{"id":7692,"date":"2026-04-08T17:51:27","date_gmt":"2026-04-08T17:51:27","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?post_type=products&#038;p=7692"},"modified":"2026-04-08T17:51:42","modified_gmt":"2026-04-08T17:51:42","slug":"fisher-3720-electro-pneumatic-positioner","status":"publish","type":"products","link":"https:\/\/www.yunrui-controls.com\/vi\/products\/fisher-3720-electro-pneumatic-positioner\/","title":{"rendered":"B\u1ed9 \u0111\u1ecbnh v\u1ecb \u0111i\u1ec7n kh\u00ed n\u00e9n Fisher 3720 | Nh\u00e0 cung c\u1ea5p van Fisher | C\u00f3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c s\u1ea3n ph\u1ea9m van 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\">Van tr\u01b0\u1ee3t c\u01a1 kh\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng th\u1ef1c t\u1ebf: Van 3720 s\u1eed d\u1ee5ng ki\u1ebfn tr\u00fac van tr\u01b0\u1ee3t c\u01a1 kh\u00ed. Thi\u1ebft k\u1ebf n\u00e0y \u0111\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n h\u00f3a m\u1ed9t c\u00e1ch c\u00f3 ch\u1ee7 \u00fd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady cao, th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh v\u00e0 tu\u1ed5i th\u1ecd chu k\u1ef3 c\u1ef1c k\u1ef3 d\u00e0i trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh \u0111i\u1ec1u ti\u1ebft kh\u1eafc nghi\u1ec7t.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,1,0\">Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu m\u00f4i tr\u01b0\u1eddng: \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed3n t\u1ea1i, model 3720 s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. Khi \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh v\u1edbi v\u00f2ng \u0111\u1ec7m EPDM v\u00e0 m\u00e0ng ng\u0103n chuy\u00ean d\u1ee5ng, thi\u1ebft b\u1ecb v\u1eabn ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n b\u00ecnh th\u01b0\u1eddng trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,2,0\">Tu\u00e2n th\u1ee7 theo ti\u00eau chu\u1ea9n ng\u00e0nh: \u0110\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh nh\u1ea1y c\u1ea3m nh\u01b0 th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 thu\u1ed1c l\u00e1, b\u1ed9 \u0111\u1ecbnh v\u1ecb c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c trang b\u1ecb v\u1eadt li\u1ec7u gio\u0103ng chuy\u00ean d\u1ee5ng (Fluorocarbon ho\u1eb7c EPDM) \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch h\u00f3a h\u1ecdc.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,3,0\">Hi\u1ec7u chu\u1ea9n \u1ed5n \u0111\u1ecbnh: C\u01a1 ch\u1ebf ph\u1ea3n h\u1ed3i v\u00e0 \u0111i\u1ec1u khi\u1ec3n b\u00ean trong \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 tr\u00f4i l\u1ec7ch. S\u1ef1 dao \u0111\u1ed9ng v\u1ec1 \u00e1p su\u1ea5t kh\u00ed cung c\u1ea5p cho nh\u00e0 m\u00e1y ho\u1eb7c s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh c\u00f3 t\u00e1c \u0111\u1ed9ng t\u1ed1i thi\u1ec3u \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec3m \u0111\u1eb7t c\u1ee7a van.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"4,4,0\">B\u1ea3o tr\u00ec theo d\u1ea1ng m\u00f4-\u0111un: B\u1eb1ng c\u00e1ch th\u00e1o n\u1eafp, k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn to\u00e0n b\u1ed9 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong. T\u00ednh ch\u1ea5t m\u00f4-\u0111un c\u1ee7a n\u00f3 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng n\u00e2ng c\u1ea5p ho\u1eb7c s\u1eeda ch\u1eefa c\u00e1c ph\u1ea7n c\u1ee5 th\u1ec3 c\u1ee7a c\u1ee5m l\u1eafp r\u00e1p m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb.<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"5\" \/>\n<h3 data-path-to-node=\"6\">Th\u00f4ng s\u1ed1 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>Chi ti\u1ebft<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"7,1,0,0\">T\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o<\/span><\/td>\n<td><span data-path-to-node=\"7,1,1,0\">D\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (ti\u00eau chu\u1ea9n 4-20mA)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,2,0,0\">H\u00e0nh \u0111\u1ed9ng \u0111\u1ea7u ra<\/span><\/td>\n<td><span data-path-to-node=\"7,2,1,0\">T\u00e1c \u0111\u1ed9ng \u0111\u01a1n ho\u1eb7c t\u00e1c \u0111\u1ed9ng k\u00e9p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,3,0,0\">Lo\u1ea1i b\u1ed9 truy\u1ec1n \u0111\u1ed9ng<\/span><\/td>\n<td><span data-path-to-node=\"7,3,1,0\">C\u01a1 c\u1ea5u quay (m\u00e0ng ng\u0103n ho\u1eb7c piston)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,4,0,0\">Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/span><\/td>\n<td><span data-path-to-node=\"7,4,1,0\">Lo\u1ea1i ti\u00eau chu\u1ea9n ho\u1eb7c lo\u1ea1i nhi\u1ec7t \u0111\u1ed9 th\u1ea5p (v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn EPDM)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,5,0,0\">Lo\u1ea1i phi c\u00f4ng<\/span><\/td>\n<td><span data-path-to-node=\"7,5,1,0\">Van cu\u1ed9n<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,6,0,0\">Ch\u1ea9n \u0111o\u00e1n<\/span><\/td>\n<td><span data-path-to-node=\"7,6,1,0\">T\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i b\u00ean ngo\u00e0i \u0111\u1ec3 ki\u1ec3m tra b\u1eb1ng FlowScanner.<\/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 \u0111\u1ecbnh v\u1ecb 3720 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb b\u1ec1n b\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng quy tr\u00ecnh kh\u00e1c nhau:<\/p>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\">Ng\u00e0nh h\u00f3a d\u1ea7u v\u00e0 d\u1ea7u kh\u00ed: Qu\u1ea3n l\u00fd van quay trong c\u00e1c gi\u00e0n khoan ngo\u00e0i tr\u1eddi, n\u01a1i th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra rung \u0111\u1ed9ng m\u1ea1nh v\u00e0 nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\">Ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m: Van \u0111i\u1ec1u ti\u1ebft v\u1ec7 sinh, n\u01a1i kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1eeda tr\u00f4i l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,2,0\">Ng\u00e0nh gi\u1ea5y v\u00e0 b\u1ed9t gi\u1ea5y: V\u1eadn h\u00e0nh van bi ch\u1eef V chu k\u1ef3 cao \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 \u0111\u1eb7c v\u00e0 l\u01b0u l\u01b0\u1ee3ng nguy\u00ean li\u1ec7u.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,3,0\">Ph\u00e1t \u0111i\u1ec7n: \u0110\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c c\u00e1c van \u0111i\u1ec1u ti\u1ebft v\u00e0 van xoay n\u01b0\u1edbc l\u00e0m m\u00e1t.<\/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 chuy\u00ean nghi\u1ec7p c\u00e1c gi\u1ea3i ph\u00e1p t\u1ef1 \u0111\u1ed9ng h\u00f3a ch\u00ednh h\u00e3ng c\u1ee7a Fisher v\u00e0 Emerson. Ch\u00fang t\u00f4i cung c\u1ea5p chuy\u00ean m\u00f4n k\u1ef9 thu\u1eadt s\u00e2u r\u1ed9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ed9 \u0111\u1ecbnh v\u1ecb Fisher 3720 c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh ch\u00ednh x\u00e1c cho b\u1ed9 truy\u1ec1n \u0111\u1ed9ng quay c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n\u2014bao g\u1ed3m c\u1ea3 vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u gio\u0103ng v\u00e0 lo\u1ea1i ho\u1ea1t \u0111\u1ed9ng (t\u00e1c \u0111\u1ed9ng \u0111\u01a1n ho\u1eb7c t\u00e1c \u0111\u1ed9ng k\u00e9p) ph\u00f9 h\u1ee3p. Th\u00f4ng qua chu\u1ed7i cung \u1ee9ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c b\u1ed9 \u0111\u1ecbnh v\u1ecb hi\u1ec7u su\u1ea5t cao n\u00e0y v\u1edbi l\u1ee3i th\u1ebf c\u1ea1nh tranh v\u1ec1 gi\u00e1 c\u1ea3.<\/p>\n<p data-path-to-node=\"15\">N\u1ebfu b\u1ea1n \u0111ang n\u00e2ng c\u1ea5p t\u1eeb m\u00e1y n\u00e9n kh\u00ed ho\u00e0n to\u00e0n 3710 l\u00ean m\u00e1y n\u00e9n kh\u00ed \u0111i\u1ec7n 3720, ho\u1eb7c n\u1ebfu b\u1ea1n c\u1ea7n ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a b\u1ed9 ph\u1ee5 ki\u1ec7n l\u1eafp \u0111\u1eb7t cho b\u1ed9 truy\u1ec1n \u0111\u1ed9ng c\u1ee7a b\u00ean th\u1ee9 ba c\u1ee5 th\u1ec3, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/p>","protected":false},"excerpt":{"rendered":"<p>Fisher 3720 l\u00e0 b\u1ed9 \u0111\u1ecbnh v\u1ecb \u0111i\u1ec7n-kh\u00ed n\u00e9n hi\u1ec7u su\u1ea5t cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho c\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng quay (m\u00e0ng ho\u1eb7c piston). \u0110\u00e2y l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng m\u00f4-\u0111un \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng c\u00e1ch t\u00edch h\u1ee3p b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n-kh\u00ed n\u00e9n Fisher 3722 v\u1edbi \u0111\u1ebf kh\u00ed n\u00e9n ch\u1eafc ch\u1eafn 3710. C\u1ea5u h\u00ecnh n\u00e0y cho ph\u00e9p thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u d\u00f2ng \u0111i\u1ec7n DC ti\u00eau chu\u1ea9n (4-20mA) th\u00e0nh \u0111\u1ecbnh v\u1ecb g\u00f3c ch\u00ednh x\u00e1c cho c\u00e1c bi ho\u1eb7c \u0111\u0129a van.<\/p>","protected":false},"author":1,"featured_media":7693,"parent":0,"menu_order":10,"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":[381],"brands":[162,112],"model_series":[],"industries":[54,57,53,55,60],"product_cat":[122,258],"class_list":["post-7692","products","type-products","status-publish","format-standard","has-post-thumbnail","hentry","tag-fisher-valves-supplier","brands-controllers-and-instruments","brands-fisher","industries-chemical-petrochemical","industries-food-beverage","industries-oil-gas","industries-power-generation","industries-pulp-paper","product_cat-control-valves-actuators","product_cat-controllers-and-instruments"],"acf":{"area_classification":"Explosion Proof, Intrinsically Safe, Non-incendive, Dust","certifications":"CSA, FM, ATEX, IECEx, CUTR, Peso, KGS, INMETRO, NEPSI, RCM","communication_protocol":"4-20mA Analog","data_interface":"Wired","diagnostics":"No","input_signal":"Electric","max_outlet_pressure":"150 psi","mounting_type":"Actuator Mounted","operating_temperature":"Standard Temperature, High Temperature","position_control":"Modulating","process_control":"Flow, Pressure, Temperature, Level","power_source":"","supply_media":"Air","other_configurations":"Please contact us for other specifications or options for this product.","datasheet":7687},"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 3720 Electro-Pneumatic Positioner | Fisher Valves supplier | Genuine Emerson<\/title>\n<meta name=\"description\" content=\"Fisher 3720 electro-pneumatic positioner from Yunrui Fisher Valves supplier - 100% genuine Emerson, competitive price. Converts 4-20mA signal to pneumatic output for precise valve 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-3720-electro-pneumatic-positioner\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fisher 3720 Electro-Pneumatic Positioner\uff5cFisher Valves supplier\uff5cFisher Valves full product range available\" \/>\n<meta property=\"og:description\" content=\"Fisher 3720 electro-pneumatic positioner from Yunrui Fisher Valves supplier - 100% genuine Emerson, competitive price. 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