{"id":1016,"date":"2026-04-17T23:33:02","date_gmt":"2026-04-18T03:33:02","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=1016"},"modified":"2026-04-17T23:42:43","modified_gmt":"2026-04-18T03:42:43","slug":"flange-pressure-rating-class-150-to-2500-pn-selection-guide","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/zh\/2026\/04\/17\/flange-pressure-rating-class-150-to-2500-pn-selection-guide\/","title":{"rendered":"\u6cd5\u5170\u538b\u529b \u7b49\u7ea7 150 \u81f3 2500 PN \u9009\u62e9\u6307\u5357"},"content":{"rendered":"<h2>\u4e86\u89e3\u6cd5\u5170\u538b\u529b\u989d\u5b9a\u503c<\/h2>\n<p>\u6cd5\u5170\u538b\u529b\u989d\u5b9a\u503c\u8868\u793a\u6cd5\u5170\u5728\u7279\u5b9a\u6e29\u5ea6\u4e0b\u53ef\u5b89\u5168\u627f\u53d7\u7684\u6700\u5927\u538b\u529b\u3002\u9009\u62e9\u6b63\u786e\u7684\u989d\u5b9a\u503c\u5bf9\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u548c\u5408\u89c4\u6027\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n<h3>ASME \u538b\u529b\u7b49\u7ea7<\/h3>\n<table>\n<tr>\n<th>\u73ed\u7ea7<\/th>\n<th>\u6700\u5927\u538b\u529b\uff08\u5df4\uff09<\/th>\n<th>\u6700\u5927\u538b\u529b\uff08\u78c5\/\u5e73\u65b9\u82f1\u5bf8\uff09<\/th>\n<th>\u5178\u578b\u5e94\u7528<\/th>\n<\/tr>\n<tr>\n<td>150 \u7ea7<\/td>\n<td>19.6<\/td>\n<td>285<\/td>\n<td>\u4f4e\u538b\u4f9b\u6c34\u3001\u4f9b\u6c14\u3001\u4e00\u822c\u670d\u52a1<\/td>\n<\/tr>\n<tr>\n<td>300 \u7ea7<\/td>\n<td>51.7<\/td>\n<td>750<\/td>\n<td>\u4e2d\u538b\u84b8\u6c7d\u3001\u5de5\u827a\u7ba1\u9053<\/td>\n<\/tr>\n<tr>\n<td>600 \u7ea7<\/td>\n<td>110.4<\/td>\n<td>1600<\/td>\n<td>\u9ad8\u538b\u84b8\u6c7d\u3001\u77f3\u6cb9\u548c\u5929\u7136\u6c14<\/td>\n<\/tr>\n<tr>\n<td>900 \u7ea7<\/td>\n<td>165.5<\/td>\n<td>2400<\/td>\n<td>\u9ad8\u538b\u5de5\u827a\u7ba1\u7ebf<\/td>\n<\/tr>\n<tr>\n<td>1500 \u7ea7<\/td>\n<td>275.9<\/td>\n<td>4000<\/td>\n<td>\u8d85\u9ad8\u538b\u4e95\u53e3\u8bbe\u5907<\/td>\n<\/tr>\n<tr>\n<td>2500 \u7ea7<\/td>\n<td>459.8<\/td>\n<td>6670<\/td>\n<td>\u6781\u538b\u5e94\u7528<\/td>\n<\/tr>\n<\/table>\n<h3>\u6b27\u6d32 PN \u8bc4\u7ea7<\/h3>\n<table>\n<tr>\n<th>PN \u7b49\u7ea7<\/th>\n<th>\u538b\u529b\uff08\u5df4\uff09<\/th>\n<th>\u7b49\u6548 ASME \u7b49\u7ea7<\/th>\n<\/tr>\n<tr>\n<td>PN6<\/td>\n<td>6<\/td>\n<td>\u4f4e\u4e8e 150 \u7ea7<\/td>\n<\/tr>\n<tr>\n<td>PN10<\/td>\n<td>10<\/td>\n<td>\u4f4e\u4e8e 150 \u7ea7<\/td>\n<\/tr>\n<tr>\n<td>PN16<\/td>\n<td>16<\/td>\n<td>150 \u7ea7<\/td>\n<\/tr>\n<tr>\n<td>PN25<\/td>\n<td>25<\/td>\n<td>150 \u7ea7<\/td>\n<\/tr>\n<tr>\n<td>PN40<\/td>\n<td>40<\/td>\n<td>300 \u7ea7<\/td>\n<\/tr>\n<tr>\n<td>PN63<\/td>\n<td>63<\/td>\n<td>400 \u7ea7<\/td>\n<\/tr>\n<tr>\n<td>PN100<\/td>\n<td>100<\/td>\n<td>600 \u7ea7<\/td>\n<\/tr>\n<\/table>\n<h3>\u6e29\u5ea6\u8003\u8651\u56e0\u7d20<\/h3>\n<p>\u538b\u529b\u989d\u5b9a\u503c\u968f\u6e29\u5ea6\u5347\u9ad8\u800c\u964d\u4f4e\u3002\u5728\u73af\u5883\u6e29\u5ea6\u4e0b\u989d\u5b9a\u538b\u529b\u4e3a 285 psi \u7684 150 \u7ea7\u6cd5\u5170\uff0c\u5728\u6e29\u5ea6\u4e3a 204\u00b0C (400\u00b0F) \u65f6\u989d\u5b9a\u538b\u529b\u53ef\u80fd\u53ea\u6709 150 psi\u3002.<\/p>\n<h3>\u5bf9\u8bc4\u7ea7\u7684\u91cd\u5927\u5f71\u54cd<\/h3>\n<ul>\n<li><strong>\u78b3\u94a2\uff08A105\uff09\uff1a<\/strong> \u6807\u51c6\u538b\u529b-\u6e29\u5ea6\u989d\u5b9a\u503c<\/li>\n<li><strong>\u4e0d\u9508\u94a2\uff08304\/316\uff09\uff1a<\/strong> \u8bc4\u7ea7\u76f8\u4f3c\uff0c\u8010\u8150\u8680\u6027\u66f4\u597d<\/li>\n<li><strong>\u5408\u91d1\u94a2\uff08F11\/F22\uff09\uff1a<\/strong> \u5728\u8f83\u9ad8\u6e29\u5ea6\u4e0b\u4fdd\u6301\u5f3a\u5ea6<\/li>\n<li><strong>\u53cc\u76f8\u94a2\uff1a<\/strong> \u5f3a\u5ea6\u66f4\u9ad8\uff0c\u8bbe\u8ba1\u66f4\u8584<\/li>\n<\/ul>\n<h3>\u8bc4\u7ea7\u9009\u62e9\u56e0\u7d20<\/h3>\n<ol>\n<li><strong>\u8bbe\u8ba1\u538b\u529b\uff1a<\/strong> \u6700\u5927\u9884\u671f\u7cfb\u7edf\u538b\u529b<\/li>\n<li><strong>\u8bbe\u8ba1\u6e29\u5ea6\uff1a<\/strong> \u6700\u9ad8\u5de5\u4f5c\u6e29\u5ea6<\/li>\n<li><strong>\u5b89\u5168\u7cfb\u6570\uff1a<\/strong> \u5728\u6b63\u5e38\u5de5\u4f5c\u538b\u529b\u4ee5\u4e0a\u6dfb\u52a0 10-25%<\/li>\n<li><strong>\u538b\u529b\u6d6a\u6d8c\uff1a<\/strong> \u8003\u8651\u6c34\u9524\u548c\u77ac\u6001\u6761\u4ef6<\/li>\n<li><strong>\u89c4\u8303\u8981\u6c42\uff1a<\/strong> ASME B31.1\u3001B31.3 \u6216\u5f53\u5730\u6cd5\u89c4<\/li>\n<li><strong>\u672a\u6765\u7684\u6269\u5c55\uff1a<\/strong> \u5141\u8bb8\u6f5c\u5728\u7684\u5bb9\u91cf\u589e\u52a0<\/li>\n<\/ol>\n<h3>\u5e94\u907f\u514d\u7684\u5e38\u89c1\u9519\u8bef<\/h3>\n<ul>\n<li>\u4f7f\u7528\u73af\u5883\u6e29\u5ea6\u989d\u5b9a\u503c\u8fdb\u884c\u9ad8\u6e29\u670d\u52a1<\/li>\n<li>\u5ffd\u7565\u538b\u529b\u6ce2\u52a8\u548c\u77ac\u6001\u6761\u4ef6<\/li>\n<li>\u6df7\u5408\u4e0d\u540c\u538b\u529b\u7b49\u7ea7\u7684\u6cd5\u5170\u800c\u4e0d\u4f7f\u7528\u9002\u5f53\u7684\u53d8\u5f84\u63a5\u5934<\/li>\n<li>\u4e0d\u8003\u8651\u957f\u671f\u670d\u52a1\u7684\u8150\u8680\u6d25\u8d34<\/li>\n<li>\u5ffd\u7565\u771f\u7a7a\u6761\u4ef6\uff08\u5916\u90e8\u538b\u529b\uff09<\/li>\n<\/ul>\n<h3>\u6807\u51c6\u548c\u89c4\u8303<\/h3>\n<ul>\n<li>ASME B16.5\uff1a\u7ba1\u9053\u6cd5\u5170\u548c\u6cd5\u5170\u63a5\u5934\uff08NPS 1\/2 \u81f3 24\uff09<\/li>\n<li>ASME B16.47\uff1a\u5927\u76f4\u5f84\u6cd5\u5170\uff08NPS 26 \u81f3 60\uff09<\/li>\n<li>EN 1092-1\uff1a\u6b27\u6d32\u94a2\u5236\u6cd5\u5170<\/li>\n<li>ASME B31.1\uff1a\u52a8\u529b\u7ba1\u9053\u89c4\u8303<\/li>\n<li>ASME B31.3\uff1a\u5de5\u827a\u7ba1\u9053\u89c4\u8303<\/li>\n<\/ul>\n<h3>\u538b\u529b\u6d4b\u8bd5\u8981\u6c42<\/h3>\n<p>\u6cd5\u5170\u5728\u6295\u5165\u4f7f\u7528\u524d\u901a\u5e38\u8981\u5728 1.5 \u500d\u989d\u5b9a\u538b\u529b\u4e0b\u8fdb\u884c\u9759\u6c34\u538b\u529b\u6d4b\u8bd5\uff0c\u4ee5\u9a8c\u8bc1\u5176\u5b8c\u6574\u6027\u3002.<\/p>\n<p>\u6b63\u786e\u9009\u62e9\u6cd5\u5170\u538b\u529b\u989d\u5b9a\u503c\u53ef\u786e\u4fdd\u7ba1\u9053\u7cfb\u7edf\u5728\u6574\u4e2a\u8bbe\u8ba1\u5bff\u547d\u671f\u95f4\u5b89\u5168\u3001\u53ef\u9760\u5e76\u7b26\u5408\u89c4\u8303\u8981\u6c42\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>Understanding Flange Pressure Ratings Flange pressure rating indicates the maximum pressure a flange can safely withstand at a specific temperature. Selecting the correct rating is critical for system safety and compliance. ASME Pressure Classes Class Max Pressure (bar) Max Pressure (psi) Typical Applications Class 150 19.6 285 Low pressure water, air, general service Class 300 [&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":[81,66,89,72,70],"class_list":["post-1016","post","type-post","status-publish","format-standard","hentry","category-blog","tag-ansi","tag-flange","tag-pn16","tag-rating","tag-standard"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1016","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=1016"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1016\/revisions"}],"predecessor-version":[{"id":1018,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1016\/revisions\/1018"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/media?parent=1016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/categories?post=1016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/tags?post=1016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}