{"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\/vi\/2026\/04\/09\/flange-face-types-rf-ff-rtj-mfm-guide\/","title":{"rendered":"Gi\u1ea3i th\u00edch c\u00e1c lo\u1ea1i m\u1eb7t b\u00edch: RF so v\u1edbi FF so v\u1edbi RTJ so v\u1edbi MFM"},"content":{"rendered":"<figure class=\"flange-image\"><\/figure>\n<h1>Gi\u1ea3i th\u00edch c\u00e1c lo\u1ea1i m\u1eb7t b\u00edch: RF so v\u1edbi FF so v\u1edbi RTJ so v\u1edbi MFM<\/h1>\n<p><strong>Lo\u1ea1i m\u1eb7t b\u00edch<\/strong> quy\u1ebft \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p l\u00e0m k\u00edn v\u00e0 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng r\u00f2 r\u1ec9. Vi\u1ec7c ch\u1ecdn sai lo\u1ea1i m\u1eb7t ti\u1ebfp x\u00fac c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1ecfng gio\u0103ng v\u00e0 r\u00f2 r\u1ec9 nguy hi\u1ec3m.<\/p>\n<h2>K\u1ef9 thu\u1eadt n\u00e2ng m\u1eb7t (RF)<\/h2>\n<p><strong>Lo\u1ea1i m\u1eb7t b\u00edch ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/strong> Mi\u1ebfng \u0111\u1ec7m \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t nh\u00f4 cao (1\/16 inch \u0111\u1ed1i v\u1edbi lo\u1ea1i 150-300, 1\/4 inch \u0111\u1ed1i v\u1edbi lo\u1ea1i 400 tr\u1edf l\u00ean).<\/p>\n<ul>\n<li><strong>Ph\u1ea1m vi \u00e1p su\u1ea5t:<\/strong> Lo\u1ea1i 150 \u0111\u1ebfn 2500<\/li>\n<li><strong>C\u00e1c lo\u1ea1i gio\u0103ng:<\/strong> Kh\u00f4ng kim lo\u1ea1i, cu\u1ed9n xo\u1eafn \u1ed1c, kh\u1edbp v\u00f2ng<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> D\u1ea7u kh\u00ed, h\u00f3a ch\u1ea5t, n\u01b0\u1edbc, d\u1ecbch v\u1ee5 t\u1ed5ng h\u1ee3p<\/li>\n<li><strong>Ti\u00eau chu\u1ea9n:<\/strong> ASME B16.5, DIN 2501<\/li>\n<\/ul>\n<h2>M\u1eb7t ph\u1eb3ng (FF)<\/h2>\n<p><strong>Ti\u1ebfp x\u00fac to\u00e0n b\u1ed9 mi\u1ebfng \u0111\u1ec7m.<\/strong> To\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t m\u1eb7t b\u00edch ph\u1eb3ng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p m\u1ed9t m\u1eb7t b\u00edch \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng gang ho\u1eb7c v\u1eadt li\u1ec7u gi\u00f2n.<\/p>\n<ul>\n<li><strong>Ph\u1ea1m vi \u00e1p su\u1ea5t:<\/strong> Lo\u1ea1i 125, 250 (gang)<\/li>\n<li><strong>C\u00e1c lo\u1ea1i gio\u0103ng:<\/strong> Mi\u1ebfng \u0111\u1ec7m k\u00edn to\u00e0n b\u1ed9<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> X\u1eed l\u00fd n\u01b0\u1edbc, HVAC, \u00e1p su\u1ea5t th\u1ea5p<\/li>\n<\/ul>\n<h2>Kh\u1edbp n\u1ed1i d\u1ea1ng v\u00f2ng (RTJ)<\/h2>\n<p><strong>K\u1ebft n\u1ed1i k\u00edn kim lo\u1ea1i v\u1edbi kim lo\u1ea1i.<\/strong> Groove s\u1eed d\u1ee5ng v\u00f2ng \u0111\u1ec7m kim lo\u1ea1i cho c\u00e1c \u1ee9ng d\u1ee5ng \u00e1p su\u1ea5t cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n<ul>\n<li><strong>Ph\u1ea1m vi \u00e1p su\u1ea5t:<\/strong> Lo\u1ea1i 600 \u0111\u1ebfn 2500<\/li>\n<li><strong>C\u00e1c lo\u1ea1i gio\u0103ng:<\/strong> V\u00f2ng kim lo\u1ea1i h\u00ecnh b\u1ea7u d\u1ee5c ho\u1eb7c h\u00ecnh b\u00e1t gi\u00e1c<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> Ngo\u00e0i kh\u01a1i, h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t cao, nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u<\/li>\n<li><strong>M\u1eabu nh\u1eabn:<\/strong> D\u00f2ng R, RX, BX<\/li>\n<\/ul>\n<h2>Khu\u00f4n m\u1eb7t nam-n\u1eef (MFM)<\/h2>\n<p><strong>Thi\u1ebft k\u1ebf t\u1ef1 c\u0103n ch\u1ec9nh.<\/strong> M\u1ed9t m\u1eb7t b\u00edch c\u00f3 m\u1eb7t nh\u00f4 cao, m\u1eb7t b\u00edch gh\u00e9p n\u1ed1i c\u00f3 r\u00e3nh l\u00f5m t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<ul>\n<li><strong>Ph\u1ea1m vi \u00e1p su\u1ea5t:<\/strong> Lo\u1ea1i 150 \u0111\u1ebfn 2500<\/li>\n<li><strong>C\u00e1c lo\u1ea1i gio\u0103ng:<\/strong> V\u00f2ng \u0111\u1ec7m<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> C\u00e1c k\u1ebft n\u1ed1i c\u1ee7a b\u01a1m, vi\u1ec7c th\u00e1o l\u1eafp th\u01b0\u1eddng xuy\u00ean<\/li>\n<\/ul>\n<h2>R\u00e3nh v\u00e0 m\u1ed9ng (T&amp;G)<\/h2>\n<p><strong>C\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c.<\/strong> M\u00e9p l\u01b0\u1ee1i tr\u00ean m\u1ed9t m\u1eb7t b\u00edch kh\u1edbp v\u00e0o r\u00e3nh tr\u00ean m\u1eb7t b\u00edch \u0111\u1ed1i di\u1ec7n.<\/p>\n<ul>\n<li><strong>Ph\u1ea1m vi \u00e1p su\u1ea5t:<\/strong> Lo\u1ea1i 150 \u0111\u1ebfn 2500<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> N\u1eafp van, thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng<\/li>\n<\/ul>\n<h2>B\u1ea3ng ch\u1ecdn ki\u1ec3u khu\u00f4n m\u1eb7t<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u0110i\u1ec1u ki\u1ec7n d\u1ecbch v\u1ee5<\/th>\n<th>G\u1ee3i \u00fd cho khu\u00f4n m\u1eb7t<\/th>\n<\/tr>\n<tr>\n<td>M\u1ee5c \u0111\u00edch chung<\/td>\n<td>K\u1ef9 thu\u1eadt n\u00e2ng m\u1eb7t (RF)<\/td>\n<\/tr>\n<tr>\n<td>\u00c1p su\u1ea5t cao<\/td>\n<td>RTJ<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 th\u1ed1ng \u1ed1ng gang<\/td>\n<td>M\u1eb7t ph\u1eb3ng (FF)<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3<\/td>\n<td>MFM ho\u1eb7c T&amp;G<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"quote-box\">\n<h3>\ud83d\udcde Y\u00eau c\u1ea7u catalogue v\u1ec1 m\u1eb7t b\u00edch<\/h3>\n<p><strong>WhatsApp:<\/strong> +86-18658777855<\/p>\n<p><strong>Email:<\/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\/vi\/wp-json\/wp\/v2\/posts\/862","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=862"}],"version-history":[{"count":3,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/862\/revisions"}],"predecessor-version":[{"id":902,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/posts\/862\/revisions\/902"}],"wp:attachment":[{"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/media?parent=862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/categories?post=862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.songhaiflange.com\/vi\/wp-json\/wp\/v2\/tags?post=862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}