{"id":7588,"date":"2026-04-05T17:29:05","date_gmt":"2026-04-05T17:29:05","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?post_type=products&#038;p=7588"},"modified":"2026-04-05T17:30:40","modified_gmt":"2026-04-05T17:30:40","slug":"fisher-4660-pneumatic-high-low-pressure-pilot","status":"publish","type":"products","link":"https:\/\/www.yunrui-controls.com\/vi\/products\/fisher-4660-pneumatic-high-low-pressure-pilot\/","title":{"rendered":"Van \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t cao\/th\u1ea5p kh\u00ed n\u00e9n Fisher 4660 | Nh\u00e0 cung c\u1ea5p Fisher | C\u00f3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a 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\">\u0110\u1ed9 tin c\u1eady c\u1ee7a c\u01a1 ch\u1ebf kh\u00f3a v\u00e0 x\u1ea3: Tr\u00e1i tim c\u1ee7a van 4660 l\u00e0 m\u1ed9t c\u1ee5m r\u01a1le chuy\u00ean d\u1ee5ng. Trong tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra s\u1ef1 c\u1ed1, n\u00f3 kh\u00f4ng ch\u1ec9 d\u1eebng d\u00f2ng ch\u1ea3y m\u00e0 c\u00f2n ch\u1ee7 \u0111\u1ed9ng x\u1ea3 \u00e1p su\u1ea5t ph\u00eda h\u1ea1 l\u01b0u xu\u1ed1ng b\u1eb1ng kh\u00f4ng, \u0111\u1ea3m b\u1ea3o van an to\u00e0n \u0111\u00f3ng ngay l\u1eadp t\u1ee9c v\u00e0 ho\u00e0n to\u00e0n.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,1,0\">\u0110\u1ed9 ch\u00ednh x\u00e1c \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n: \u0110\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n h\u00e0ng h\u1ea3i v\u00e0 ngo\u00e0i kh\u01a1i nghi\u00eam ng\u1eb7t, c\u1ee5 th\u1ec3 l\u00e0 API RP14C v\u00e0 OCS Order No. 5. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n cho c\u00e1c m\u00f4i tr\u01b0\u1eddng d\u1ea7u kh\u00ed c\u00f3 r\u1ee7i ro cao.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,2,0\">Kh\u1ea3 n\u0103ng ch\u1ed1ng rung: M\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 rung cao nh\u01b0 gi\u00e0n m\u00e1y n\u00e9n kh\u00ed c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ng\u1eaft m\u1ea1ch kh\u00f4ng c\u1ea7n thi\u1ebft \u1edf c\u00e1c thi\u1ebft b\u1ecb k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng h\u01a1n. Thi\u1ebft b\u1ecb 4660 s\u1eed d\u1ee5ng b\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn \u1ed1ng Bourdon ch\u1eafc ch\u1eafn k\u1ebft h\u1ee3p v\u1edbi c\u00e1c \u0111i\u1ec3m chuy\u1ec3n m\u1ea1ch gi\u1ea3m ch\u1ea5n \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc n\u00e0y.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,3,0\">\u0110i\u1ec1u ch\u1ec9nh kh\u00f4ng t\u01b0\u01a1ng t\u00e1c: Kh\u00f4ng gi\u1ed1ng nh\u01b0 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111o \u0111\u1ed9 cao c\u00f3 hai \u0111i\u1ec3m c\u00e0i \u0111\u1eb7t, n\u01a1i vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec3m cao v\u00f4 t\u00ecnh l\u00e0m thay \u0111\u1ed5i \u0111i\u1ec3m th\u1ea5p, thi\u1ebft b\u1ecb 4660 c\u00f3 t\u00ednh n\u0103ng \u0111i\u1ec1u ch\u1ec9nh kh\u00f4ng t\u01b0\u01a1ng t\u00e1c v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao. B\u1ea1n c\u00f3 th\u1ec3 kh\u00f3a c\u00e1c c\u00e0i \u0111\u1eb7t c\u1ee7a m\u00ecnh sau khi \u0111\u00e3 \u0111i\u1ec1u ch\u1ec9nh xong.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,4,0\">C\u00e1c l\u1ef1a ch\u1ecdn cho d\u1ecbch v\u1ee5 \u0103n m\u00f2n: \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00ed chua (H2S), c\u00f3 s\u1eb5n \u1ed1ng Bourdon h\u1ee3p kim niken N05500 chuy\u00ean d\u1ee5ng \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n NACE MR0175-2002.<\/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\">Ph\u1ea7n t\u1eed c\u1ea3m bi\u1ebfn<\/span><\/td>\n<td><span data-path-to-node=\"7,1,1,0\">\u1ed0ng Bourdon (Ti\u00eau chu\u1ea9n ho\u1eb7c h\u1ee3p kim niken N05500)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,2,0,0\">T\u00edn hi\u1ec7u \u0111\u1ea7u ra<\/span><\/td>\n<td><span data-path-to-node=\"7,2,1,0\">0 ho\u1eb7c \u00c1p su\u1ea5t c\u1ea5p t\u1ed1i \u0111a<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,3,0,0\">\u00c1p su\u1ea5t cung c\u1ea5p<\/span><\/td>\n<td><span data-path-to-node=\"7,3,1,0\">1,4 \u0111\u1ebfn 4,5 bar (20 \u0111\u1ebfn 65 psig)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,4,0,0\">Ph\u1ea1m vi \u00e1p su\u1ea5t<\/span><\/td>\n<td><span data-path-to-node=\"7,4,1,0\">C\u00e1c t\u00f9y ch\u1ecdn \u00e1p su\u1ea5t t\u1eeb 0,5 bar \u0111\u1ebfn 690 bar (7 \u0111\u1ebfn 10.000 psig)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,5,0,0\">Kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i<\/span><\/td>\n<td><span data-path-to-node=\"7,5,1,0\">+\/-1% c\u1ee7a th\u00f4ng s\u1ed1 \u1ed1ng Bourdon<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,6,0,0\">Thi\u1ebft k\u1ebf m\u00f4-\u0111un<\/span><\/td>\n<td><span data-path-to-node=\"7,6,1,0\">B\u1ed9 ph\u1ee5 t\u00f9ng \u0111\u00f3ng g\u00f3i s\u1eb5n \u0111\u1ec3 b\u1ea3o tr\u00ec t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,7,0,0\">Ch\u1ee9ng ch\u1ec9<\/span><\/td>\n<td><span data-path-to-node=\"7,7,1,0\">Tu\u00e2n th\u1ee7 API RP14C<\/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\">B\u1ed9 c\u1ea3m bi\u1ebfn 4660 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c v\u00f2ng an to\u00e0n giai \u0111o\u1ea1n 1, n\u01a1i m\u00e0 c\u01a1 ch\u1ebf an to\u00e0n c\u01a1 kh\u00ed \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n (ho\u1eb7c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi) c\u00e1c c\u1ea3m bi\u1ebfn \u0111i\u1ec7n t\u1eed.<\/p>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\">Gi\u00e0n khoan ngo\u00e0i kh\u01a1i: Gi\u00e1m s\u00e1t \u00e1p su\u1ea5t \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn \u0111\u1ec3 ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng qu\u00e1 \u00e1p trong c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\">Tr\u1ea1m n\u00e9n kh\u00ed: Cung c\u1ea5p h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 \u00e1p su\u1ea5t cao cho m\u00e1y n\u00e9n kh\u00ed ki\u1ec3u piston v\u00e0 ly t\u00e2m.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,2,0\">B\u1ed3n ch\u1ee9a s\u1ea3n xu\u1ea5t: Ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t van \u0111i\u1ec1u ti\u1ebft m\u1ee9c cao\/th\u1ea5p ho\u1eb7c \u00e1p su\u1ea5t cho c\u00e1c thi\u1ebft b\u1ecb t\u00e1ch v\u00e0 x\u1eed l\u00fd.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,3,0\">Gi\u1ebfng khoan t\u1eeb xa: S\u1eed d\u1ee5ng nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n b\u1eb1ng kh\u00ed n\u00e9n \u1edf nh\u1eefng khu v\u1ef1c kh\u00f4ng c\u00f3 \u0111i\u1ec7n ho\u1eb7c nguy hi\u1ec3m do ngu\u1ed3n \u0111i\u1ec7n.<\/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 th\u01b0\u01a1ng hi\u1ec7u Fisher, cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c gi\u1ea3i ph\u00e1p 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 su\u1ea5t cao cho kh\u00e1ch h\u00e0ng c\u00f4ng nghi\u1ec7p. B\u00ean c\u1ea1nh vi\u1ec7c cung c\u1ea5p ph\u1ea7n c\u1ee9ng c\u1ed1t l\u00f5i nh\u01b0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t 4660, 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 \u0111ang n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng an to\u00e0n kh\u00ed n\u00e9n c\u0169 v\u00e0 c\u1ea7n x\u00e1c minh xem m\u00f4i ch\u1ea5t c\u1ea5p hi\u1ec7n t\u1ea1i c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u l\u1ecdc cho r\u01a1le ch\u1eb7n v\u00e0 x\u1ea3 hay kh\u00f4ng, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi nh\u00f3m k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/p>","protected":false},"excerpt":{"rendered":"<p>The Fisher 4660 is a rugged pneumatic pilot designed specifically to trigger safety shutdown systems for flowlines, production vessels, and compressors. It acts as a pressure &#8220;gatekeeper&#8221;: as long as your process pressure stays within your defined &#8220;safe zone,&#8221; the pilot maintains full output pressure to keep your system running. The moment pressure spikes too high or drops too low, the pilot instantly bleeds its output to zero, tripping the shutdown valve.<\/p>","protected":false},"author":1,"featured_media":7589,"parent":0,"menu_order":26,"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-7588","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":"","input_signal":"Pneumatic","max_outlet_pressure":"65 psig","mounting_type":"Remote Mount, Actuator Mount","operating_temperature":"Standard Temperature","position_control":"On\/Off","process_control":"Pressure","power_source":"","supply_media":"Air, Natural Gas","other_configurations":"Please contact us for other specifications or options for this product.","datasheet":7590},"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 4660 Pneumatic High-Low Pressure Pilot | Fisher Supplier<\/title>\n<meta name=\"description\" content=\"Fisher 4660 pneumatic high-low pressure pilot from Yunrui Fisher supplier - 100% genuine Emerson, competitive price. Fisher full series products supply, pressure monitoring and control.\" \/>\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\/products\/fisher-4660-pneumatic-high-low-pressure-pilot\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fisher 4660 Pneumatic High-Low Pressure Pilot\uff5cFisher supplier\uff5cFisher&#039;s full product range available\" \/>\n<meta property=\"og:description\" content=\"Fisher 4660 pneumatic high-low pressure pilot from Yunrui Fisher supplier - 100% genuine Emerson, competitive price. 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