{"id":7572,"date":"2026-04-05T16:40:55","date_gmt":"2026-04-05T16:40:55","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?post_type=products&#038;p=7572"},"modified":"2026-04-05T16:42:13","modified_gmt":"2026-04-05T16:42:13","slug":"fisher-377-pressure-sensing-trip-valve","status":"publish","type":"products","link":"https:\/\/www.yunrui-controls.com\/vi\/products\/fisher-377-pressure-sensing-trip-valve\/","title":{"rendered":"Van an to\u00e0n c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t Fisher 377 | Gi\u1ea3i ph\u00e1p an to\u00e0n cho quy tr\u00ecnh quan tr\u1ecdng | Nh\u00e0 cung c\u1ea5p Fisher"},"content":{"rendered":"<h2 data-path-to-node=\"3\">\u01afu \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i<\/h2>\n<ul data-path-to-node=\"4\">\n<li>\n<p data-path-to-node=\"4,0,0\">Logic an to\u00e0n t\u00edch h\u1ee3p: Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c h\u1ec7 th\u1ed1ng c\u0169 y\u00eau c\u1ea7u ba van chuy\u1ec3n m\u1ea1ch ri\u00eang bi\u1ec7t, m\u1ed9t thi\u1ebft b\u1ecb Fisher 377 duy nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh cho b\u1ea5t k\u1ef3 ch\u1ebf \u0111\u1ed9 l\u1ed7i ch\u00ednh n\u00e0o trong ba ch\u1ebf \u0111\u1ed9. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m chi ph\u00ed ph\u1ea7n c\u1ee9ng, \u0111\u01a1n gi\u1ea3n h\u00f3a \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ed1 l\u01b0\u1ee3ng \u0111i\u1ec3m r\u00f2 r\u1ec9 ti\u1ec1m \u1ea9n trong h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,1,0\">Chuy\u1ec3n \u0111\u1ed5i ch\u1ebf \u0111\u1ed9 l\u1ed7i \u0111a n\u0103ng: C\u00f9ng m\u1ed9t th\u00e2n van c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng khi g\u1eb7p s\u1ef1 c\u1ed1 (Fail-Up), ch\u1ebf \u0111\u1ed9 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng khi g\u1eb7p s\u1ef1 c\u1ed1 (Fail-Down) ho\u1eb7c ch\u1ebf \u0111\u1ed9 kh\u00f3a \u1edf v\u1ecb tr\u00ed cu\u1ed1i c\u00f9ng (Lock-in-Last-Position). Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c ch\u1ebf \u0111\u1ed9 n\u00e0y ch\u1ec9 c\u1ea7n nh\u1eefng thay \u0111\u1ed5i nh\u1ecf \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ebft n\u1ed1i \u1ed1ng d\u1eabn b\u00ean ngo\u00e0i, cho ph\u00e9p b\u1ea1n chu\u1ea9n h\u00f3a m\u1ed9t b\u1ed9 ph\u1eadn duy nh\u1ea5t cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,2,0\">\u0110i\u1ec3m k\u00edch ho\u1ea1t ch\u00ednh x\u00e1c: \u0110i\u1ec3m k\u00edch ho\u1ea1t ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh, cho ph\u00e9p b\u1ea1n thi\u1ebft l\u1eadp \u00e1p su\u1ea5t ch\u00ednh x\u00e1c m\u00e0 t\u1ea1i \u0111\u00f3 c\u01a1 ch\u1ebf an to\u00e0n \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o van ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng khi ngu\u1ed3n cung c\u1ea5p th\u1ef1c s\u1ef1 b\u1ecb gi\u00e1n \u0111o\u1ea1n, ng\u0103n ng\u1eeba c\u00e1c l\u1ea7n k\u00edch ho\u1ea1t kh\u00f4ng c\u1ea7n thi\u1ebft trong tr\u01b0\u1eddng h\u1ee3p \u00e1p su\u1ea5t gi\u1ea3m nh\u1eb9.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,3,0\">C\u1ea5u tr\u00fac b\u00ean trong hi\u1ec7u qu\u1ea3 cao: Van 377 s\u1eed d\u1ee5ng di\u1ec7n t\u00edch m\u00e0ng ng\u0103n l\u1edbn v\u00e0 thi\u1ebft k\u1ebf t\u1ed1i gi\u1ea3n v\u1edbi \u00edt b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o van ph\u1ea3n \u1ee9ng t\u1ee9c th\u00ec v\u1edbi l\u1ef1c m\u1ea1nh khi \u0111\u1ea1t \u0111\u1ebfn \u0111i\u1ec3m k\u00edch ho\u1ea1t, \u0111\u1ed3ng th\u1eddi k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 gi\u1ea3m y\u00eau c\u1ea7u b\u1ea3o tr\u00ec.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,4,0\">T\u1ef1 \u0111\u1ed9ng thi\u1ebft l\u1eadp l\u1ea1i: Khi \u00e1p su\u1ea5t ngu\u1ed3n t\u0103ng tr\u1edf l\u1ea1i tr\u00ean \u0111i\u1ec3m k\u00edch ho\u1ea1t (c\u1ed9ng th\u00eam m\u1ed9t kho\u1ea3ng ch\u1ebft nh\u1ecf \u0111\u1ec3 ng\u0103n ng\u1eeba rung gi\u1eadt), thi\u1ebft b\u1ecb 377 s\u1ebd t\u1ef1 \u0111\u1ed9ng thi\u1ebft l\u1eadp l\u1ea1i, \u0111\u01b0a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng tr\u1edf l\u1ea1i ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u00ecnh th\u01b0\u1eddng m\u00e0 kh\u00f4ng c\u1ea7n can thi\u1ec7p th\u1ee7 c\u00f4ng.<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"5\" \/>\n<h3 data-path-to-node=\"6\">C\u1ed1t l\u00f5i k\u1ef9 thu\u1eadt<\/h3>\n<table data-path-to-node=\"7\">\n<thead>\n<tr>\n<td><strong>T\u00ednh n\u0103ng<\/strong><\/td>\n<td><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \/ Chi ti\u1ebft<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"7,1,0,0\">C\u00e1c ch\u1ebf \u0111\u1ed9 l\u1ed7i<\/span><\/td>\n<td><span data-path-to-node=\"7,1,1,0\">N\u00e2ng c\u1ea5p khi th\u1ea5t b\u1ea1i, h\u1ea1 c\u1ea5p khi th\u1ea5t b\u1ea1i, ho\u1eb7c kh\u00f3a \u1edf v\u1ecb tr\u00ed cu\u1ed1i c\u00f9ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,2,0,0\">Ph\u1ea1m vi \u0111i\u1ec3m chuy\u1ebfn \u0111i<\/span><\/td>\n<td><span data-path-to-node=\"7,2,1,0\">C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t t\u1eeb 1,4 \u0111\u1ebfn 4,1 bar (20 \u0111\u1ebfn 60 psig)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,3,0,0\">\u00c1p su\u1ea5t cung c\u1ea5p t\u1ed1i \u0111a<\/span><\/td>\n<td><span data-path-to-node=\"7,3,1,0\">10,3 bar (150 psig)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,4,0,0\">L\u01b0u l\u01b0\u1ee3ng<\/span><\/td>\n<td><span data-path-to-node=\"7,4,1,0\">C\u00e1c c\u1ed5ng l\u01b0u l\u01b0\u1ee3ng cao \u0111\u1ea3m b\u1ea3o ph\u1ea3n h\u1ed3i nhanh ch\u00f3ng c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,5,0,0\">Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9<\/span><\/td>\n<td><span data-path-to-node=\"7,5,1,0\">Ti\u00eau chu\u1ea9n: -40 \u0111\u1ebfn 82\u00b0C (-40 \u0111\u1ebfn 180\u00b0F)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,6,0,0\">S\u1ef1 thi c\u00f4ng<\/span><\/td>\n<td><span data-path-to-node=\"7,6,1,0\">T\u00f9y ch\u1ecdn v\u1ecf b\u1eb1ng nh\u00f4m ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,7,0,0\">Ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng<\/span><\/td>\n<td><span data-path-to-node=\"7,7,1,0\">Kh\u00f4ng kh\u00ed ho\u1eb7c Kh\u00ed t\u1ef1 nhi\u00ean ng\u1ecdt<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr data-path-to-node=\"8\" \/>\n<h4 data-path-to-node=\"9\">\u1ee8ng d\u1ee5ng v\u00e0 c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p<\/h4>\n<p data-path-to-node=\"10\">M\u00e3 s\u1ed1 377 l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n cho b\u1ea5t k\u1ef3 v\u00f2ng \u0111i\u1ec1u khi\u1ec3n n\u00e0o y\u00eau c\u1ea7u tr\u1ea1ng th\u00e1i an to\u00e0n trong tr\u01b0\u1eddng h\u1ee3p m\u1ea5t \u0111i\u1ec7n ho\u1eb7c m\u1ea5t kh\u00ed.<\/p>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\">S\u1ea3n xu\u1ea5t d\u1ea7u kh\u00ed: \u0110\u1ea3m b\u1ea3o c\u00e1c van ng\u1eaft kh\u1ea9n c\u1ea5p (ESD) \u0111\u00f3ng ho\u1eb7c kh\u00f3a t\u1ea1i ch\u1ed7 n\u1ebfu m\u00e1y n\u00e9n ho\u1eb7c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed b\u1ecb h\u1ecfng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\">L\u1ecdc d\u1ea7u v\u00e0 h\u00f3a ch\u1ea5t: B\u1ea3o v\u1ec7 c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng trong quy tr\u00ecnh c\u00f3 gi\u00e1 tr\u1ecb cao b\u1eb1ng c\u00e1ch \u0111\u01b0a c\u00e1c van \u0111i\u1ec1u khi\u1ec3n v\u1ec1 v\u1ecb tr\u00ed an to\u00e0n c\u1ee5 th\u1ec3 \u0111\u1ec3 ng\u0103n ng\u1eeba qu\u00e1 \u00e1p ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng t\u0103ng nhi\u1ec7t \u0111\u1ed9t ng\u1ed9t.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,2,0\">Ph\u00e1t \u0111i\u1ec7n: Qu\u1ea3n l\u00fd c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p h\u01a1i n\u01b0\u1edbc ho\u1eb7c n\u01b0\u1edbc, trong \u0111\u00f3 vi\u1ec7c m\u1ea5t t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng tuabin.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,3,0\">\u0110\u01b0\u1eddng \u1ed1ng t\u1eeb xa: S\u1eed d\u1ee5ng kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng thi\u1ebft l\u1eadp l\u1ea1i \u0111\u1ec3 kh\u00f4i ph\u1ee5c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng t\u1ea1i c\u00e1c tr\u1ea1m kh\u00f4ng ng\u01b0\u1eddi l\u00e1i sau khi \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c.<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"12\" \/>\n<h5 data-path-to-node=\"13\">C\u00f4ng ty TNHH Th\u01b0\u01a1ng m\u1ea1i Xi&#039;an Yunrui - H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt<\/h5>\n<p data-path-to-node=\"14\">C\u00f4ng ty TNHH Th\u01b0\u01a1ng m\u1ea1i Xi&#039;an Yunrui l\u00e0 nh\u00e0 cung c\u1ea5p ch\u00ednh c\u00e1c s\u1ea3n ph\u1ea9m mang th\u01b0\u01a1ng hi\u1ec7u Fisher. Ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p t\u1ef1 \u0111\u1ed9ng h\u00f3a Emerson ch\u00ednh h\u00e3ng, hi\u1ec7u qu\u1ea3 cao cho kh\u00e1ch h\u00e0ng c\u00f4ng nghi\u1ec7p. B\u00ean c\u1ea1nh vi\u1ec7c cung c\u1ea5p c\u00e1c ph\u1ea7n c\u1ee9ng c\u1ed1t l\u00f5i nh\u01b0 van \u0111i\u1ec1u khi\u1ec3n 377, ch\u00fang t\u00f4i t\u1eadn d\u1ee5ng chuy\u00ean m\u00f4n k\u1ef9 thu\u1eadt s\u00e2u r\u1ed9ng \u0111\u1ec3 cung c\u1ea5p h\u1ed7 tr\u1ee3 chuy\u00ean nghi\u1ec7p v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn m\u00f4 h\u00ecnh cho c\u00e1c d\u1ef1 \u00e1n mua s\u1eafm v\u00e0 k\u1ef9 thu\u1eadt. B\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a chu\u1ed7i cung \u1ee9ng, ch\u00fang t\u00f4i mang l\u1ea1i l\u1ee3i th\u1ebf c\u1ea1nh tranh v\u1ec1 gi\u00e1 c\u1ea3, \u0111\u1ea3m b\u1ea3o cung c\u1ea5p m\u1ee9c gi\u00e1 cao nh\u1ea5t \u0111\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n<p data-path-to-node=\"15\">N\u1ebfu b\u1ea1n hi\u1ec7n \u0111ang thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng v\u00f2ng l\u1eb7p an to\u00e0n v\u00e0 c\u1ea7n x\u00e1c minh s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1eddng \u1ed1ng cho c\u1ea5u h\u00ecnh Kh\u00f3a \u1edf v\u1ecb tr\u00ed cu\u1ed1i c\u00f9ng (Lock-in-Last-Position), ho\u1eb7c n\u1ebfu b\u1ea1n c\u1ea7n t\u00ecm ngu\u1ed3n cung c\u1ea5p c\u00e1c phi\u00ean b\u1ea3n tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n NACE cho d\u1ecbch v\u1ee5 kh\u00ed chua, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi nh\u00f3m k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i.<\/p>","protected":false},"excerpt":{"rendered":"<p>The Fisher 377 is a high-performance pneumatic trip valve designed to provide a predictable, safe response when your instrument supply pressure fails. Think of it as the brain of your actuator&#8217;s fail-safe system: it monitors the supply pressure and, if it drops below a specific threshold, it instantly triggers a pre-defined safety action.<\/p>","protected":false},"author":1,"featured_media":7573,"parent":0,"menu_order":29,"comment_status":"open","ping_status":"open","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":""},"tags":[336],"brands":[162,112],"model_series":[],"industries":[54,57,53,55,59],"product_cat":[122,258],"class_list":["post-7572","products","type-products","status-publish","format-standard","has-post-thumbnail","hentry","tag-fisher-supplier","brands-controllers-and-instruments","brands-fisher","industries-chemical-petrochemical","industries-food-beverage","industries-oil-gas","industries-power-generation","industries-water-wastewater","product_cat-control-valves-actuators","product_cat-controllers-and-instruments"],"acf":{"area_classification":"","certifications":"ATEX, CUTR","communication_protocol":"","data_interface":"","diagnostics":"No","input_signal":"Pneumatic","max_outlet_pressure":"150 psig","mounting_type":"Actuator Mount","operating_temperature":"Standard Temperature, High Temperature","position_control":"On\/Off","process_control":"","power_source":"","supply_media":"Air, Natural Gas","other_configurations":"Please contact us for other specifications or options for this product.","datasheet":7574},"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 377 Pressure-Sensing Trip Valve | Fisher Supplier | Genuine Emerson<\/title>\n<meta name=\"description\" content=\"Fisher 377 pressure-sensing trip valve from Yunrui Fisher supplier - 100% genuine Emerson, competitive price. 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