{"id":978,"date":"2026-04-12T23:09:02","date_gmt":"2026-04-13T03:09:02","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=978"},"modified":"2026-04-17T01:47:12","modified_gmt":"2026-04-17T05:47:12","slug":"ped-vs-asme-vs-api-which-flange-standard-is-strictest","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/vi\/2026\/04\/12\/ped-vs-asme-vs-api-which-flange-standard-is-strictest\/","title":{"rendered":"PED, ASME hay API: Ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch n\u00e0o nghi\u00eam ng\u1eb7t nh\u1ea5t?"},"content":{"rendered":"<h2>Hi\u1ec3u v\u1ec1 vi\u1ec7c so s\u00e1nh c\u00e1c ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch<\/h2>\n<p>Trong s\u1ed1 c\u00e1c ti\u00eau chu\u1ea9n ASME, API, ISO v\u00e0 PED, ti\u00eau chu\u1ea9n n\u00e0o l\u00e0 nghi\u00eam ng\u1eb7t nh\u1ea5t? C\u00e2u tr\u1ea3 l\u1eddi ph\u1ee5 thu\u1ed9c v\u00e0o ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 c\u1ee7a b\u1ea1n.<\/p>\n<h2>PED: Quy \u0111\u1ecbnh ph\u00e1p l\u00fd t\u1ea1i ch\u00e2u \u00c2u<\/h2>\n<p>Ch\u1ec9 th\u1ecb v\u1ec1 Thi\u1ebft b\u1ecb \u00c1p l\u1ef1c (2014\/68\/EU) l\u00e0 m\u1ed9t ch\u1ec9 th\u1ecb ph\u00e1p l\u00fd c\u1ee7a Li\u00ean minh Ch\u00e2u \u00c2u d\u00e0nh cho c\u00e1c thi\u1ebft b\u1ecb \u00e1p l\u1ef1c c\u00f3 \u00e1p su\u1ea5t tr\u00ean 0,5 bar. Kh\u00e1c v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n t\u1ef1 nguy\u1ec7n ASME\/API, PED l\u00e0 m\u1ed9t <strong>y\u00eau c\u1ea7u ph\u00e1p l\u00fd<\/strong> y\u00eau c\u1ea7u c\u00f3 d\u1ea5u CE \u0111\u1ec3 \u0111\u01b0\u1ee3c ti\u1ebfp c\u1eadn th\u1ecb tr\u01b0\u1eddng EU.<\/p>\n<h3>C\u00e1c nh\u00f3m nguy c\u01a1 PED (I\u2013IV)<\/h3>\n<p>Ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean lo\u1ea1i ch\u1ea5t l\u1ecfng, \u00e1p su\u1ea5t v\u00e0 th\u1ec3 t\u00edch. C\u00e1c lo\u1ea1i III v\u00e0 IV y\u00eau c\u1ea7u s\u1ef1 tham gia c\u1ee7a C\u01a1 quan \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/p>\n<h2>ASME: Chuy\u00ean gia h\u00e0ng \u0111\u1ea7u v\u1ec1 k\u1ef9 thu\u1eadt<\/h2>\n<p>C\u00e1c ti\u00eau chu\u1ea9n ASME B16.5, B16.47 v\u00e0 B31.3 quy \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u chi ti\u1ebft v\u1ec1 t\u00ednh to\u00e1n thi\u1ebft k\u1ebf \u00e1p su\u1ea5t, truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u1eadt li\u1ec7u, ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDE) v\u00e0 th\u1eed nghi\u1ec7m th\u1ee7y t\u0129nh.<\/p>\n<h2>API: D\u00e0nh ri\u00eang cho t\u1eebng ng\u00e0nh<\/h2>\n<ul>\n<li>API 605: M\u1eb7t b\u00edch \u0111\u01b0\u1eddng k\u00ednh l\u1edbn<\/li>\n<li>API 6A: Thi\u1ebft b\u1ecb \u0111\u1ea7u gi\u1ebfng<\/li>\n<li>API 624: Ph\u00e1t th\u1ea3i kh\u00f4ng ki\u1ec3m so\u00e1t<\/li>\n<li>NACE MR0175: D\u1ecbch v\u1ee5 x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng axit<\/li>\n<\/ul>\n<h2>B\u1ea3ng so s\u00e1nh<\/h2>\n<table border=\"1\" cellpadding=\"8\">\n<tr>\n<th>Ti\u00eau chu\u1ea9n<\/th>\n<th>Lo\u1ea1i<\/th>\n<th>Th\u1ef1c thi<\/th>\n<th>Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/th>\n<\/tr>\n<tr>\n<td>PED<\/td>\n<td>Quy \u0111\u1ecbnh<\/td>\n<td>Quy\u1ec1n h\u1ea1n ph\u00e1p l\u00fd c\u1ee7a Li\u00ean minh Ch\u00e2u \u00c2u<\/td>\n<td>Ti\u1ebfp c\u1eadn th\u1ecb tr\u01b0\u1eddng EU<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec7p h\u1ed9i K\u1ef9 s\u01b0 C\u01a1 kh\u00ed Hoa K\u1ef3<\/td>\n<td>Quy chu\u1ea9n k\u1ef9 thu\u1eadt<\/td>\n<td>\u0110\u01b0\u1ee3c ban h\u00e0nh theo Ngh\u1ecb \u0111\u1ecbnh<\/td>\n<td>Thi\u1ebft k\u1ebf ch\u1ecbu \u00e1p l\u1ef1c<\/td>\n<\/tr>\n<tr>\n<td>API<\/td>\n<td>Ti\u00eau chu\u1ea9n ng\u00e0nh<\/td>\n<td>Theo h\u1ee3p \u0111\u1ed3ng<\/td>\n<td>D\u1ea7u kh\u00ed<\/td>\n<\/tr>\n<tr>\n<td>ISO<\/td>\n<td>Qu\u1ed1c t\u1ebf<\/td>\n<td>Theo h\u1ee3p \u0111\u1ed3ng<\/td>\n<td>C\u00e1c d\u1ef1 \u00e1n to\u00e0n c\u1ea7u<\/td>\n<\/tr>\n<\/table>\n<h2>T\u00f3m l\u1ea1i<\/h2>\n<ul>\n<li><strong>ASME:<\/strong> C\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c k\u1ef9 thu\u1eadt cao nh\u1ea5t v\u1ec1 t\u00ednh to\u00e0n v\u1eb9n \u00e1p su\u1ea5t<\/li>\n<li><strong>API:<\/strong> \u0110\u00f2i h\u1ecfi kh\u1eaft khe nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng d\u1ea7u kh\u00ed c\u00f3 r\u1ee7i ro cao<\/li>\n<li><strong>PED:<\/strong> Ch\u1ec9 \u00e1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n c\u00f3 hi\u1ec7u l\u1ef1c ph\u00e1p l\u00fd v\u00e0 ph\u1ea3i c\u00f3 s\u1ef1 gi\u00e1m s\u00e1t b\u1eaft bu\u1ed9c c\u1ee7a b\u00ean th\u1ee9 ba<\/li>\n<\/ul>\n<p><strong>M\u1eb7t b\u00edch Songhai<\/strong> s\u1ea3n xu\u1ea5t theo c\u00e1c ti\u00eau chu\u1ea9n ASME, API v\u00e0 PED v\u1edbi \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9ng nh\u1eadn.<\/p>\n<p><strong>WhatsApp:<\/strong>\u00a0+86-18658777855<br \/>\n<strong>Email:<\/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 Standards Comparison Between ASME, API, ISO, and PED, which standard is strictest? The answer depends on what you measure. PED: Europe Legal Mandate The Pressure Equipment Directive (2014\/68\/EU) is an EU legislative directive for pressure equipment over 0.5 bar. Unlike voluntary ASME\/API standards, PED is a regulatory mandate requiring CE marking for EU [&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":[81,85,82,84,86,70],"class_list":["post-978","post","type-post","status-publish","format-standard","hentry","category-blog","tag-ansi","tag-api","tag-asme","tag-din","tag-jis","tag-standard"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/978","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=978"}],"version-history":[{"count":2,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/978\/revisions"}],"predecessor-version":[{"id":987,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/978\/revisions\/987"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/media?parent=978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/categories?post=978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/tags?post=978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}