{"id":999,"date":"2026-04-17T01:13:56","date_gmt":"2026-04-17T05:13:56","guid":{"rendered":"https:\/\/www.songhaiflange.com\/?p=999"},"modified":"2026-04-17T01:37:19","modified_gmt":"2026-04-17T05:37:19","slug":"flange-standards-and-rating-selection-guide-asme-en-gb-comparison","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/de\/2026\/04\/17\/flange-standards-and-rating-selection-guide-asme-en-gb-comparison\/","title":{"rendered":"Flange Standards and Rating Selection Guide ASME EN GB Comparison"},"content":{"rendered":"<h2>Flange Standards Overview<\/h2>\n<p>Flange design, manufacturing, and inspection must follow strict international and national standards. Understanding different standard systems is crucial for proper flange selection.<\/p>\n<h3>ASME Standards (American)<\/h3>\n<ul>\n<li>ASME B16.5: NPS 1\/2 to 24<\/li>\n<li>Pressure Classes: 150, 300, 600, 900, 1500, 2500<\/li>\n<li>Face Types: RF, FF, RTJ, MFM<\/li>\n<\/ul>\n<h3>EN Standards (European)<\/h3>\n<ul>\n<li>EN 1092-1: Main European steel flange standard<\/li>\n<li>Pressure Ratings: PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100<\/li>\n<li>Various flange types and sealing faces<\/li>\n<\/ul>\n<h3>GB Standards (Chinese)<\/h3>\n<ul>\n<li>GB\/T 9115-9119: Various flange types<\/li>\n<li>Pressure Ratings: PN2.5 to PN160<\/li>\n<\/ul>\n<h3>Pressure Rating Comparison<\/h3>\n<ul>\n<li>Class 150 approximately PN20 (20 bar)<\/li>\n<li>Class 300 approximately PN50 (50 bar)<\/li>\n<li>Class 600 approximately PN110 (110 bar)<\/li>\n<li>Class 1500 approximately PN260 (260 bar)<\/li>\n<\/ul>\n<h3>Flange Facing Types<\/h3>\n<ol>\n<li>Raised Face (RF): Most common, medium-low pressure<\/li>\n<li>Flat Face (FF): Low pressure applications<\/li>\n<li>Ring Type Joint (RTJ): High pressure and temperature<\/li>\n<li>Male-Female (MFM): Good sealing performance<\/li>\n<li>Tongue-Groove (TG): Best sealing for hazardous media<\/li>\n<\/ol>\n<h3>Auswahl des Materials<\/h3>\n<ul>\n<li>Carbon Steel: General applications<\/li>\n<li>Stainless Steel: Corrosive media<\/li>\n<li>Alloy Steel: High temperature and pressure<\/li>\n<li>Duplex Steel: Seawater and chloride environments<\/li>\n<\/ul>\n<p><strong>WhatsApp:<\/strong>\u00a0+86-18658777855<br \/>\n<strong>E-Mail:<\/strong>\u00a01007788887@qq.com<br \/>\n<a href=\"https:\/\/www.720yun.com\/vr\/a6ajt7ynrw0\"><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\" 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 Standards Overview Flange design, manufacturing, and inspection must follow strict international and national standards. Understanding different standard systems is crucial for proper flange selection. ASME Standards (American) ASME B16.5: NPS 1\/2 to 24 Pressure Classes: 150, 300, 600, 900, 1500, 2500 Face Types: RF, FF, RTJ, MFM EN Standards (European) EN 1092-1: Main European [&hellip;]<\/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":[71,66,72,76,70],"class_list":["post-999","post","type-post","status-publish","format-standard","hentry","category-blog","tag-facing","tag-flange","tag-rating","tag-specification","tag-standard"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/de\/wp-json\/wp\/v2\/posts\/999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/de\/wp-json\/wp\/v2\/comments?post=999"}],"version-history":[{"count":3,"href":"https:\/\/www.songhaiflange.com\/de\/wp-json\/wp\/v2\/posts\/999\/revisions"}],"predecessor-version":[{"id":1007,"href":"https:\/\/www.songhaiflange.com\/de\/wp-json\/wp\/v2\/posts\/999\/revisions\/1007"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/de\/wp-json\/wp\/v2\/media?parent=999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/de\/wp-json\/wp\/v2\/categories?post=999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/de\/wp-json\/wp\/v2\/tags?post=999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}