{"id":862,"date":"2026-04-09T12:36:34","date_gmt":"2026-04-09T04:36:34","guid":{"rendered":""},"modified":"2026-04-09T23:40:12","modified_gmt":"2026-04-10T03:40:12","slug":"flange-face-types-rf-ff-rtj-mfm-guide","status":"publish","type":"post","link":"https:\/\/www.songhaiflange.com\/pa\/2026\/04\/09\/flange-face-types-rf-ff-rtj-mfm-guide\/","title":{"rendered":"\u0a2b\u0a32\u0a48\u0a02\u0a1c \u0a2b\u0a47\u0a38 \u0a15\u0a3f\u0a38\u0a2e\u0a3e\u0a02 \u0a26\u0a40 \u0a35\u0a3f\u0a06\u0a16\u0a3f\u0a06: RF \u0a2c\u0a28\u0a3e\u0a2e FF \u0a2c\u0a28\u0a3e\u0a2e RTJ \u0a2c\u0a28\u0a3e\u0a2e MFM"},"content":{"rendered":"<figure class=\"flange-image\"><\/figure>\n<h1>\u0a2b\u0a32\u0a48\u0a02\u0a1c \u0a2b\u0a47\u0a38 \u0a15\u0a3f\u0a38\u0a2e\u0a3e\u0a02 \u0a26\u0a40 \u0a35\u0a3f\u0a06\u0a16\u0a3f\u0a06: RF \u0a2c\u0a28\u0a3e\u0a2e FF \u0a2c\u0a28\u0a3e\u0a2e RTJ \u0a2c\u0a28\u0a3e\u0a2e MFM<\/h1>\n<p><strong>\u0a2b\u0a32\u0a48\u0a02\u0a1c \u0a38\u0a24\u0a39 \u0a26\u0a40 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\u0a17\u0a48\u0a38\u0a15\u0a47\u0a1f \u0a09\u0a71\u0a1a\u0a40 \u0a38\u0a24\u0a39 '\u0a24\u0a47 \u0a2c\u0a48\u0a20\u0a26\u0a3e \u0a39\u0a48 (\u0a15\u0a32\u0a3e\u0a38 150-300 \u0a32\u0a08 1\/16\u2033, \u0a15\u0a32\u0a3e\u0a38 400+ \u0a32\u0a08 1\/4\u2033)\u0964<\/p>\n<ul>\n<li><strong>\u0a26\u0a2c\u0a3e\u0a05 \u0a38\u0a40\u0a2e\u0a3e:<\/strong> \u0a15\u0a32\u0a3e\u0a38 150 \u0a24\u0a4b\u0a02 2500<\/li>\n<li><strong>\u0a17\u0a48\u0a38\u0a15\u0a47\u0a1f \u0a26\u0a40\u0a06\u0a02 \u0a15\u0a3f\u0a38\u0a2e\u0a3e\u0a02:<\/strong> \u0a17\u0a48\u0a30-\u0a27\u0a3e\u0a24\u0a42, \u0a38\u0a2a\u0a3e\u0a07\u0a30\u0a32 \u0a35\u0a3e\u0a0a\u0a02\u0a21, \u0a30\u0a3f\u0a70\u0a17 \u0a1c\u0a4b\u0a5c<\/li>\n<li><strong>\u0a35\u0a30\u0a24\u0a4b\u0a02:<\/strong> \u0a24\u0a47\u0a32 \u0a05\u0a24\u0a47 \u0a17\u0a48\u0a38, \u0a30\u0a38\u0a3e\u0a07\u0a23\u0a15, \u0a2a\u0a3e\u0a23\u0a40, \u0a06\u0a2e \u0a38\u0a47\u0a35\u0a3e<\/li>\n<li><strong>\u0a2e\u0a3f\u0a06\u0a30:<\/strong> ASME B16.5, DIN 2501<\/li>\n<\/ul>\n<h2>\u0a1a\u0a2a\u0a1f\u0a3e \u0a1a\u0a3f\u0a39\u0a30\u0a3e (FF)<\/h2>\n<p><strong>\u0a2a\u0a42\u0a30\u0a47-\u0a1a\u0a3f\u0a39\u0a30\u0a47 \u0a35\u0a3e\u0a32\u0a3e \u0a17\u0a48\u0a38\u0a15\u0a1f \u0a38\u0a70\u0a2a\u0a30\u0a15\u0964<\/strong> \u0a2a\u0a42\u0a30\u0a40 \u0a2b\u0a32\u0a48\u0a02\u0a1c \u0a38\u0a24\u0a39 \u0a38\u0a2e\u0a24\u0a32 \u0a39\u0a41\u0a70\u0a26\u0a40 \u0a39\u0a48, \u0a07\u0a38\u0a26\u0a3e \u0a09\u0a2a\u0a2f\u0a4b\u0a17 \u0a09\u0a26\u0a4b\u0a02 \u0a15\u0a40\u0a24\u0a3e \u0a1c\u0a3e\u0a02\u0a26\u0a3e \u0a39\u0a48 \u0a1c\u0a26\u0a4b\u0a02 \u0a07\u0a71\u0a15 \u0a2b\u0a32\u0a48\u0a02\u0a1c \u0a15\u0a3e\u0a38\u0a1f \u0a06\u0a07\u0a30\u0a28 \u0a1c\u0a3e\u0a02 \u0a2d\u0a70\u0a17\u0a41\u0a30 \u0a38\u0a2e\u0a71\u0a17\u0a30\u0a40 \u0a26\u0a40 \u0a39\u0a4b\u0a35\u0a47\u0964<\/p>\n<ul>\n<li><strong>\u0a26\u0a2c\u0a3e\u0a05 \u0a38\u0a40\u0a2e\u0a3e:<\/strong> \u0a15\u0a32\u0a3e\u0a38 125, 250 (\u0a15\u0a3e\u0a38\u0a1f \u0a06\u0a07\u0a30\u0a28)<\/li>\n<li><strong>\u0a17\u0a48\u0a38\u0a15\u0a47\u0a1f \u0a26\u0a40\u0a06\u0a02 \u0a15\u0a3f\u0a38\u0a2e\u0a3e\u0a02:<\/strong> \u0a2a\u0a42\u0a30\u0a47-\u0a1a\u0a3f\u0a39\u0a30\u0a47 \u0a26\u0a47 \u0a17\u0a48\u0a38\u0a15\u0a1f<\/li>\n<li><strong>\u0a35\u0a30\u0a24\u0a4b\u0a02:<\/strong> \u0a2a\u0a3e\u0a23\u0a40 \u0a26\u0a3e \u0a07\u0a32\u0a3e\u0a1c, HVAC, \u0a18\u0a71\u0a1f \u0a26\u0a2c\u0a3e\u0a05<\/li>\n<\/ul>\n<h2>\u0a30\u0a3f\u0a70\u0a17 \u0a15\u0a3f\u0a38\u0a2e \u0a26\u0a3e \u0a1c\u0a4b\u0a5c (RTJ)<\/h2>\n<p><strong>\u0a27\u0a3e\u0a24-\u0a24\u0a4b\u0a02-\u0a27\u0a3e\u0a24 \u0a38\u0a40\u0a32\u0a3f\u0a70\u0a17\u0964<\/strong> \u0a17\u0a30\u0a42\u0a35 \u0a09\u0a71\u0a1a-\u0a26\u0a2c\u0a3e\u0a05 \u0a05\u0a24\u0a47 \u0a09\u0a71\u0a1a-\u0a24\u0a3e\u0a2a\u0a2e\u0a3e\u0a28 \u0a38\u0a47\u0a35\u0a3e \u0a32\u0a08 \u0a27\u0a3e\u0a24 \u0a26\u0a40 \u0a30\u0a3f\u0a70\u0a17 \u0a17\u0a48\u0a38\u0a15\u0a47\u0a1f \u0a38\u0a35\u0a40\u0a15\u0a3e\u0a30 \u0a15\u0a30\u0a26\u0a3e \u0a39\u0a48\u0964<\/p>\n<ul>\n<li><strong>\u0a26\u0a2c\u0a3e\u0a05 \u0a38\u0a40\u0a2e\u0a3e:<\/strong> \u0a15\u0a32\u0a3e\u0a38 600 \u0a24\u0a4b\u0a02 2500<\/li>\n<li><strong>\u0a17\u0a48\u0a38\u0a15\u0a47\u0a1f \u0a26\u0a40\u0a06\u0a02 \u0a15\u0a3f\u0a38\u0a2e\u0a3e\u0a02:<\/strong> \u0a05\u0a70\u0a21\u0a3e\u0a15\u0a3e\u0a30 \u0a1c\u0a3e\u0a02 \u0a05\u0a71\u0a20-\u0a15\u0a4b\u0a23\u0a3e\u0a02 \u0a35\u0a3e\u0a32\u0a40\u0a06\u0a02 \u0a27\u0a3e\u0a24 \u0a26\u0a40\u0a06\u0a02 \u0a2e\u0a41\u0a70\u0a26\u0a30\u0a40\u0a06\u0a02<\/li>\n<li><strong>\u0a35\u0a30\u0a24\u0a4b\u0a02:<\/strong> \u0a38\u0a2e\u0a41\u0a70\u0a26\u0a30\u0a4b\u0a02 \u0a26\u0a42\u0a30, \u0a09\u0a71\u0a1a-\u0a26\u0a2c\u0a3e\u0a05 \u0a35\u0a3e\u0a32\u0a40 \u0a2d\u0a3e\u0a2b\u0a3c, \u0a30\u0a3f\u0a2b\u0a3e\u0a07\u0a28\u0a30\u0a40<\/li>\n<li><strong>\u0a05\u0a70\u0a17\u0a42\u0a20\u0a40 \u0a21\u0a3f\u0a1c\u0a3c\u0a3e\u0a08\u0a28:<\/strong> \u0a06\u0a30, \u0a06\u0a30\u0a10\u0a15\u0a38, \u0a2c\u0a40\u0a10\u0a15\u0a38 \u0a38\u0a40\u0a30\u0a40\u0a1c\u0a3c<\/li>\n<\/ul>\n<h2>\u0a2e\u0a30\u0a26-\u0a14\u0a30\u0a24 \u0a26\u0a3e \u0a1a\u0a3f\u0a39\u0a30\u0a3e (MFM)<\/h2>\n<p><strong>\u0a06\u0a2a\u0a23\u0a47 \u0a06\u0a2a-\u0a38\u0a70\u0a30\u0a47\u0a16\u0a3f\u0a24 \u0a21\u0a3f\u0a1c\u0a3c\u0a3e\u0a08\u0a28\u0964<\/strong> \u0a07\u0a71\u0a15 \u0a2b\u0a32\u0a48\u0a02\u0a1c \u0a26\u0a3e \u0a1a\u0a3f\u0a39\u0a30\u0a3e \u0a09\u0a2d\u0a30\u0a3f\u0a06 \u0a39\u0a4b\u0a07\u0a06 \u0a39\u0a48, \u0a2e\u0a47\u0a32 \u0a16\u0a3e\u0a02\u0a26\u0a40 \u0a2b\u0a32\u0a48\u0a02\u0a1c \u0a35\u0a3f\u0a71\u0a1a \u0a09\u0a38\u0a47 \u0a05\u0a28\u0a41\u0a38\u0a3e\u0a30 \u0a16\u0a4b\u0a16\u0a32\u0a3e \u0a39\u0a48\u0964<\/p>\n<ul>\n<li><strong>\u0a26\u0a2c\u0a3e\u0a05 \u0a38\u0a40\u0a2e\u0a3e:<\/strong> \u0a15\u0a32\u0a3e\u0a38 150 \u0a24\u0a4b\u0a02 2500<\/li>\n<li><strong>\u0a17\u0a48\u0a38\u0a15\u0a47\u0a1f \u0a26\u0a40\u0a06\u0a02 \u0a15\u0a3f\u0a38\u0a2e\u0a3e\u0a02:<\/strong> \u0a30\u0a3f\u0a70\u0a17 \u0a17\u0a48\u0a38\u0a15\u0a1f<\/li>\n<li><strong>\u0a35\u0a30\u0a24\u0a4b\u0a02:<\/strong> \u0a2a\u0a70\u0a2a \u0a26\u0a47 \u0a1c\u0a41\u0a5c\u0a3e\u0a05, \u0a35\u0a3e\u0a30-\u0a35\u0a3e\u0a30 \u0a16\u0a4b\u0a32\u0a4d\u0a39\u0a23\u0a3e<\/li>\n<\/ul>\n<h2>\u0a1c\u0a40\u0a2d-\u0a05\u0a24\u0a47-\u0a16\u0a3e\u0a32 (\u0a1f\u0a40 \u0a10\u0a02\u0a21 \u0a1c\u0a40)<\/h2>\n<p><strong>\u0a38\u0a41\u0a1a\u0a71\u0a1c\u0a3e \u0a38\u0a70\u0a30\u0a47\u0a16\u0a23<\/strong> \u0a07\u0a71\u0a15 \u0a2b\u0a32\u0a48\u0a02\u0a1c '\u0a24\u0a47 \u0a32\u0a71\u0a17\u0a40 \u0a1c\u0a40\u0a2d \u0a2e\u0a47\u0a32 \u0a16\u0a3e\u0a02\u0a26\u0a40 \u0a2b\u0a32\u0a48\u0a02\u0a1c \u0a26\u0a40 \u0a16\u0a3e\u0a08 \u0a35\u0a3f\u0a71\u0a1a \u0a2b\u0a3f\u0a71\u0a1f \u0a39\u0a41\u0a70\u0a26\u0a40 \u0a39\u0a48\u0964<\/p>\n<ul>\n<li><strong>\u0a26\u0a2c\u0a3e\u0a05 \u0a38\u0a40\u0a2e\u0a3e:<\/strong> \u0a15\u0a32\u0a3e\u0a38 150 \u0a24\u0a4b\u0a02 2500<\/li>\n<li><strong>\u0a35\u0a30\u0a24\u0a4b\u0a02:<\/strong> \u0a35\u0a3e\u0a32\u0a35 \u0a2c\u0a4b\u0a28\u0a1f, \u0a35\u0a3f\u0a38\u0a3c\u0a47\u0a38\u0a3c \u0a09\u0a2a\u0a15\u0a30\u0a23<\/li>\n<\/ul>\n<h2>\u0a1a\u0a3f\u0a39\u0a30\u0a47 \u0a26\u0a40 \u0a15\u0a3f\u0a38\u0a2e \u0a1a\u0a4b\u0a23 \u0a1a\u0a3e\u0a30\u0a1f<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u0a38\u0a47\u0a35\u0a3e \u0a26\u0a40 \u0a38\u0a25\u0a3f\u0a24\u0a40<\/th>\n<th>\u0a38\u0a3f\u0a2b\u0a3e\u0a30\u0a38\u0a3c \u0a15\u0a40\u0a24\u0a3e \u0a1a\u0a3f\u0a39\u0a30\u0a3e<\/th>\n<\/tr>\n<tr>\n<td>\u0a06\u0a2e \u0a09\u0a26\u0a47\u0a38\u0a3c<\/td>\n<td>\u0a09\u0a2d\u0a30\u0a3f\u0a06 \u0a39\u0a4b\u0a07\u0a06 \u0a1a\u0a3f\u0a39\u0a30\u0a3e (RF)<\/td>\n<\/tr>\n<tr>\n<td>\u0a09\u0a71\u0a1a \u0a26\u0a2c\u0a3e\u0a05<\/td>\n<td>\u0a06\u0a30\u0a1f\u0a40\u0a1c\u0a47<\/td>\n<\/tr>\n<tr>\n<td>\u0a32\u0a4b\u0a39\u0a47 \u0a26\u0a40 \u0a2a\u0a3e\u0a08\u0a2a\u0a3f\u0a70\u0a17<\/td>\n<td>\u0a1a\u0a2a\u0a1f\u0a3e \u0a1a\u0a3f\u0a39\u0a30\u0a3e (FF)<\/td>\n<\/tr>\n<tr>\n<td>\u0a28\u0a3f\u0a2f\u0a2e\u0a24 \u0a30\u0a71\u0a16-\u0a30\u0a16\u0a3e\u0a05<\/td>\n<td>\u0a10\u0a2e\u0a10\u0a2b\u0a10\u0a2e \u0a1c\u0a3e\u0a02 \u0a1f\u0a40\u0a10\u0a02\u0a21\u0a1c\u0a40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"quote-box\">\n<h3>\ud83d\udcde \u0a2b\u0a32\u0a48\u0a02\u0a1c \u0a15\u0a48\u0a1f\u0a3e\u0a32\u0a3e\u0a17 \u0a26\u0a40 \u0a2c\u0a47\u0a28\u0a24\u0a40<\/h3>\n<p><strong>\u0a35\u0a1f\u0a38\u0a10\u0a2a:<\/strong> +86-18658777855<\/p>\n<p><strong>\u0a08\u0a2e\u0a47\u0a32:<\/strong> 1007788887@qq.com<\/p>\n<p><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>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Complete guide to flange face types. Learn RF, FF, RTJ, MFM, T&#038;G differences and select the right sealing surface for leak-free operation.<\/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":[],"class_list":["post-862","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.songhaiflange.com\/pa\/wp-json\/wp\/v2\/posts\/862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.songhaiflange.com\/pa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.songhaiflange.com\/pa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/pa\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.songhaiflange.com\/pa\/wp-json\/wp\/v2\/comments?post=862"}],"version-history":[{"count":3,"href":"https:\/\/www.songhaiflange.com\/pa\/wp-json\/wp\/v2\/posts\/862\/revisions"}],"predecessor-version":[{"id":902,"href":"https:\/\/www.songhaiflange.com\/pa\/wp-json\/wp\/v2\/posts\/862\/revisions\/902"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/pa\/wp-json\/wp\/v2\/media?parent=862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/pa\/wp-json\/wp\/v2\/categories?post=862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/pa\/wp-json\/wp\/v2\/tags?post=862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}