u5173\u952e\u5c3a\u5bf8<\/h3>\n<h4>1.\u516c\u79f0\u7ba1\u9053\u5c3a\u5bf8\uff08NPS\uff09<\/h4>\n<p>\u6cd5\u5170\u8fde\u63a5\u7684\u6307\u5b9a\u7ba1\u9053\u5c3a\u5bf8\u3002\u8bf7\u6ce8\u610f\uff0c\u5bf9\u4e8e NPS 12 \u4ee5\u4e0a\u7684\u5c3a\u5bf8\uff0cNPS \u4e0d\u7b49\u4e8e\u5b9e\u9645\u7ba1\u9053\u76f4\u5f84\u3002.<\/p>\n<h4>2.\u5916\u5f84\uff08OD\uff09<\/h4>\n<p>\u6cd5\u5170\u7684\u603b\u76f4\u5f84\u3002\u5bf9\u4e8e\u786e\u4fdd\u7ba1\u9053\u67b6\u548c\u8bbe\u5907\u5e03\u5c40\u7684\u9002\u5f53\u95f4\u9699\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n<h4>3.\u87ba\u6813\u5706\u76f4\u5f84 (BC)<\/h4>\n<p>\u901a\u8fc7\u87ba\u6813\u5b54\u4e2d\u5fc3\u7684\u5706\u7684\u76f4\u5f84\u3002\u5bf9\u6cd5\u5170\u5bf9\u9f50\u548c\u87ba\u6813\u5b54\u5339\u914d\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n<h4>4.\u87ba\u6813\u6570\u91cf<\/h4>\n<p>\u56e0\u5c3a\u5bf8\u548c\u538b\u529b\u7b49\u7ea7\u800c\u5f02\u3002\u538b\u529b\u7b49\u7ea7\u8d8a\u9ad8\uff0c\u9700\u8981\u7684\u87ba\u6813\u8d8a\u591a\uff0c\u5bc6\u5c01\u6027\u8d8a\u597d\u3002.<\/p>\n<h4>5.\u87ba\u6813\u5b54\u76f4\u5f84<\/h4>\n<p>\u87ba\u6813\u5b54\u7684\u5c3a\u5bf8\u3002\u6807\u51c6\u95f4\u9699\u6bd4\u87ba\u6813\u76f4\u5f84\u5927 1\/16\u2033 \u81f3 1\/8\u2033\u3002.<\/p>\n<h4>6.\u6cd5\u5170\u539a\u5ea6<\/h4>\n<p>\u968f\u538b\u529b\u7b49\u7ea7\u589e\u52a0\u3002\u5f71\u54cd\u6cd5\u5170\u91cd\u91cf\u548c\u7ed3\u6784\u5f3a\u5ea6\u3002.<\/p>\n<h4>7.\u8f6e\u6bc2\u5c3a\u5bf8<\/h4>\n<ul>\n<li>\u8f6e\u6bc2\u5e95\u90e8\u76f4\u5f84 (B)<\/li>\n<li>\u710a\u63a5\u5904\u8f6e\u6bc2\u76f4\u5f84\uff08\u7528\u4e8e\u710a\u63a5\u9888\u90e8\uff09<\/li>\n<li>\u8f6e\u6bc2\u957f\u5ea6\uff08\u7528\u4e8e\u710a\u63a5\u9888\uff09<\/li>\n<\/ul>\n<h3>ASME B16.5 150 \u7ea7\u5c3a\u5bf8\u6837\u672c<\/h3>\n<table>\n<tr>\n<th>NPS<\/th>\n<th>OD<\/th>\n<th>\u4e0d\u5217\u98a0\u54e5\u4f26\u6bd4\u4e9a\u7701<\/th>\n<th>\u87ba\u6813<\/th>\n<th>\u5b54\u6d1e<\/th>\n<th>\u539a<\/th>\n<\/tr>\n<tr>\n<td>1\/2\u2033<\/td>\n<td>3.50\u2033<\/td>\n<td>2.38\u2033<\/td>\n<td>4<\/td>\n<td>0.62\u2033<\/td>\n<td>0.44\u2033<\/td>\n<\/tr>\n<tr>\n<td>1\u2033<\/td>\n<td>4.25\u2033<\/td>\n<td>3.12\u2033<\/td>\n<td>4<\/td>\n<td>0.62\u2033<\/td>\n<td>0.56\u2033<\/td>\n<\/tr>\n<tr>\n<td>2\u2033<\/td>\n<td>6.00\u2033<\/td>\n<td>4.75\u2033<\/td>\n<td>4<\/td>\n<td>0.75\u2033<\/td>\n<td>0.62\u2033<\/td>\n<\/tr>\n<tr>\n<td>4\u2033<\/td>\n<td>9.00\u2033<\/td>\n<td>7.50\u2033<\/td>\n<td>8<\/td>\n<td>0.75\u2033<\/td>\n<td>0.81\u2033<\/td>\n<\/tr>\n<tr>\n<td>6\u2033<\/td>\n<td>11.00\u2033<\/td>\n<td>9.50\u2033<\/td>\n<td>8<\/td>\n<td>0.88\u2033<\/td>\n<td>0.94\u2033<\/td>\n<\/tr>\n<tr>\n<td>12\u2033<\/td>\n<td>19.00\u2033<\/td>\n<td>17.00\u2033<\/td>\n<td>12<\/td>\n<td>1.00\u2033<\/td>\n<td>1.12\u2033<\/td>\n<\/tr>\n<\/table>\n<h3>ASME B16.5 300 \u7ea7\u5c3a\u5bf8\u6837\u672c<\/h3>\n<table>\n<tr>\n<th>NPS<\/th>\n<th>OD<\/th>\n<th>\u4e0d\u5217\u98a0\u54e5\u4f26\u6bd4\u4e9a\u7701<\/th>\n<th>\u87ba\u6813<\/th>\n<th>\u5b54\u6d1e<\/th>\n<th>\u539a<\/th>\n<\/tr>\n<tr>\n<td>1\/2\u2033<\/td>\n<td>3.75\u2033<\/td>\n<td>2.62\u2033<\/td>\n<td>4<\/td>\n<td>0.62\u2033<\/td>\n<td>0.56\u2033<\/td>\n<\/tr>\n<tr>\n<td>2\u2033<\/td>\n<td>6.50\u2033<\/td>\n<td>5.00\u2033<\/td>\n<td>8<\/td>\n<td>0.75\u2033<\/td>\n<td>0.81\u2033<\/td>\n<\/tr>\n<tr>\n<td>4\u2033<\/td>\n<td>10.00\u2033<\/td>\n<td>7.88\u2033<\/td>\n<td>8<\/td>\n<td>0.88\u2033<\/td>\n<td>1.06\u2033<\/td>\n<\/tr>\n<tr>\n<td>6\u2033<\/td>\n<td>12.50\u2033<\/td>\n<td>10.62\u2033<\/td>\n<td>12<\/td>\n<td>0.88\u2033<\/td>\n<td>1.25\u2033<\/td>\n<\/tr>\n<tr>\n<td>12\u2033<\/td>\n<td>21.50\u2033<\/td>\n<td>17.00\u2033<\/td>\n<td>16<\/td>\n<td>1.12\u2033<\/td>\n<td>1.75\u2033<\/td>\n<\/tr>\n<\/table>\n<h3>\u5982\u4f55\u4f7f\u7528\u5c3a\u5bf8\u56fe<\/h3>\n<ol>\n<li><strong>\u786e\u5b9a NPS\uff1a<\/strong> \u4e0e\u7ba1\u9053\u5c3a\u5bf8\u76f8\u5339\u914d<\/li>\n<li><strong>\u9009\u62e9\u73ed\u7ea7\uff1a<\/strong> \u57fa\u4e8e\u8bbe\u8ba1\u538b\u529b\u548c\u6e29\u5ea6<\/li>\n<li><strong>\u68c0\u67e5\u5916\u5f84\uff1a<\/strong> \u6838\u5b9e\u7a7a\u95f4\u9650\u5236<\/li>\n<li><strong>\u9a8c\u8bc1 BC\uff1a<\/strong> \u786e\u4fdd\u914d\u5957\u6cd5\u5170\u7684\u517c\u5bb9\u6027<\/li>\n<li><strong>\u786e\u8ba4\u87ba\u6813\u6a21\u5f0f\uff1a<\/strong> \u5339\u914d\u87ba\u6813\u6570\u91cf\u548c\u5c3a\u5bf8<\/li>\n<li><strong>\u5ba1\u67e5\u67a2\u7ebd\uff1a<\/strong> \u786e\u4fdd\u710a\u7ba1\u4e0e\u710a\u9888\u6b63\u786e\u914d\u5408<\/li>\n<\/ol>\n<h3>\u91cd\u8981\u8bf4\u660e<\/h3>\n<ul>\n<li>\u5c3a\u5bf8\u5355\u4f4d\u4e3a\u82f1\u5bf8\uff08\u4e58\u4ee5 25.4 \u8868\u793a\u6beb\u7c73\uff09<\/li>\n<li>ASME B16.5 \u89c4\u5b9a\u7684\u516c\u5dee<\/li>\n<li>150 \u7ea7\u548c 300 \u7ea7\u5171\u7528\u76f8\u540c\u7684\u5916\u5f84\uff0c\u9002\u7528\u4e8e NPS 1\/2 \u81f3 12<\/li>\n<li>\u9ad8\u7b49\u7ea7\u7684\u5916\u5f84\u66f4\u5927\uff0c\u87ba\u6813\u66f4\u591a<\/li>\n<li>\u76f2\u6cd5\u5170\u5177\u6709\u76f8\u540c\u7684\u5916\u5f84\u548c\u87ba\u6813\u6a21\u5f0f\uff0c\u4f46\u6ca1\u6709\u8f6e\u6bc2<\/li>\n<\/ul>\n<h3>\u5e38\u89c1\u9519\u8bef<\/h3>\n<ul>\n<li>\u6df7\u6dc6 NPS \u4e0e\u5b9e\u9645\u7ba1\u9053\u76f4\u5f84<\/li>\n<li>\u6df7\u5408\u538b\u529b\u7b49\u7ea7\uff08\u87ba\u6813\u578b\u5f0f\u4e0d\u540c\uff09<\/li>\n<li>\u88c5\u914d\u65f6\u672a\u8003\u8651\u57ab\u7247\u539a\u5ea6<\/li>\n<li>\u5ffd\u7565\u710a\u9888\u5b89\u88c5\u65f6\u7684\u8f6e\u6bc2\u5c3a\u5bf8<\/li>\n<\/ul>\n<p>\u6709\u5173\u5b8c\u6574\u7684\u5c3a\u5bf8\u6570\u636e\u548c\u516c\u5dee\uff0c\u8bf7\u52a1\u5fc5\u53c2\u8003\u6700\u65b0\u7684 ASME B16.5 \u6807\u51c6\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>Flange Size Chart Reading Guide Understanding flange dimension tables is essential for proper flange selection, procurement, and installation. This guide explains how to read and interpret ASME flange size charts. Key Dimensions in Flange Charts 1. Nominal Pipe Size (NPS) The designated pipe size the flange connects to. Note that NPS does not equal actual [&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":[81,84,66,70],"class_list":["post-1028","post","type-post","status-publish","format-standard","hentry","category-blog","tag-ansi","tag-din","tag-flange","tag-standard"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1028","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=1028"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1028\/revisions"}],"predecessor-version":[{"id":1036,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1028\/revisions\/1036"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/media?parent=1028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/categories?post=1028"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/tags?post=1028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}