{"id":8455,"date":"2026-06-18T18:10:53","date_gmt":"2026-06-18T18:10:53","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8455"},"modified":"2026-06-18T19:13:42","modified_gmt":"2026-06-18T19:13:42","slug":"fisher-67cfr-troubleshooting-guide","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/vi\/fisher-67cfr-troubleshooting-guide\/","title":{"rendered":"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."},"content":{"rendered":"<h2 id=\"overview\"><a href=\"https:\/\/www.yunrui-controls.com\/vi\/brands\/fisher\/\">Fisher<\/a> T\u1ed5ng quan v\u1ec1 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh l\u1ecdc 67CFR<\/h2>\n<p><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" title=\"B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh l\u1ecdc Fisher 67CFR\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/06\/0619.png\" alt=\"Fisher 67CFR filter regulator with pressure gauge - genuine stock from YUNRUI\" \/><\/p>\n<p>C\u00e1i <a href=\"https:\/\/www.yunrui-controls.com\/vi\/products\/fisher-67c-series-instrument-supply-regulators\/\"><strong>B\u1ed9 l\u1ecdc \u0111i\u1ec1u ch\u1ec9nh Fisher 67CFR<\/strong> <\/a>\u0110\u00e2y l\u00e0 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng th\u1ea5p, v\u1eadn h\u00e0nh tr\u1ef1c ti\u1ebfp, thu\u1ed9c b\u1ed9 ph\u1eadn Fisher c\u1ee7a Emerson. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng cung c\u1ea5p kh\u00ed n\u00e9n cho thi\u1ebft b\u1ecb \u0111o, <strong>Chu\u1ed7i 67CFR<\/strong> Cung c\u1ea5p \u00e1p su\u1ea5t \u1ed5n \u0111\u1ecbnh, \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t cho c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n v\u00e0 \u0111i\u1ec7n kh\u00ed n\u00e9n, s\u00fang phun s\u01a1n, k\u1eb9p kh\u00ed n\u00e9n v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng kh\u00e1c.<\/p>\n<p>L\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m ch\u1ee7 l\u1ef1c trong kho h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c b\u1ed9 \u0111i\u1ec1u \u00e1p Fisher 67CFR ch\u00ednh h\u00e3ng t\u1eeb DN20 \u0111\u1ebfn DN50, k\u00e8m theo t\u00e0i li\u1ec7u \u0111\u1ea7y \u0111\u1ee7 v\u00e0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt v\u1ec1 l\u1ef1a ch\u1ecdn, l\u1eafp \u0111\u1eb7t v\u00e0 d\u1ecbch v\u1ee5 t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n<h3>C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh<\/h3>\n<ul>\n<li>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n kh\u00ed n\u00e9n v\u00e0 \u0111i\u1ec7n kh\u00ed n\u00e9n<\/li>\n<li>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p<\/li>\n<li>S\u00fang phun s\u01a1n v\u00e0 v\u00f2i phun kh\u00ed<\/li>\n<li>M\u00e2m c\u1eb7p kh\u00ed n\u00e9n v\u00e0 thi\u1ebft b\u1ecb k\u1eb9p<\/li>\n<li>H\u1ec7 th\u1ed1ng cung c\u1ea5p kh\u00ed n\u00e9n cho thi\u1ebft b\u1ecb n\u00f3i chung<\/li>\n<\/ul>\n<h3>Bi\u1ebfn th\u1ec3 chu\u1ed7i<\/h3>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr style=\"background: #f5f5f5;\">\n<th style=\"text-align: left;\">Lo\u1ea1t<\/th>\n<th style=\"text-align: left;\">V\u1eadt li\u1ec7u<\/th>\n<th style=\"text-align: left;\">\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<tr>\n<td>67CFR<\/td>\n<td>H\u1ee3p kim nh\u00f4m<\/td>\n<td>\u1ee8ng d\u1ee5ng kh\u00ed n\u00e9n v\u00e0 kh\u00ed \u0111\u1ed1t ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>67CFSR<\/td>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9<\/td>\n<td>M\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n, tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n NACE.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"specifications\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/h2>\n<p><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" title=\"G\u00f3c nh\u00ecn k\u1ef9 thu\u1eadt Fisher 67CFR\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/06\/06191.png\" alt=\"Fisher 67CFR pressure regulator top view showing adjustment screw and ports\" \/><\/p>\n<h3>X\u1ebfp h\u1ea1ng \u00e1p su\u1ea5t<\/h3>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr style=\"background: #f5f5f5;\">\n<th style=\"text-align: left;\">Tham s\u1ed1<\/th>\n<th style=\"text-align: left;\">Gi\u00e1 tr\u1ecb<\/th>\n<\/tr>\n<tr>\n<td>\u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o t\u1ed1i \u0111a<\/td>\n<td>250 psi<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi \u00e1p su\u1ea5t \u0111\u1ea7u ra<\/td>\n<td>T\u1eeb 0 \u0111\u1ebfn 125 psi<\/td>\n<\/tr>\n<tr>\n<td>\u00c1p su\u1ea5t v\u1eadn h\u00e0nh t\u1ed1i thi\u1ec3u<\/td>\n<td>10-15 psi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>L\u01b0u l\u01b0\u1ee3ng<\/h3>\n<p>L\u01b0u l\u01b0\u1ee3ng t\u1ed1i \u0111a: 30 Nm\u00b3\/h<\/p>\n<h3>V\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng<\/h3>\n<ul>\n<li><strong>Th\u00e2n h\u00ecnh:<\/strong> H\u1ee3p kim nh\u00f4m (67CFR) ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 (67CFSR)<\/li>\n<li><strong>L\u1ecdc:<\/strong> L\u00f5i l\u1ecdc ti\u00eau chu\u1ea9n 40 micron, t\u00f9y ch\u1ecdn 10 micron.<\/li>\n<li><strong>C\u01a1 ho\u00e0nh:<\/strong> Cao su nitrile (ti\u00eau chu\u1ea9n), FKM (d\u1ecbch v\u1ee5 NACE)<\/li>\n<li><strong>C\u1eaft t\u1ec9a:<\/strong> Thi\u1ebft k\u1ebf h\u1ed9p m\u1ef1c c\u00f3 gio\u0103ng m\u1ec1m<\/li>\n<\/ul>\n<h3>\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/h3>\n<ul>\n<li><strong>B\u1ed9 l\u1ecdc t\u00edch h\u1ee3p:<\/strong> Lo\u1ea1i b\u1ecf n\u01b0\u1edbc, d\u1ea7u v\u00e0 c\u00e1c h\u1ea1t b\u1ee5i kh\u1ecfi kh\u00f4ng kh\u00ed c\u1ea5p v\u00e0o.<\/li>\n<li><strong>Van x\u1ea3 \u00e1p b\u00ean trong:<\/strong> X\u1eed l\u00fd hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9 nh\u1ecf \u1edf gh\u1ebf ng\u1ed3i (kh\u00f4ng ph\u1ea3i ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 qu\u00e1 \u00e1p ch\u00ednh).<\/li>\n<li><strong>C\u00f4ng ngh\u1ec7 Smart Bleed\u2122:<\/strong> Kh\u00f4ng th\u1ea5t tho\u00e1t kh\u00ed trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/li>\n<li><strong>Thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn:<\/strong> Nh\u1eb9, ti\u1ebft ki\u1ec7m kh\u00f4ng gian, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng nh\u1ecf.<\/li>\n<li><strong>Tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n NACE:<\/strong> C\u00e1c m\u1eabu b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n NACE MR0175\/MR0103 cho d\u1ecbch v\u1ee5 kh\u00ed chua.<\/li>\n<\/ul>\n<h2 id=\"models\">C\u00e1c m\u00f4 h\u00ecnh ph\u1ed5 bi\u1ebfn<\/h2>\n<p><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" title=\"M\u00e1y Fisher 67CFR-600\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/06\/06192-1.png\" alt=\"Fisher 67CFR-600 filter regulator with blue port plug - original equipment\" \/><\/p>\n<p>C\u00e1i <strong>D\u00f2ng Fisher 67CFR<\/strong> Bao g\u1ed3m nhi\u1ec1u c\u1ea5u h\u00ecnh kh\u00e1c nhau. C\u00e1c m\u1eabu ph\u1ed5 bi\u1ebfn m\u00e0 ch\u00fang t\u00f4i cung c\u1ea5p bao g\u1ed3m:<\/p>\n<ul>\n<li>67CFR-224, 67CFR-225, 67CFR-226<\/li>\n<li>67CFR-235, 67CFR-237, 67CFR-239<\/li>\n<li>67CFR-600, 67CFR-601<\/li>\n<li>67CFR-585, 67CFR-581<\/li>\n<li>67CFR-24, 67CFR-26, 67CFR-38<\/li>\n<li>67CFR-206, 67CFR-362<\/li>\n<\/ul>\n<h2 id=\"troubleshooting\">H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 Fisher 67CFR<\/h2>\n<h3 id=\"symptom1\">Tri\u1ec7u ch\u1ee9ng 1: \u00c1p su\u1ea5t \u0111\u1ea7u ra b\u1eb1ng kh\u00f4ng ho\u1eb7c r\u1ea5t th\u1ea5p<\/h3>\n<h4>B\u01b0\u1edbc 1: Ki\u1ec3m tra \u00e1p su\u1ea5t ngu\u1ed3n cung c\u1ea5p<\/h4>\n<ul>\n<li>Ki\u1ec3m tra xem \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o c\u00f3 v\u01b0\u1ee3t qu\u00e1 y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u (10-15 psi) hay kh\u00f4ng.<\/li>\n<li>X\u00e1c nh\u1eadn van kh\u00f3a ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n \u0111\u00e3 m\u1edf ho\u00e0n to\u00e0n.<\/li>\n<li>Ki\u1ec3m tra xem c\u00f3 s\u1ef1 s\u1ee5t gi\u1ea3m \u00e1p su\u1ea5t ho\u1eb7c t\u1eafc ngh\u1ebdn \u1edf ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n hay kh\u00f4ng.<\/li>\n<\/ul>\n<h4>B\u01b0\u1edbc 2: V\u1ec7 sinh ho\u1eb7c thay th\u1ebf l\u00f5i l\u1ecdc<\/h4>\n<p>C\u00e1i <strong>67CFR<\/strong> T\u00edch h\u1ee3p b\u1ed9 l\u1ecdc 40 micron (t\u00f9y ch\u1ecdn 10 micron). V\u1eadt li\u1ec7u b\u1ecb nhi\u1ec5m b\u1ea9n g\u00e2y t\u1eafc ngh\u1ebdn b\u1ed9 l\u1ecdc.<\/p>\n<ol>\n<li>\u0110\u00f3ng c\u00e1c van c\u00e1ch ly \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra.<\/li>\n<li>M\u1edf van x\u1ea3 \u0111\u1ec3 gi\u1ea3m \u00e1p su\u1ea5t.<\/li>\n<li>Th\u00e1o v\u00e0 ki\u1ec3m tra b\u1ed9 l\u1ecdc.<\/li>\n<li>L\u00e0m s\u1ea1ch ho\u1eb7c thay th\u1ebf khi c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n<h4>B\u01b0\u1edbc 3: Ki\u1ec3m tra n\u00fat van v\u00e0 \u0111\u1ebf van<\/h4>\n<p>C\u00e1c v\u1eadt th\u1ec3 l\u1ea1 c\u00f3 th\u1ec3 l\u00e0m k\u1eb9t ph\u00edch c\u1eafm \u1edf v\u1ecb tr\u00ed \u0111\u00f3ng.<\/p>\n<ul>\n<li>Th\u00e1o r\u1eddi th\u00e2n van<\/li>\n<li>Lo\u1ea1i b\u1ecf c\u00e1c m\u1ea3nh v\u1ee5n kh\u1ecfi c\u00e1c \u0111\u01b0\u1eddng d\u1eabn b\u00ean trong.<\/li>\n<li>Ki\u1ec3m tra bugi v\u00e0 \u0111\u1ebf van xem c\u00f3 b\u1ecb h\u01b0 h\u1ecfng kh\u00f4ng.<\/li>\n<\/ul>\n<h3 id=\"symptom2\">Tri\u1ec7u ch\u1ee9ng 2: \u00c1p su\u1ea5t \u0111\u1ea7u ra kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c dao \u0111\u1ed9ng.<\/h3>\n<h4>B\u01b0\u1edbc 1: X\u00e1c minh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 lu\u1ed3ng<\/h4>\n<p>Bi\u1ebfn \u0111\u1ed9ng nhu c\u1ea7u h\u1ea1 l\u01b0u v\u01b0\u1ee3t qu\u00e1 c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c (30 Nm\u00b3\/h) g\u00e2y ra \u0111\u1ed9 tr\u1ec5 ph\u1ea3n h\u1ed3i \u1edf c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp.<\/p>\n<h4>B\u01b0\u1edbc 2: Ki\u1ec3m tra m\u00e0ng ng\u0103n<\/h4>\n<p>Hi\u1ec7n t\u01b0\u1ee3ng m\u1ecfi m\u00e0ng ng\u0103n ho\u1eb7c c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf g\u00e2y ra dao \u0111\u1ed9ng \u00e1p su\u1ea5t.<\/p>\n<ul>\n<li>Th\u00e1o n\u1eafp v\u1ecf l\u00f2 xo<\/li>\n<li>Ki\u1ec3m tra m\u00e0ng ng\u0103n xem c\u00f3 b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c n\u1ee9t v\u1ee1 kh\u00f4ng.<\/li>\n<li>Thay th\u1ebf c\u1ee5m m\u00e0ng ng\u0103n n\u1ebfu b\u1ecb h\u01b0 h\u1ecfng.<\/li>\n<\/ul>\n<h4>B\u01b0\u1edbc 3: Ki\u1ec3m tra c\u1ed5ng th\u00f4ng h\u01a1i<\/h4>\n<p>L\u1ed7 th\u00f4ng h\u01a1i v\u1ecf l\u00f2 xo 1\/4 NPT ph\u1ea3i lu\u00f4n th\u00f4ng tho\u00e1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e2n b\u1eb1ng \u00e1p su\u1ea5t m\u00e0ng ng\u0103n.<\/p>\n<ul>\n<li>Ki\u1ec3m tra l\u1ed7 th\u00f4ng h\u01a1i xem c\u00f3 d\u1ea7u, m\u1ee1 ho\u1eb7c b\u1ee5i b\u00e1m t\u00edch t\u1ee5 kh\u00f4ng.<\/li>\n<li>L\u00e0m s\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng b\u1eb1ng dung m\u00f4i th\u00edch h\u1ee3p.<\/li>\n<\/ul>\n<h3 id=\"symptom3\">Tri\u1ec7u ch\u1ee9ng 3: \u00c1p su\u1ea5t \u0111\u1ea7u ra v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec3m \u0111\u1eb7t (Kh\u00f4ng th\u1ec3 gi\u1ea3m)<\/h3>\n<h4>B\u01b0\u1edbc 1: Ki\u1ec3m tra l\u00f2 xo \u0111i\u1ec1u ti\u1ebft<\/h4>\n<ul>\n<li>Ki\u1ec3m tra xem l\u00f2 xo c\u00f3 b\u1ecb g\u00e3y ho\u1eb7c bi\u1ebfn d\u1ea1ng kh\u00f4ng.<\/li>\n<li>Ki\u1ec3m tra xem c\u01a1 c\u1ea5u \u0111i\u1ec1u ch\u1ec9nh tay quay c\u00f3 ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru kh\u00f4ng.<\/li>\n<li>Thay l\u00f2 xo ho\u1eb7c s\u1eeda ch\u1eefa v\u00edt \u0111i\u1ec1u ch\u1ec9nh n\u1ebfu b\u1ecb h\u1ecfng.<\/li>\n<\/ul>\n<h4>B\u01b0\u1edbc 2: Ki\u1ec3m tra xem ph\u00edch c\u1eafm c\u00f3 b\u1ecb k\u1eb9t kh\u00f4ng<\/h4>\n<p>N\u00fat c\u1eafm b\u1ecb k\u1eb9t \u1edf v\u1ecb tr\u00ed m\u1edf do b\u1ecb b\u1ea9n ho\u1eb7c th\u00e2n b\u1ecb cong.<\/p>\n<ul>\n<li>Th\u00e1o r\u1eddi v\u00e0 l\u00e0m s\u1ea1ch t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong.<\/li>\n<li>Ki\u1ec3m tra \u0111\u1ed9 th\u1eb3ng c\u1ee7a th\u00e2n b\u1eb1ng \u0111\u1ed3ng h\u1ed3 \u0111o \u0111\u1ed9 ch\u00ednh x\u00e1c<\/li>\n<li>Thay th\u1ebf c\u00e1c th\u00e2n c\u00e2y b\u1ecb cong ho\u1eb7c m\u00f2n.<\/li>\n<\/ul>\n<div style=\"background: #fff3cd; border-left: 4px solid #ffc107; padding: 15px; margin: 20px 0;\"><strong>L\u01b0u \u00fd an to\u00e0n quan tr\u1ecdng:<\/strong> Van an to\u00e0n b\u00ean trong ch\u1ec9 x\u1eed l\u00fd r\u00f2 r\u1ec9 nh\u1ecf \u1edf gio\u0103ng. N\u00f3 KH\u00d4NG \u0111\u00f3ng vai tr\u00f2 b\u1ea3o v\u1ec7 qu\u00e1 \u00e1p ch\u00ednh. H\u00e3y l\u1eafp \u0111\u1eb7t m\u1ed9t van an to\u00e0n ri\u00eang bi\u1ec7t \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o qu\u00e1 cao.<\/div>\n<h3 id=\"symptom4\">Tri\u1ec7u ch\u1ee9ng 4: R\u00f2 r\u1ec9 li\u00ean t\u1ee5c (t\u1ea1i l\u1ed7 th\u00f4ng h\u01a1i ho\u1eb7c \u0111i\u1ec3m k\u1ebft n\u1ed1i)<\/h3>\n<h4>B\u01b0\u1edbc 1: Thay th\u1ebf \u0111\u1ec7m m\u1ec1m<\/h4>\n<p>C\u00e1i <strong>67CFR<\/strong> S\u1eed d\u1ee5ng thi\u1ebft k\u1ebf h\u1ed9p m\u1ef1c c\u00f3 gio\u0103ng m\u1ec1m. V\u1eadn h\u00e0nh l\u00e2u d\u00e0i g\u00e2y m\u00f2n gio\u0103ng.<\/p>\n<ul>\n<li>Thay th\u1ebf to\u00e0n b\u1ed9 c\u1ee5m h\u1ed9p m\u1ef1c ph\u00edch c\u1eafm<\/li>\n<li>Kh\u00f4ng c\u1ea7n ph\u1ea3i x\u1ebfp h\u00e0ng ri\u00eang cho t\u1eebng ng\u01b0\u1eddi.<\/li>\n<\/ul>\n<h4>B\u01b0\u1edbc 2: Ki\u1ec3m tra c\u00e1c k\u1ebft n\u1ed1i \u0111a lu\u1ed3ng<\/h4>\n<ul>\n<li>B\u00f4i dung d\u1ecbch x\u00e0 ph\u00f2ng l\u00ean t\u1ea5t c\u1ea3 c\u00e1c m\u1ed1i n\u1ed1i 1\/4 NPT.<\/li>\n<li>Si\u1ebft ch\u1eb7t ho\u1eb7c b\u1ecbt k\u00edn l\u1ea1i b\u1eb1ng b\u0103ng keo PTFE n\u1ebfu c\u1ea7n.<\/li>\n<\/ul>\n<h4>B\u01b0\u1edbc 3: Ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Smart Bleed\u2122<\/h4>\n<p>C\u00e1c m\u1eabu Smart Bleed s\u1ebd x\u1ea3 kh\u00ed nh\u1eb9 khi \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi \u00e1p su\u1ea5t \u0111\u1ea7u ra. Vi\u1ec7c x\u1ea3 kh\u00ed li\u00ean t\u1ee5c \u1edf \u00e1p su\u1ea5t b\u00ecnh th\u01b0\u1eddng cho th\u1ea5y gio\u0103ng van x\u1ea3 b\u00ean trong b\u1ecb h\u01b0 h\u1ecfng.<\/p>\n<h2 id=\"checklist\">Danh s\u00e1ch ki\u1ec3m tra ch\u1ea9n \u0111o\u00e1n nhanh<\/h2>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr style=\"background: #f5f5f5;\">\n<th style=\"text-align: left;\">Tri\u1ec7u ch\u1ee9ng l\u1ed7i<\/th>\n<th style=\"text-align: left;\">Nguy\u00ean nh\u00e2n c\u00f3 kh\u1ea3 n\u0103ng nh\u1ea5t<\/th>\n<th style=\"text-align: left;\">H\u00e0nh \u0111\u1ed9ng nhanh ch\u00f3ng<\/th>\n<\/tr>\n<tr>\n<td>\u00c1p su\u1ea5t \u0111\u1ea7u ra b\u1eb1ng kh\u00f4ng<\/td>\n<td>B\u1ed9 l\u1ecdc b\u1ecb t\u1eafc \/ \u00c1p su\u1ea5t ngu\u1ed3n th\u1ea5p<\/td>\n<td>V\u1ec7 sinh\/thay th\u1ebf b\u1ed9 l\u1ecdc, \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t \u0111\u1ea7u v\u00e0o.<\/td>\n<\/tr>\n<tr>\n<td>Bi\u1ebfn \u0111\u1ed9ng \u00e1p su\u1ea5t<\/td>\n<td>N\u1ee9t m\u00e0ng ng\u0103n \/ L\u1ed7 th\u00f4ng h\u01a1i b\u1ecb t\u1eafc<\/td>\n<td>L\u00e0m s\u1ea1ch l\u1ed7 th\u00f4ng h\u01a1i, thay m\u00e0ng ng\u0103n.<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f4ng th\u1ec3 gi\u1ea3m \u00e1p su\u1ea5t<\/td>\n<td>B\u1ecb k\u1eb9t ph\u00edch c\u1eafm \/ L\u00f2 xo b\u1ecb h\u1ecfng<\/td>\n<td>Th\u00e1o r\u1eddi v\u00e0 v\u1ec7 sinh, thay l\u00f2 xo.<\/td>\n<\/tr>\n<tr>\n<td>R\u00f2 r\u1ec9 l\u1ed7 th\u00f4ng h\u01a1i li\u00ean t\u1ee5c<\/td>\n<td>Gh\u1ebf m\u1ec1m \u0111\u00e3 c\u0169<\/td>\n<td>Thay th\u1ebf c\u1ee5m h\u1ed9p m\u1ef1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"maintenance\">Quy tr\u00ecnh b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa<\/h2>\n<h3>Bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba an to\u00e0n<\/h3>\n<ol>\n<li>\u0110\u00f3ng c\u00e1c van c\u00e1ch ly th\u01b0\u1ee3ng ngu\u1ed3n v\u00e0 h\u1ea1 ngu\u1ed3n<\/li>\n<li>M\u1edf van x\u1ea3 \u0111\u1ec3 gi\u1ea3m \u00e1p su\u1ea5t ho\u00e0n to\u00e0n.<\/li>\n<li>X\u00e1c nh\u1eadn \u00e1p su\u1ea5t b\u1eb1ng kh\u00f4ng tr\u01b0\u1edbc khi th\u00e1o r\u1eddi<\/li>\n<li>Kh\u00f4ng bao gi\u1edd b\u1ea3o d\u01b0\u1ee1ng khi \u0111ang ch\u1ecbu \u00e1p l\u1ef1c.<\/li>\n<\/ol>\n<h2 id=\"spare-parts\">Ph\u1ee5 t\u00f9ng &amp; Thay th\u1ebf<\/h2>\n<p><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" title=\"Th\u00f4ng tin chi ti\u1ebft k\u1ebft n\u1ed1i Fisher 67CFR\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/06\/06193.png\" alt=\"Fisher 67CFR-600 regulator showing inlet\/outlet connections\" \/><\/p>\n<h3>Ph\u1ee5 t\u00f9ng thay th\u1ebf \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/h3>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr style=\"background: #f5f5f5;\">\n<th style=\"text-align: left;\">M\u00f4 t\u1ea3 b\u1ed9 ph\u1eadn<\/th>\n<th style=\"text-align: left;\">M\u00e3 s\u1ed1 linh ki\u1ec7n<\/th>\n<th style=\"text-align: left;\">\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<tr>\n<td>M\u00e0ng nitrile<\/td>\n<td>10B8735X012<\/td>\n<td>D\u1ecbch v\u1ee5 kh\u00ed n\u00e9n\/nit\u01a1 ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>V\u00f2ng \u0111\u1ec7m O-ring cho th\u00e2n<\/td>\n<td>1D687506992<\/td>\n<td>T\u1ea5t c\u1ea3 c\u00e1c m\u1eabu<\/td>\n<\/tr>\n<tr>\n<td>V\u00f2ng \u0111\u1ec7m O-ring c\u1ee7a khoang m\u00e0ng ng\u0103n<\/td>\n<td>17A2325X022<\/td>\n<td>T\u1ea5t c\u1ea3 c\u00e1c m\u1eabu<\/td>\n<\/tr>\n<tr>\n<td>C\u1ee5m h\u1ed9p m\u1ef1c c\u1eafm<\/td>\n<td>RDXCNTRM142<\/td>\n<td>67CFR-224\/225\/226\/237\/239<\/td>\n<\/tr>\n<tr>\n<td>L\u00f2 xo \u0111i\u1ec1u ch\u1ec9nh (0-60 psi)<\/td>\n<td>12A8818X012<\/td>\n<td>C\u00e1c m\u1eabu ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 d\u1ee5ng c\u1ee5 s\u1eeda ch\u1eefa (c\u00e1c b\u1ed9 ph\u1eadn m\u1ec1m)<\/td>\n<td>RPACKX00042<\/td>\n<td>C\u00e1c m\u1eabu 1\/4 NPT<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"background: #d1ecf1; border-left: 4px solid #17a2b8; padding: 15px; margin: 20px 0;\"><strong>Ghi ch\u00fa d\u1ecbch v\u1ee5 c\u1ee7a NACE:<\/strong> C\u00e1c m\u1eabu th\u00e9p kh\u00f4ng g\u1ec9 (d\u00f2ng 67CFSR) y\u00eau c\u1ea7u c\u00e1c b\u1ed9 ph\u1eadn thay th\u1ebf b\u1eb1ng FKM (fluorocarbon) \u0111\u1ec3 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n kh\u00ed chua NACE MR0175. C\u00e1c b\u1ed9 ph\u1eadn nitrile ti\u00eau chu\u1ea9n s\u1ebd b\u1ecb xu\u1ed1ng c\u1ea5p nhanh ch\u00f3ng trong m\u00f4i tr\u01b0\u1eddng axit.<\/div>\n<h2 id=\"calibration\">Quy tr\u00ecnh hi\u1ec7u chu\u1ea9n<\/h2>\n<ol>\n<li>K\u1ebft n\u1ed1i ngu\u1ed3n \u00e1p su\u1ea5t ti\u00eau chu\u1ea9n v\u00e0 \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c 0,2% v\u1edbi \u0111\u1ea7u ra.<\/li>\n<li>Xoay tay h\u1ebft c\u1ee1 ng\u01b0\u1ee3c chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 \u0111\u1ec3 nh\u1ea3 l\u1ef1c l\u00f2 xo.<\/li>\n<li>D\u1ea7n d\u1ea7n m\u1edf ngu\u1ed3n cung c\u1ea5p th\u01b0\u1ee3ng ngu\u1ed3n.<\/li>\n<li>Xoay n\u00fam \u0111i\u1ec1u ch\u1ec9nh theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 t\u1eeb 3 \u0111\u1ebfn 5 b\u01b0\u1edbc trong ph\u1ea1m vi \u0111\u00e3 ch\u1ecdn.<\/li>\n<li>Ghi l\u1ea1i \u00e1p su\u1ea5t th\u1ef1c t\u1ebf so v\u1edbi \u00e1p su\u1ea5t c\u00e0i \u0111\u1eb7t t\u1ea1i m\u1ed7i \u0111i\u1ec3m.<\/li>\n<li>\u0110i\u1ec1u ch\u1ec9nh h\u00e0nh tr\u00ecnh c\u1ee7a th\u00e2n c\u1ea7n n\u1ebfu \u0111\u1ed9 l\u1ec7ch v\u01b0\u1ee3t qu\u00e1 m\u1ee9c cho ph\u00e9p.<\/li>\n<li>Ki\u1ec3m tra \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh b\u1eb1ng c\u00e1ch l\u1eb7p l\u1ea1i chu k\u1ef3 2-3 l\u1ea7n.<\/li>\n<li>Sau khi ho\u00e0n th\u00e0nh, h\u00e3y b\u1ecbt k\u00edn c\u00e1c l\u1ed7 th\u00f4ng h\u01a1i kh\u00f4ng s\u1eed d\u1ee5ng.<\/li>\n<\/ol>\n<h2 id=\"related\">B\u00e0i \u0111\u1ecdc li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/ms\/fisher-67cfr-and-67cfsr-filter-regulators\/\">B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t l\u1ecdc Fisher 67CFR v\u00e0 67CFSR: Gi\u1ea3i ph\u00e1p cung c\u1ea5p kh\u00ed n\u00e9n hi\u1ec7u su\u1ea5t cao<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-67cfr-239-sb-filter-regulator\/\">B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t l\u1ecdc Fisher 67CFR-239\/SB \u2014 H\u01b0\u1edbng d\u1eabn v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ea7y \u0111\u1ee7<\/a><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-dvc6200-dvc2000-feedback-troubleshooting\/\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i Fisher DVC6200\/DVC2000: 3 v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 gi\u1ea3i ph\u00e1p.<\/a><\/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><\/li>\n<li><a href=\"https:\/\/www.yunrui-controls.com\/vi\/endresshauser-cerabar-pmp71b-pressure-transmitter\/\">B\u1ed9 truy\u1ec1n \u00e1p su\u1ea5t Endress+Hauser Cerabar PMP71B: Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 nh\u1ecbp tim<\/a><\/li>\n<\/ul>\n<h2 id=\"support\">H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt<\/h2>\n<p><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" title=\"H\u00e0ng ch\u00ednh h\u00e3ng Fisher 67CFR\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/06\/06194-1.png\" alt=\"Genuine Fisher 67CFR-239 filter regulators in original packaging - YUNRUI stock\" \/><\/p>\n<p><strong>\u0110\u1ec3 mua b\u1ed9 \u0111i\u1ec1u \u00e1p Fisher 67CFR ch\u00ednh h\u00e3ng, ph\u1ee5 t\u00f9ng thay th\u1ebf v\u00e0 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt:<\/strong><\/p>\n<p>E-mail: <a href=\"mailto:sales@yunrui-controls.com\">sales@yunrui-controls.com<\/a><br \/>\nWhatsApp: <a href=\"https:\/\/wa.me\/8618710784030\">18710784030<\/a><\/p>\n<p>Nh\u00f3m c\u1ee7a ch\u00fang t\u00f4i cung c\u1ea5p h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt \u1ee9ng d\u1ee5ng cho <a href=\"https:\/\/www.yunrui-controls.com\/vi\/products\/fisher-67c-series-instrument-supply-regulators\/\">Fisher 67CFR<\/a> L\u1ef1a ch\u1ecdn, l\u1eafp \u0111\u1eb7t v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng tr\u00ean th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf.<\/p>","protected":false},"excerpt":{"rendered":"<p>Fisher 67CFR Filter Regulator Overview The Fisher 67CFR filter regulator is a direct-operated, low-flow pressure reducing regulator from Emerson\u2019s Fisher division. Designed for instrument air supply applications, the 67CFR series provides stable, controlled pressure for pneumatic and electro-pneumatic controllers, spray guns, pneumatic clamps, and other instrumentation systems. As a core product in our inventory, we [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8462,"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-8455","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 67CFR Filter Regulator Troubleshooting<\/title>\n<meta name=\"description\" content=\"Complete Fisher 67CFR troubleshooting guide. Fix zero pressure, fluctuation, and leakage issues. OEM spare parts available.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.yunrui-controls.com\/vi\/fisher-67cfr-troubleshooting-guide\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fisher 67CFR Filter Regulator: Complete Troubleshooting, Repair &amp; Parts Guide\" \/>\n<meta property=\"og:description\" content=\"Complete Fisher 67CFR troubleshooting guide. Fix zero pressure, fluctuation, and leakage issues. 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