{"id":1030,"date":"2026-04-20T22:35:17","date_gmt":"2026-04-21T02:35:17","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=1030"},"modified":"2026-04-21T20:18:59","modified_gmt":"2026-04-22T00:18:59","slug":"ped-vs-asme-vs-api-vs-iso-which-pvf-standard-is-strictest","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/zh\/2026\/04\/20\/ped-vs-asme-vs-api-vs-iso-which-pvf-standard-is-strictest\/","title":{"rendered":"PED vs ASME vs API vs ISO \u54ea\u4e2a PVF \u6807\u51c6\u6700\u4e25\u683c"},"content":{"rendered":"<h2>\u5168\u7403\u6cd5\u5170\u6807\u51c6\u6bd4\u8f83<\/h2>\n<p>\u5728\u56fd\u9645\u9879\u76ee\u4e2d\uff0c\u5de5\u7a0b\u5e08\u4f1a\u9047\u5230\u591a\u79cd\u6cd5\u5170\u6807\u51c6\u3002\u4e86\u89e3\u5176\u4e2d\u7684\u5dee\u5f02\u6709\u52a9\u4e8e\u786e\u4fdd\u7b26\u5408\u6807\u51c6\u548c\u4f18\u5316\u9009\u62e9\u3002.<\/p>\n<h3>PED \u538b\u529b\u8bbe\u5907\u6307\u4ee4<\/h3>\n<p>\u6b27\u76df\u6807\u51c6<\/p>\n<ul>\n<li>\u8303\u56f4\u5728\u6b27\u76df\u9500\u552e\u7684\u6240\u6709\u538b\u529b\u8bbe\u5907<\/li>\n<li>\u5206\u7c7b\uff1a\u57fa\u4e8e\u538b\u529b\u548c\u4f53\u79ef\u7684 I-IV \u7c7b<\/li>\n<li>\u8981\u6c42\uff1aCE \u6807\u5fd7\u3001\u6307\u5b9a\u673a\u6784\u8ba4\u8bc1<\/li>\n<li>\u6750\u6599\uff1a\u5fc5\u987b\u4f7f\u7528\u53ef\u8ffd\u6eaf\u7684 EN \u6807\u51c6<\/li>\n<li>\u6d4b\u8bd5\uff1a\u5f3a\u5236\u6c34\u538b\u8bd5\u9a8c\u548c\u65e0\u635f\u68c0\u6d4b<\/li>\n<\/ul>\n<h3>ASME \u7f8e\u56fd\u6807\u51c6<\/h3>\n<p>\u5317\u7f8e\u6807\u51c6<\/p>\n<ul>\n<li>\u8303\u56f4\uff1a\u9505\u7089\u3001\u538b\u529b\u5bb9\u5668\u548c\u7ba1\u9053\u89c4\u8303<\/li>\n<li>\u4e3b\u8981\u6807\u51c6\uff1aB16.5\u3001B16.47\u3001B31.1\u3001B31.3<\/li>\n<li>\u8ba4\u8bc1\uff1aASME U\u3001U2\u3001S \u7ae0<\/li>\n<li>\u6750\u6599\uff1a\u7f8e\u56fd\u6750\u6599\u4e0e\u8bd5\u9a8c\u534f\u4f1a\uff08ASTM\uff09\u89c4\u683c\u53ca MTR<\/li>\n<li>\u5168\u7403\u8ba4\u53ef\uff1a\u5168\u7403\u5e7f\u6cdb\u63a5\u53d7<\/li>\n<\/ul>\n<h3>API \u77f3\u6cb9\u6807\u51c6<\/h3>\n<p>\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u884c\u4e1a\u6807\u51c6<\/p>\n<ul>\n<li>\u8303\u56f4\uff1a\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u5de5\u4e1a<\/li>\n<li>\u4e3b\u8981\u6807\u51c6\uff1aAPI 605\u3001API 6A\u3001API 17D<\/li>\n<li>\u91cd\u70b9\uff1a\u4e95\u53e3\u8bbe\u5907\u3001\u7ba1\u9053\u3001\u70bc\u6cb9\u5382<\/li>\n<li>Monogram\uff1aAPI Monogram \u8bb8\u53ef\u8ba1\u5212<\/li>\n<\/ul>\n<h3>ISO \u56fd\u9645\u6807\u51c6<\/h3>\n<p>\u5168\u7403\u7edf\u4e00<\/p>\n<ul>\n<li>\u8303\u56f4\u56fd\u9645\u6807\u51c6\u5316<\/li>\n<li>\u4e3b\u8981\u6807\u51c6ISO 7005\u3001ISO 15540\u3001ISO 15541<\/li>\n<li>\u76ee\u6807\uff1a\u534f\u8c03 ASME \u548c EN \u6807\u51c6<\/li>\n<li>\u8ba4\u53ef\uff1a\u5168\u7403\u8ba4\u53ef\u5ea6\u4e0d\u65ad\u63d0\u9ad8<\/li>\n<\/ul>\n<h3>\u4e25\u683c\u7a0b\u5ea6\u6bd4\u8f83<\/h3>\n<p>\u5bf9\u4e8e\u6b27\u76df\u5e02\u573a\u6765\u8bf4\uff0cPED \u901a\u5e38\u662f\u6700\u4e25\u683c\u7684\uff0c\u6709\u5f3a\u5236\u6027\u7684\u7b2c\u4e09\u65b9\u8ba4\u8bc1\u548c\u5168\u9762\u7684\u6587\u4ef6\u8981\u6c42\u3002.<\/p>\n<p>API \u5bf9\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u7684\u7279\u6b8a\u5e94\u7528\u8981\u6c42\u6700\u4e3a\u4e25\u683c\uff0c\u5bf9\u6076\u52a3\u73af\u5883\u7684\u6027\u80fd\u8981\u6c42\u4e5f\u5f88\u9ad8\u3002.<\/p>\n<p>ASME \u5728\u5168\u9762\u7684\u89c4\u8303\u8986\u76d6\u9762\u548c\u5168\u7403\u8ba4\u53ef\u5ea6\u65b9\u9762\u8868\u73b0\u51fa\u8272\u3002.<\/p>\n<h3>\u9074\u9009\u6307\u5357<\/h3>\n<ol>\n<li>\u9879\u76ee\u5730\u70b9\uff1a\u6b27\u76df\u8981\u6c42\u4f7f\u7528 PED\uff0c\u7f8e\u56fd\u901a\u5e38\u4f7f\u7528 ASME<\/li>\n<li>\u884c\u4e1a\uff1a\u77f3\u6cb9\u548c\u5929\u7136\u6c14\u884c\u4e1a\u901a\u5e38\u6307\u5b9a API<\/li>\n<li>\u5ba2\u6237\u8981\u6c42\uff1a\u9075\u5faa\u4e1a\u4e3b\u5de5\u7a0b\u6807\u51c6<\/li>\n<li>\u51fa\u53e3\u5e02\u573a\uff1a\u8003\u8651\u53cc\u91cd\u8ba4\u8bc1<\/li>\n<li>\u6210\u672c\u5f71\u54cd\uff1aPED \u8ba4\u8bc1\u901a\u5e38\u4f1a\u589e\u52a0 15-25% \u7684\u6210\u672c<\/li>\n<\/ol>\n<p>\u6700\u4e25\u683c\u7684\u6807\u51c6\u53d6\u51b3\u4e8e\u60a8\u7684\u5e94\u7528\uff0c\u4f46 PED \u5bf9\u6b27\u6d32\u5e02\u573a\u7684\u76d1\u7ba1\u8981\u6c42\u6700\u4e3a\u5168\u9762\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>Comparing Global Flange Standards When working on international projects, engineers encounter multiple flange standards. Understanding the differences helps ensure compliance and optimal selection. PED Pressure Equipment Directive European Union Standard Scope: All pressure equipment sold in EU Classification: Categories I-IV based on pressure and volume Requirements: CE marking, notified body certification Materials: Must use EN [&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":[81,66,86,70],"class_list":["post-1030","post","type-post","status-publish","format-standard","hentry","category-blog","tag-ansi","tag-flange","tag-jis","tag-standard"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1030","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=1030"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1030\/revisions"}],"predecessor-version":[{"id":1037,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/posts\/1030\/revisions\/1037"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/media?parent=1030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/categories?post=1030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/zh\/wp-json\/wp\/v2\/tags?post=1030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}