{"id":7836,"date":"2026-06-21T16:39:58","date_gmt":"2026-06-21T16:39:58","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=7836"},"modified":"2026-06-21T17:53:59","modified_gmt":"2026-06-21T17:53:59","slug":"technical-manual-fisher-627-series-regulator","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/vi\/technical-manual-fisher-627-series-regulator\/","title":{"rendered":"S\u1ed5 tay k\u1ef9 thu\u1eadt: B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher d\u00f2ng 627: \u1ee8ng d\u1ee5ng k\u1ef9 thu\u1eadt, l\u1ef1a ch\u1ecdn v\u00e0 b\u1ea3o tr\u00ec."},"content":{"rendered":"<p>Trong l\u0129nh v\u1ef1c \u0111i\u1ec1u khi\u1ec3n ch\u1ea5t l\u1ecfng c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, <strong>Fisher <a href=\"https:\/\/www.yunrui-controls.com\/vi\/products\/fisher-627-series\/\">B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t 627<\/a><\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t kh\u00ed tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 th\u01b0\u01a1ng m\u1ea1i. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i kh\u00ed t\u1ef1 nhi\u00ean, n\u1ed3i h\u01a1i c\u00f4ng nghi\u1ec7p, h\u1ec7 th\u1ed1ng m\u00e1y n\u00e9n kh\u00ed v\u00e0 nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n kh\u00e1c nhau. Nh\u1edd thi\u1ebft k\u1ebf t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp, d\u00f2ng s\u1ea3n ph\u1ea9m n\u00e0y th\u1ec3 hi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u01b0\u1ee3t tr\u1ed9i trong \u0111i\u1ec1u ki\u1ec7n t\u1ea3i kh\u00f4ng \u1ed5n \u0111\u1ecbnh, tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh kh\u00ed c\u00f4ng nghi\u1ec7p.<\/p>\n<p>L\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m ch\u1ee7 l\u1ef1c do YUNRUI cung c\u1ea5p, ch\u00fang t\u00f4i cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c lo\u1ea1i van \u0111i\u1ec1u \u00e1p Fisher 627 t\u1eeb DN20 \u0111\u1ebfn DN50 v\u00e0 cam k\u1ebft h\u1ed7 tr\u1ee3 c\u00e1c k\u1ef9 s\u01b0 trong m\u1ecdi chi ti\u1ebft, t\u1eeb kh\u00e2u l\u1ef1a ch\u1ecdn ban \u0111\u1ea7u \u0111\u1ebfn \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter\" title=\"B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t m\u1eb7t b\u00edch Fisher 627 - YUNRUI\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/627%E7%B3%BB%E5%88%971-300x225.jpg\" alt=\"Fisher 627 pressure regulator with flanged connections for industrial gas distribution\" width=\"599\" height=\"449\" \/><\/p>\n<h2>1. Ph\u00e2n t\u00edch c\u1ea5u tr\u00fac b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627: Nguy\u00ean l\u00fd k\u1ef9 thu\u1eadt cho \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t<\/h2>\n<p>C\u1ed1t l\u00f5i c\u1ee7a <strong>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627<\/strong> \u0110i\u1ec3m n\u1ed5i b\u1eadt trong thi\u1ebft k\u1ebf n\u1eb1m \u1edf h\u1ec7 th\u1ed1ng c\u00e2n b\u1eb1ng l\u1ef1c ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1eadt li\u1ec7u cao, cho ph\u00e9p n\u00f3 \u0111\u00e1p \u1ee9ng nhi\u1ec1u k\u1ecbch b\u1ea3n kh\u00e1c nhau, t\u1eeb kh\u00ed nhi\u00ean li\u1ec7u ti\u00eau chu\u1ea9n \u0111\u1ebfn x\u1eed l\u00fd h\u00f3a ch\u1ea5t \u00e1p su\u1ea5t cao.<\/p>\n<h3>L\u1ef1a ch\u1ecdn ch\u1ea5t li\u1ec7u v\u00e0 k\u00edch th\u01b0\u1edbc Fisher 627<\/h3>\n<ul>\n<li><strong>Th\u00e2n b\u1eb1ng gang d\u1ebbo:<\/strong> C\u00e1c m\u1eabu ph\u1ed5 bi\u1ebfn c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627 bao g\u1ed3m 627-496, c\u00f3 s\u1eb5n v\u1edbi \u0111\u01b0\u1eddng k\u00ednh trong DN25 ho\u1eb7c DN50. Do t\u00ednh hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c tr\u1ea1m \u0111i\u1ec1u ch\u1ec9nh kh\u00ed \u0111\u1ed1t th\u00e0nh ph\u1ed1 v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n ti\u00eau chu\u1ea9n. \u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o t\u1ed1i \u0111a: 1000 psig \/ 69 bar.<\/li>\n<li><strong>Th\u00e2n b\u1eb1ng th\u00e9p cacbon (WCC):<\/strong> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u00f4i tr\u01b0\u1eddng \u00e1p su\u1ea5t cao trong ng\u00e0nh d\u1ea7u kh\u00ed ho\u1eb7c h\u00f3a d\u1ea7u, cung c\u1ea5p \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p l\u1ef1c v\u01b0\u1ee3t tr\u1ed9i. \u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o t\u1ed1i \u0111a: 2000 psig \/ 138 bar (NPT) ho\u1eb7c 1500 psig \/ 103 bar (m\u1eb7t b\u00edch).<\/li>\n<li><strong>Th\u00e2n m\u00e1y b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 (CF8M\/316SS):<\/strong> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho kh\u00ed chua (tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n NACE) ho\u1eb7c m\u00f4i ch\u1ea5t \u0103n m\u00f2n h\u00f3a h\u1ecdc, \u0111\u1ea3m b\u1ea3o th\u00e2n van kh\u00f4ng b\u1ecb r\u1ed7 ho\u1eb7c th\u1ee7ng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh l\u00e2u d\u00e0i. \u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o t\u1ed1i \u0111a: 2000 psig \/ 138 bar (NPT) ho\u1eb7c 1440 psig \/ 99,3 bar (m\u1eb7t b\u00edch).<\/li>\n<\/ul>\n<h3>H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn l\u1ed7 tho\u00e1t n\u01b0\u1edbc Fisher 627<\/h3>\n<p>C\u00e1i <strong>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627<\/strong> D\u00f2ng s\u1ea3n ph\u1ea9m n\u00e0y cung c\u1ea5p c\u00e1c k\u00edch th\u01b0\u1edbc l\u1ed7 t\u1eeb 3\/32\u2033 \u0111\u1ebfn 1\/2\u2033. L\u1ed7 nh\u1ecf h\u01a1n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o cao h\u01a1n nh\u01b0ng cung c\u1ea5p l\u01b0u l\u01b0\u1ee3ng th\u1ea5p h\u01a1n (gi\u00e1 tr\u1ecb Cv).<\/p>\n<table>\n<tbody>\n<tr>\n<th>K\u00edch th\u01b0\u1edbc l\u1ed7<\/th>\n<th>Cg (Kh\u00ed)<\/th>\n<th>Cv (D\u1ea1ng l\u1ecfng)<\/th>\n<th>\u1ee8ng d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th>\n<\/tr>\n<tr>\n<td>3\/32\u2033 (2,4 mm)<\/td>\n<td>6.9<\/td>\n<td>0.24<\/td>\n<td>L\u01b0u l\u01b0\u1ee3ng r\u1ea5t th\u1ea5p, \u0111i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c<\/td>\n<\/tr>\n<tr>\n<td>1\/8\u2033 (3,2 mm)<\/td>\n<td>12.5<\/td>\n<td>0.43<\/td>\n<td>H\u1ec7 th\u1ed1ng th\u00ed \u0111i\u1ec3m l\u01b0u l\u01b0\u1ee3ng th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>3\/16\u2033 (4,8 mm)<\/td>\n<td>29<\/td>\n<td>1.01<\/td>\n<td>\u1ee8ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i nh\u1ecf<\/td>\n<\/tr>\n<tr>\n<td>1\/4\u2033 (6,4 mm)<\/td>\n<td>50<\/td>\n<td>1.71<\/td>\n<td>Ti\u00eau chu\u1ea9n th\u01b0\u01a1ng m\u1ea1i\/c\u00f4ng nghi\u1ec7p<\/td>\n<\/tr>\n<tr>\n<td>3\/8\u2033 (9,5 mm)<\/td>\n<td>108<\/td>\n<td>3.42<\/td>\n<td>Ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng cao<\/td>\n<\/tr>\n<tr>\n<td>1\/2\u2033 (13 mm)<\/td>\n<td>190<\/td>\n<td>5.29<\/td>\n<td>C\u00e1c nh\u00e0 ga c\u00f4ng nghi\u1ec7p l\u1edbn, ga c\u1eeda ng\u00f5 th\u00e0nh ph\u1ed1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>M\u1eb9o l\u1ef1a ch\u1ecdn:<\/strong> N\u00ean \u0111\u1eb7t nhu c\u1ea7u kh\u00ed t\u1ed1i \u0111a \u1edf m\u1ee9c 70%-80% trong ph\u1ea1m vi c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a van \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec1u ch\u1ec9nh t\u1ed1i \u01b0u v\u00e0 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng van b\u1ecb dao \u0111\u1ed9ng.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" title=\"B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627 NPT - YUNRUI\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/627%E7%B3%BB%E5%88%972-225x300.jpg\" alt=\"Fisher 627 NPT threaded pressure regulator with direct-acting design\" width=\"622\" height=\"829\" \/><\/p>\n<h2>2. M\u00e3 s\u1ed1 v\u00e0 c\u00e1c bi\u1ebfn th\u1ec3 c\u1ee7a d\u00f2ng s\u1ea3n ph\u1ea9m Fisher 627<\/h2>\n<p>Hi\u1ec3u r\u00f5 c\u00e1c m\u00e3 h\u1eadu t\u1ed1 c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c, v\u00ec c\u00e1c h\u1eadu t\u1ed1 n\u00e0y x\u00e1c \u0111\u1ecbnh c\u00e1c gi\u1edbi h\u1ea1n ch\u1ee9c n\u0103ng c\u1ee7a van.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Ng\u01b0\u1eddi m\u1eabu<\/th>\n<th>C\u00e1c t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt ch\u00ednh<\/th>\n<th>C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t<\/th>\n<th>\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<tr>\n<td><strong>627<\/strong><\/td>\n<td>B\u01a1m th\u1ee7y l\u1ef1c t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp ti\u00eau chu\u1ea9n c\u00f3 \u1ed1ng \u0111o \u00e1p su\u1ea5t Pitot<\/td>\n<td>B\u00ean trong (\u1ed1ng pitot)<\/td>\n<td>Ph\u00e2n ph\u1ed1i kh\u00ed \u0111\u1ed1t n\u00f3i chung, c\u00e1c t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i, n\u1ed3i h\u01a1i c\u00f4ng nghi\u1ec7p<\/td>\n<\/tr>\n<tr>\n<td><strong>627R<\/strong><\/td>\n<td>Van x\u1ea3 \u00e1p b\u00ean trong + ch\u1ed1t ch\u1eb7n h\u00e0nh tr\u00ecnh<\/td>\n<td>N\u1ed9i b\u1ed9 + gi\u1ea3m \u0111au<\/td>\n<td>C\u00e1c h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 qu\u00e1 \u00e1p<\/td>\n<\/tr>\n<tr>\n<td><strong>627LR<\/strong><\/td>\n<td>Gi\u1ea3m \u00e1p l\u1ef1c b\u00ean trong \u1edf t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng<\/td>\n<td>B\u00ean trong + t\u1ea5m \u1ed1p nh\u1eb9<\/td>\n<td>C\u00e1c h\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t th\u1ea5p c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u00ednh x\u00e1c.<\/td>\n<\/tr>\n<tr>\n<td><strong>627 tri\u1ec7u<\/strong><\/td>\n<td>Kh\u1ea3 n\u0103ng c\u1ea3m bi\u1ebfn b\u00ean ngo\u00e0i<\/td>\n<td>\u0110\u01b0\u1eddng \u0111i\u1ec1u khi\u1ec3n 1\/4 NPT b\u00ean ngo\u00e0i<\/td>\n<td>\u1ee8ng d\u1ee5ng \u00e1p su\u1ea5t \u0111\u1ea7u ra cao ho\u1eb7c c\u1ea3m bi\u1ebfn t\u1eeb xa<\/td>\n<\/tr>\n<tr>\n<td><strong>627BM<\/strong><\/td>\n<td>C\u1ed5ng c\u00e2n b\u1eb1ng + c\u1ea3m bi\u1ebfn ngo\u00e0i<\/td>\n<td>\u0110i\u1ec1u ch\u1ec9nh b\u00ean ngo\u00e0i + c\u00e2n b\u1eb1ng<\/td>\n<td>\u0110i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o thay \u0111\u1ed5i<\/td>\n<\/tr>\n<tr>\n<td><strong>627MR<\/strong><\/td>\n<td>C\u1ea3m bi\u1ebfn b\u00ean ngo\u00e0i + gi\u1ea3m \u00e1p b\u00ean trong<\/td>\n<td>B\u00ean ngo\u00e0i + gi\u1ea3m \u00e1p<\/td>\n<td>C\u00e1c h\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t cao c\u1ea7n b\u1ea3o v\u1ec7 k\u00e9p<\/td>\n<\/tr>\n<tr>\n<td><strong>627BMR<\/strong><\/td>\n<td>C\u1ed5ng c\u00e2n b\u1eb1ng + c\u1ed5ng ngo\u00e0i + gi\u1ea3m \u00e1p<\/td>\n<td>B\u00ean ngo\u00e0i + c\u00e2n b\u1eb1ng + gi\u1ea3m \u0111au<\/td>\n<td>C\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau<\/td>\n<\/tr>\n<tr>\n<td><strong>627H<\/strong><\/td>\n<td>\u00c1p su\u1ea5t \u0111\u1ea7u ra cao (l\u00ean \u0111\u1ebfn 500 psig)<\/td>\n<td>B\u00ean trong v\u1edbi b\u1ed9 gi\u1edbi h\u1ea1n m\u00e0ng ng\u0103n<\/td>\n<td>\u1ee8ng d\u1ee5ng \u0111\u1ea7u ra \u00e1p su\u1ea5t cao<\/td>\n<\/tr>\n<tr>\n<td><strong>627HM<\/strong><\/td>\n<td>\u00c1p su\u1ea5t cao + c\u1ea3m bi\u1ebfn b\u00ean ngo\u00e0i<\/td>\n<td>C\u1ea3m bi\u1ebfn b\u00ean ngo\u00e0i cho \u1ed5 c\u1eafm \u0111i\u1ec7n cao<\/td>\n<td>H\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t cao v\u1edbi gi\u00e1m s\u00e1t t\u1eeb xa<\/td>\n<\/tr>\n<tr>\n<td><strong>627W<\/strong><\/td>\n<td>T\u1ed1i \u01b0u h\u00f3a d\u1ecbch v\u1ee5 ch\u1ea5t l\u1ecfng<\/td>\n<td>B\u00ean trong (t\u1ed1i \u01b0u h\u00f3a cho ch\u1ea5t l\u1ecfng)<\/td>\n<td>N\u01b0\u1edbc, d\u1ea7u th\u1ee7y l\u1ef1c, m\u00f4i ch\u1ea5t l\u1ecfng<\/td>\n<\/tr>\n<tr>\n<td><strong>627OSX<\/strong><\/td>\n<td>B\u1ea3o v\u1ec7 qu\u00e1 \u00e1p\/thi\u1ebfu \u00e1p b\u1eb1ng c\u00e1ch \u0111\u00f3ng ng\u1eaft \u0111\u1ed9t ng\u1ed9t (OPSO\/UPSO\/OPSO+OPSO)<\/td>\n<td>T\u1eaft m\u00e1y kh\u1ea9n c\u1ea5p b\u00ean trong<\/td>\n<td>H\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i kh\u00ed \u0111\u1ed1t quan tr\u1ecdng v\u1ec1 an to\u00e0n, y\u00eau c\u1ea7u t\u1ef1 \u0111\u1ed9ng ng\u1eaft khi qu\u00e1 \u00e1p ho\u1eb7c thi\u1ebfu \u00e1p.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>3. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a Fisher 627<\/h2>\n<h3>X\u1ebfp h\u1ea1ng \u00e1p su\u1ea5t c\u01a1 th\u1ec3<\/h3>\n<table>\n<tbody>\n<tr>\n<th>V\u1eadt li\u1ec7u th\u00e2n<\/th>\n<th>Lo\u1ea1i k\u1ebft n\u1ed1i<\/th>\n<th>\u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o t\u1ed1i \u0111a<\/th>\n<\/tr>\n<tr>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9<\/td>\n<td>NPT<\/td>\n<td>2000 psig \/ 138 bar<\/td>\n<\/tr>\n<tr>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9<\/td>\n<td>C\u00f3 m\u1eb7t b\u00edch (CL150\/300\/600 RF, PN16\/25\/40)<\/td>\n<td>1440 psig \/ 99,3 bar (CL600)<\/td>\n<\/tr>\n<tr>\n<td>Th\u00e9p cacbon<\/td>\n<td>NPT<\/td>\n<td>2000 psig \/ 138 bar<\/td>\n<\/tr>\n<tr>\n<td>Th\u00e9p cacbon<\/td>\n<td>C\u00f3 m\u1eb7t b\u00edch (CL150\/300\/600 RF, PN16\/25\/40)<\/td>\n<td>1500 psig \/ 103 bar (CL600)<\/td>\n<\/tr>\n<tr>\n<td>Th\u00e9p cacbon (627OSX)<\/td>\n<td>NPT, SWE, BWE, CL150\/300\/600 RF, PN16\/25\/40 RF<\/td>\n<td>1500 psig \/ 103 bar<\/td>\n<\/tr>\n<tr>\n<td>Gang d\u1ebbo<\/td>\n<td>NPT<\/td>\n<td>1000 psig \/ 69 bar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>V\u1eadt li\u1ec7u \u0111\u0129a van v\u00e0 ph\u00e2n lo\u1ea1i van \u0111\u00f3ng ng\u1eaft<\/h3>\n<table>\n<tbody>\n<tr>\n<th>V\u1eadt li\u1ec7u \u0111\u0129a<\/th>\n<th>\u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o t\u1ed1i \u0111a<\/th>\n<th>L\u1edbp t\u1eaft<\/th>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<tr>\n<td>Nitrile (NBR)<\/td>\n<td>1000 psig \/ 69 bar<\/td>\n<td>Bong b\u00f3ng kh\u00edt<\/td>\n<td>Kh\u00ed \u0111\u1ed1t t\u1ef1 nhi\u00ean, d\u1ecbch v\u1ee5 chung<\/td>\n<\/tr>\n<tr>\n<td>Fluorocarbon (FKM)<\/td>\n<td>300 psig \/ 20,7 bar<\/td>\n<td>Bong b\u00f3ng kh\u00edt<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t, m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n<\/td>\n<\/tr>\n<tr>\n<td>Nylon (PA)<\/td>\n<td>2000 psig \/ 138 bar<\/td>\n<td>ANSI\/FCI Lo\u1ea1i IV<\/td>\n<td>C\u1ea7n \u00e1p su\u1ea5t cao v\u00e0 kh\u1ea3 n\u0103ng \u0111\u00f3ng k\u00edn tuy\u1ec7t \u0111\u1ed1i.<\/td>\n<\/tr>\n<tr>\n<td>NBR (D\u00f2ng 627B)<\/td>\n<td>1000 psig \/ 69 bar<\/td>\n<td>FCI H\u1ea1ng VIII<\/td>\n<td>\u1ee8ng d\u1ee5ng c\u1eaft t\u1ec9a c\u00e2n b\u1eb1ng<\/td>\n<\/tr>\n<tr>\n<td>PA (D\u00f2ng 627B)<\/td>\n<td>1500 psig \/ 103 bar<\/td>\n<td>FCI H\u1ea1ng IV<\/td>\n<td>C\u00e2n b\u1eb1ng, \u00e1p su\u1ea5t cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t v\u1ecf m\u00e0ng ng\u0103n<\/h3>\n<table>\n<tbody>\n<tr>\n<th>T\u00ecnh tr\u1ea1ng<\/th>\n<th>Nh\u00f4m<\/th>\n<th>Gang d\u1ebbo<\/th>\n<th>Th\u00e9p\/Th\u00e9p kh\u00f4ng g\u1ec9<\/th>\n<\/tr>\n<tr>\n<td>Ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9 kh\u00ed quy\u1ec3n<\/td>\n<td>250 psig<\/td>\n<td>250 psig<\/td>\n<td>250 psig (627R: 800 psig)<\/td>\n<\/tr>\n<tr>\n<td>Ng\u0103n ng\u1eeba v\u1ee1 h\u1ed3 s\u01a1<\/td>\n<td>375 psig<\/td>\n<td>465 psig<\/td>\n<td>1500 psig<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>L\u01b0u \u00fd: \u00c1p su\u1ea5t d\u01b0 t\u1ed1i \u0111a c\u1ee7a v\u1ecf m\u00e0ng ng\u0103n v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec3m \u0111\u1eb7t n\u1eb1m trong kho\u1ea3ng 60-120 psig t\u00f9y thu\u1ed9c v\u00e0o c\u1ea5u h\u00ecnh c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng model.<\/em><\/p>\n<h3>Ph\u1ea1m vi \u00e1p su\u1ea5t \u0111\u1ea7u ra l\u00f2 xo<\/h3>\n<table>\n<tbody>\n<tr>\n<th>S\u1eafc xu\u00e2n<\/th>\n<th>Ph\u1ea1m vi \u00e1p su\u1ea5t \u0111\u1ea7u ra<\/th>\n<th>C\u00e1c m\u1eabu c\u00f3 s\u1eb5n<\/th>\n<\/tr>\n<tr>\n<td>M\u00e0u v\u00e0ng<\/td>\n<td>5 \u2013 20 psig \/ 0,34 \u2013 1,4 bar<\/td>\n<td>M\u00f4 h\u00ecnh ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>M\u00e0u xanh l\u00e1<\/td>\n<td>15 \u2013 40 psig \/ 1,0 \u2013 2,8 bar<\/td>\n<td>M\u00f4 h\u00ecnh ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>M\u00e0u xanh da tr\u1eddi<\/td>\n<td>35 \u2013 80 psig \/ 2,4 \u2013 5,5 bar<\/td>\n<td>M\u00f4 h\u00ecnh ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>M\u00e0u \u0111\u1ecf<\/td>\n<td>70 \u2013 150 psig \/ 4,8 \u2013 10,3 bar<\/td>\n<td>M\u00f4 h\u00ecnh ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>Xanh (\u0111\u1eadm)<\/td>\n<td>140 \u2013 250 psig \/ 9,7 \u2013 17,2 bar<\/td>\n<td>Ch\u1ec9 627H\/HM<\/td>\n<\/tr>\n<tr>\n<td>M\u00e0u \u0111\u1ecf (\u0111\u1eadm)<\/td>\n<td>240 \u2013 500 psig \/ 16,5 \u2013 34,5 bar<\/td>\n<td>Ch\u1ec9 627H\/HM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 theo ch\u1ea5t \u0111\u00e0n h\u1ed3i<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Ch\u1ea5t \u0111\u00e0n h\u1ed3i<\/th>\n<th>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/th>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<tr>\n<td>Nitrile (NBR)<\/td>\n<td>-40\u00b0F \u0111\u1ebfn 180\u00b0F \/ -40\u00b0C \u0111\u1ebfn 82\u00b0C<\/td>\n<td>Kh\u00ed t\u1ef1 nhi\u00ean, \u1ee9ng d\u1ee5ng ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>Cao su Nitrile (NBR) \u2013 627OSX<\/td>\n<td>-20\u00b0F \u0111\u1ebfn 180\u00b0F \/ -29\u00b0C \u0111\u1ebfn 82\u00b0C<\/td>\n<td>\u1ee8ng d\u1ee5ng \u0111\u00f3ng nhanh<\/td>\n<\/tr>\n<tr>\n<td>Fluorocarbon (FKM)<\/td>\n<td>T\u1eeb 0\u00b0F \u0111\u1ebfn 180\u00b0F \/ T\u1eeb -18\u00b0C \u0111\u1ebfn 82\u00b0C<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t, m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u0129a nylon (PA)<\/td>\n<td>-40\u00b0F \u0111\u1ebfn 180\u00b0F \/ -40\u00b0C \u0111\u1ebfn 82\u00b0C<\/td>\n<td>\u00c1p su\u1ea5t cao, van ng\u1eaft c\u1ea5p IV<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>4. H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn gi\u1eefa Fisher 627, 627R, 627M v\u00e0 627BM<\/h2>\n<table>\n<tbody>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>627<\/th>\n<th>627R<\/th>\n<th>627 tri\u1ec7u<\/th>\n<th>627BM<\/th>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t<\/td>\n<td>B\u00ean trong (\u1ed1ng pitot)<\/td>\n<td>N\u1ed9i b\u1ed9 + gi\u1ea3m \u0111au<\/td>\n<td>\u0110\u01b0\u1eddng \u0111i\u1ec1u khi\u1ec3n b\u00ean ngo\u00e0i<\/td>\n<td>C\u1ed5ng ngo\u00e0i + c\u1ed5ng c\u00e2n b\u1eb1ng<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea3o v\u1ec7 qu\u00e1 \u00e1p<\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<td>Van x\u1ea3 \u00e1p b\u00ean trong<\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 nh\u1ea1y \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Th\u1ea5p<\/td>\n<td>R\u1ea5t th\u1ea5p (c\u00e2n b\u1eb1ng)<\/td>\n<\/tr>\n<tr>\n<td>\u00c1p su\u1ea5t \u0111\u1ea7u ra t\u1ed1i \u0111a<\/td>\n<td>150 psig<\/td>\n<td>150 psig<\/td>\n<td>2000 psig (\u00e1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c)<\/td>\n<td>2000 psig (\u00e1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c)<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1t nh\u1ea5t cho<\/td>\n<td>\u0110i\u1ec1u ki\u1ec7n \u0111\u1ea7u v\u00e0o \u1ed5n \u0111\u1ecbnh<\/td>\n<td>C\u00e1c h\u1ec7 th\u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/td>\n<td>\u1ed4 c\u1eafm \u0111i\u1ec7n cao ho\u1eb7c c\u1ea3m bi\u1ebfn t\u1eeb xa<\/td>\n<td>\u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o thay \u0111\u1ed5i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>5. H\u01b0\u1edbng d\u1eabn hi\u1ec7u chu\u1ea9n t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng Fisher 627: Thi\u1ebft l\u1eadp \u0111i\u1ec3m 0 v\u00e0 ph\u1ea1m vi \u0111o<\/h2>\n<p>Khi hi\u1ec7u ch\u1ec9nh b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy tr\u00ecnh x\u1ea3 \u00e1p su\u1ea5t ph\u00eda h\u1ea1 l\u01b0u. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng l\u1ef1c n\u00e9n l\u00f2 xo khi van \u0111ang \u1edf tr\u1ea1ng th\u00e1i \u0111\u00f3ng ho\u00e0n to\u00e0n, v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng m\u00e0ng ng\u0103n.<\/p>\n<ul>\n<li><strong>Thi\u1ebft l\u1eadp \u00e1p su\u1ea5t \u0111\u1ea7u ra:<\/strong> \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch xoay bu l\u00f4ng \u0111i\u1ec1u ch\u1ec9nh \u1edf ph\u00eda tr\u00ean b\u1ed9 truy\u1ec1n \u0111\u1ed9ng. Xoay theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 s\u1ebd l\u00e0m t\u0103ng \u00e1p su\u1ea5t c\u1ee7a l\u00f2 xo \u0111i\u1ec1u ch\u1ec9nh b\u00ean trong, do \u0111\u00f3 l\u00e0m t\u0103ng m\u1ee9c \u00e1p su\u1ea5t \u0111\u1ea7u ra.<\/li>\n<li><strong>Ki\u1ec3m tra ph\u1ea1m vi l\u00f2 xo:<\/strong> M\u1ed7i b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627 \u0111\u1ec1u c\u00f3 ph\u1ea1m vi \u00e1p su\u1ea5t l\u00f2 xo c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: 5-20 psi ho\u1eb7c 70-150 psi). Kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ed1 g\u1eafng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t n\u1eb1m ngo\u00e0i ph\u1ea1m vi thi\u1ebft k\u1ebf b\u1eb1ng c\u00e1ch n\u00e9n l\u00f2 xo qu\u00e1 m\u1ee9c, v\u00ec \u0111i\u1ec1u n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng m\u1ecfi l\u00f2 xo ho\u1eb7c h\u01b0 h\u1ecfng m\u00e0ng ng\u0103n. N\u1ebfu c\u00e0i \u0111\u1eb7t y\u00eau c\u1ea7u kh\u00f4ng kh\u1edbp, h\u00e3y li\u00ean h\u1ec7 ngay v\u1edbi YUNRUI \u0111\u1ec3 \u0111\u1ed5i l\u1ea5y b\u1ed9 l\u00f2 xo ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n<h2>6. Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 Fisher 627: C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 gi\u1ea3i ph\u00e1p khi s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf<\/h2>\n<p>Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh l\u00e2u d\u00e0i, ch\u1ea5t l\u01b0\u1ee3ng kh\u00ed ho\u1eb7c c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 b\u1ea5t th\u01b0\u1eddng trong \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627. Nh\u00f3m k\u1ef9 thu\u1eadt c\u1ee7a YUNRUI \u0111\u00e3 t\u1ed5ng k\u1ebft h\u01b0\u1edbng d\u1eabn ch\u1ea9n \u0111o\u00e1n sau:<\/p>\n<table>\n<tbody>\n<tr>\n<th>Tri\u1ec7u ch\u1ee9ng<\/th>\n<th>Nguy\u00ean nh\u00e2n ti\u1ec1m t\u00e0ng<\/th>\n<th>Gi\u1ea3i ph\u00e1p<\/th>\n<\/tr>\n<tr>\n<td>Hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9 \u00e1p su\u1ea5t \u0111\u1ea7u ra (kh\u00f4ng kh\u00f3a ch\u1eb7t)<\/td>\n<td>C\u1eb7n b\u1ea9n tr\u00ean l\u1ed7 tho\u00e1t ho\u1eb7c \u0111\u0129a van b\u1ecb m\u00f2n<\/td>\n<td>L\u00e0m s\u1ea1ch l\u1ed7 tho\u00e1t ho\u1eb7c thay th\u1ebf gio\u0103ng \u0111\u0129a van.<\/td>\n<\/tr>\n<tr>\n<td>Dao \u0111\u1ed9ng \u00e1p su\u1ea5t \u1edf l\u01b0u l\u01b0\u1ee3ng th\u1ea5p<\/td>\n<td>Van qu\u00e1 kh\u1ed5; l\u1ed7 qu\u00e1 l\u1edbn<\/td>\n<td>L\u1eafp \u0111\u1eb7t l\u1ed7 nh\u1ecf h\u01a1n ho\u1eb7c ch\u1ecdn k\u00edch th\u01b0\u1edbc th\u00e2n nh\u1ecf h\u01a1n.<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec7n t\u01b0\u1ee3ng s\u1ee5t \u00e1p qu\u00e1 m\u1ee9c \u1edf l\u01b0u l\u01b0\u1ee3ng cao<\/td>\n<td>Van qu\u00e1 nh\u1ecf; h\u1ec7 s\u1ed1 Cv kh\u00f4ng \u0111\u1ee7<\/td>\n<td>Thay th\u1ebf b\u1eb1ng lo\u1ea1i c\u00f3 l\u1ed7 tho\u00e1t ho\u1eb7c k\u00edch th\u01b0\u1edbc th\u00e2n l\u1edbn h\u01a1n.<\/td>\n<\/tr>\n<tr>\n<td>R\u00f2 r\u1ec9 b\u00ean ngo\u00e0i t\u1eeb v\u1ecf m\u00e0ng ng\u0103n<\/td>\n<td>M\u00e0ng ng\u0103n b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c l\u1eafp r\u00e1p kh\u00f4ng \u0111\u00fang c\u00e1ch<\/td>\n<td>Thay th\u1ebf m\u00e0ng ch\u1eafn v\u00e0 ki\u1ec3m tra v\u1ecf m\u00e1y xem c\u00f3 b\u1ecb h\u01b0 h\u1ecfng kh\u00f4ng.<\/td>\n<\/tr>\n<tr>\n<td>Van x\u1ea3 \u00e1p li\u00ean t\u1ee5c ho\u1ea1t \u0111\u1ed9ng (627R\/LR\/MR\/BMR)<\/td>\n<td>\u00c1p su\u1ea5t \u0111\u1ea7u ra \u0111\u01b0\u1ee3c \u0111\u1eb7t qu\u00e1 cao; l\u00f2 xo x\u1ea3 \u00e1p y\u1ebfu<\/td>\n<td>Ki\u1ec3m tra \u0111i\u1ec3m \u0111\u1eb7t n\u1eb1m trong ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u00f2 xo; thay th\u1ebf l\u00f2 xo gi\u1ea3m \u00e1p n\u1ebfu c\u1ea7n thi\u1ebft.<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f4ng c\u00f3 ph\u1ea3n h\u1ed3i khi xoay bu l\u00f4ng \u0111i\u1ec1u ch\u1ec9nh.<\/td>\n<td>L\u00f2 xo b\u1ecb g\u00e3y; kh\u1edbp n\u1ed1i b\u1ecb k\u1eb9t; \u1ed1ng \u0111o \u00e1p su\u1ea5t t\u0129nh b\u1ecb t\u1eafc.<\/td>\n<td>Th\u00e1o r\u1eddi v\u00e0 ki\u1ec3m tra c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" class=\"aligncenter\" title=\"C\u00e1c linh ki\u1ec7n b\u00ean trong m\u00e1y Fisher 627 - YUNRUI\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/627%E7%B3%BB%E5%88%973.jpg\" alt=\"Fisher 627 regulator disassembled showing internal components and trim parts\" width=\"743\" height=\"991\" \/><\/p>\n<h2>7. L\u1ecbch b\u1ea3o tr\u00ec Fisher 627<\/h2>\n<p>C\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t ho\u1ea1t \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp nh\u01b0 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 627 c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3:<\/p>\n<ul>\n<li><strong>Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 h\u00e0ng n\u0103m:<\/strong> Ki\u1ec3m tra r\u00f2 r\u1ec9 b\u00ean ngo\u00e0i, t\u00ecnh tr\u1ea1ng m\u00e0ng ng\u0103n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u00f2 xo.<\/li>\n<li><strong>Ki\u1ec3m tra \u0111\u1ed9 m\u00f2n vi\u1ec1n:<\/strong> Theo d\u00f5i \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u00e1p su\u1ea5t \u0111\u1ea7u ra; hi\u1ec7n t\u01b0\u1ee3ng gi\u1ea3m \u00e1p su\u1ea5t ng\u00e0y c\u00e0ng t\u0103ng cho th\u1ea5y gio\u0103ng ho\u1eb7c n\u00fat b\u1ecb m\u00f2n.<\/li>\n<li><strong>B\u1ea3o tr\u00ec b\u1ed9 l\u1ecdc:<\/strong> L\u00e0m s\u1ea1ch ho\u1eb7c thay th\u1ebf c\u00e1c b\u1ed9 l\u1ecdc ph\u00eda tr\u00ean t\u00f9y thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh.<\/li>\n<li><strong>Thay th\u1ebf l\u00f2 xo:<\/strong> N\u1ebfu kh\u00f4ng th\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 c\u00e0i \u0111\u1eb7t, l\u00f2 xo c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb bi\u1ebfn d\u1ea1ng.<\/li>\n<li><strong>Ki\u1ec3m tra ch\u1ee9c n\u0103ng gi\u1ea3i ph\u00f3ng (627R\/LR\/MR\/BMR):<\/strong> Ki\u1ec3m tra xem van x\u1ea3 \u00e1p b\u00ean trong c\u00f3 m\u1edf khi \u0111\u1ea1t \u00e1p su\u1ea5t v\u01b0\u1ee3t qu\u00e1 quy \u0111\u1ecbnh hay kh\u00f4ng.<\/li>\n<\/ul>\n<h2>B\u00e0i \u0111\u1ecdc li\u00ean quan<\/h2>\n<p>M\u1edf r\u1ed9ng ki\u1ebfn th\u1ee9c c\u1ee7a b\u1ea1n v\u1ec1 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u ch\u1ec9nh v\u00e0 ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-67cfr-troubleshooting-guide\/\">B\u1ed9 l\u1ecdc \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t Fisher 67CFR: H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1, s\u1eeda ch\u1eefa v\u00e0 ph\u1ee5 t\u00f9ng \u0111\u1ea7y \u0111\u1ee7.<\/a> \u2014 Quy tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng v\u00e0 s\u1eeda ch\u1eefa b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh l\u1ecdc<\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-ezr-pressure-reducing-regulator\/\">B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t gi\u1ea3m Fisher EZR: Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng<\/a> \u2014 B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh v\u1eadn h\u00e0nh b\u1eb1ng kh\u00ed n\u00e9n cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n<\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-valve-selection-guide\/\">H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn van Fisher: C\u1ea9m nang k\u1ef9 thu\u1eadt \u0111\u1ea7y \u0111\u1ee7 cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/a> \u2014 Ph\u01b0\u01a1ng ph\u00e1p l\u1ef1a ch\u1ecdn van to\u00e0n di\u1ec7n<\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/vi\/control-valve-accessories-guide\/\">H\u01b0\u1edbng d\u1eabn ph\u1ee5 ki\u1ec7n van \u0111i\u1ec1u khi\u1ec3n: B\u1ed9 \u0111\u1ecbnh v\u1ecb, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh l\u1ecdc v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa<\/a> \u2014 Hi\u1ec3u r\u00f5 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng van \u0111i\u1ec1u khi\u1ec3n<\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-dvc6200-vs-siemens-ps2\/\">H\u01b0\u1edbng d\u1eabn so s\u00e1nh b\u1ed9 \u0111\u1ecbnh v\u1ecb van k\u1ef9 thu\u1eadt s\u1ed1 Fisher DVC6200 v\u00e0 Siemens PS2:<\/a> \u2014 So s\u00e1nh c\u00f4ng ngh\u1ec7 \u0111\u1ecbnh v\u1ecb th\u00f4ng minh<\/li>\n<\/ul>\n<h2>Y\u00eau c\u1ea7u b\u00e1o gi\u00e1<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft gi\u00e1 c\u1ea3, t\u00ecnh tr\u1ea1ng s\u1eb5n c\u00f3 v\u00e0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i. <strong><a href=\"https:\/\/www.yunrui-controls.com\/vi\/products\/fisher-627-series\/\">Fisher 627<\/a> b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t<\/strong>, Vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi c\u00e1c k\u1ef9 s\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang t\u00f4i:<\/p>\n<p><strong>E-mail:<\/strong> <a href=\"mailto:sales@yunrui-controls.com\">sales@yunrui-controls.com<\/a><br \/>\n<strong>WhatsApp:<\/strong> <a href=\"https:\/\/wa.me\/8618710784030\">18710784030<\/a><\/p>\n<p>Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t ch\u00ednh h\u00e3ng Fisher v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 t\u1eeb nh\u00e0 m\u00e1y, giao h\u00e0ng nhanh ch\u00f3ng tr\u00ean to\u00e0n c\u1ea7u v\u00e0 gi\u00e1 c\u1ea3 c\u1ea1nh tranh cho c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn.<\/p>","protected":false},"excerpt":{"rendered":"<p>In modern industrial fluid control, the Fisher 627 pressure regulator is one of the most widely used direct-operated gas pressure regulators in industrial and commercial applications. The Fisher 627 pressure regulator is widely utilized for pressure regulation in natural gas distribution, industrial boilers, air compressor systems, and various corrosive media environments. Due to its direct-acting [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[384,1],"tags":[],"class_list":["post-7836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blogs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Fisher 627 Pressure Regulator | Selection Guide &amp; Model Codes<\/title>\n<meta name=\"description\" content=\"Complete Fisher 627 pressure regulator manual. 11 models, 2000 psig rating, Cv tables, troubleshooting. 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