{"id":4644,"date":"2026-01-21T22:09:07","date_gmt":"2026-01-21T22:09:07","guid":{"rendered":"https:\/\/yunrui-controls.com\/?post_type=products&#038;p=4644"},"modified":"2026-03-29T16:13:28","modified_gmt":"2026-03-29T16:13:28","slug":"fisher-66-series-direct","status":"publish","type":"products","link":"https:\/\/www.yunrui-controls.com\/vi\/products\/fisher-66-series-direct\/","title":{"rendered":"B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t tr\u1ef1c ti\u1ebfp v\u00e0 thi\u1ebft b\u1ecb d\u1ecbch v\u1ee5 ch\u00e2n kh\u00f4ng d\u00f2ng Fisher 66"},"content":{"rendered":"<h2 data-path-to-node=\"4\">Nh\u1eefng l\u1ee3i \u00edch v\u00e0 \u01b0u \u0111i\u1ec3m ch\u00ednh<\/h2>\n<ul data-path-to-node=\"5\">\n<li>\n<p data-path-to-node=\"5,0,0\">Ph\u1ea3n \u1ee9ng nh\u1ea1y b\u00e9n v\u1edbi s\u1ef1 thay \u0111\u1ed5i \u00e1p su\u1ea5t: T\u1ef7 l\u1ec7 m\u00e0ng ng\u0103n so v\u1edbi l\u1ed7 tho\u00e1t kh\u00ed l\u1edbn h\u01a1n b\u00ecnh th\u01b0\u1eddng cho ph\u00e9p d\u00f2ng s\u1ea3n ph\u1ea9m 66 Series ph\u00e1t hi\u1ec7n v\u00e0 hi\u1ec7u ch\u1ec9nh nh\u1eefng sai l\u1ec7ch \u00e1p su\u1ea5t r\u1ea5t nh\u1ecf. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t th\u1ea5p, n\u01a1i vi\u1ec7c duy tr\u00ec \u0111i\u1ec3m \u0111\u1eb7t \u1ed5n \u0111\u1ecbnh l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho s\u1ef1 an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"5,1,0\">Kh\u1ea3 n\u0103ng bao ph\u1ee7 b\u1ed3n ch\u1ee9a: D\u00f2ng s\u1ea3n ph\u1ea9m 66 l\u00e0 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho vi\u1ec7c bao ph\u1ee7 ho\u1eb7c \u0111\u1ec7m kh\u00ed nit\u01a1. N\u00f3 duy tr\u00ec \u00e1p su\u1ea5t d\u01b0\u01a1ng \u1ed5n \u0111\u1ecbnh trong kh\u00f4ng gian h\u01a1i c\u1ee7a b\u1ed3n ch\u1ee9a, b\u1ea3o v\u1ec7 ch\u1ea5t ch\u1ee9a b\u00ean trong kh\u1ecfi \u00f4 nhi\u1ec5m t\u1eeb kh\u00ed quy\u1ec3n v\u00e0 ng\u0103n b\u1ed3n ch\u1ee9a b\u1ecb x\u1eb9p trong qu\u00e1 tr\u00ecnh b\u01a1m h\u00fat.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"5,2,0\"><span class=\"citation-2946 citation-end-2946\">Kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 v\u00e0 ng\u1eaft van: Thi\u1ebft k\u1ebf b\u00ean trong cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 van ch\u1eafc ch\u1eafn, ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng do d\u00f2ng ch\u1ea3y t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c c\u00e1c m\u1ea3nh v\u1ee5n nh\u1ecf.<\/span> <span class=\"citation-2945 citation-end-2945\">Kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng \u0111\u00f3ng k\u00edn ho\u00e0n to\u00e0n c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh, \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng t\u0103ng \u00e1p su\u1ea5t \u0111\u1ed9t ng\u1ed9t trong c\u00e1c h\u1ec7 th\u1ed1ng k\u00edn.<\/span><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"5,3,0\">T\u00ednh linh ho\u1ea1t trong d\u1ecbch v\u1ee5 ch\u00e2n kh\u00f4ng: Ngo\u00e0i kh\u1ea3 n\u0103ng gi\u1ea3m \u00e1p su\u1ea5t, d\u00f2ng s\u1ea3n ph\u1ea9m 66 Series c\u00f2n c\u00f3 c\u00e1c c\u1ea5u tr\u00fac ch\u00e2n kh\u00f4ng chuy\u00ean d\u1ee5ng:<\/p>\n<ol start=\"1\" data-path-to-node=\"5,3,1\">\n<li>\n<p data-path-to-node=\"5,3,1,0,0\">B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh ch\u00e2n kh\u00f4ng: Ki\u1ec3m so\u00e1t m\u1ee9c \u0111\u1ed9 ch\u00e2n kh\u00f4ng b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ti\u1ebft l\u01b0u l\u01b0\u1ee3ng gi\u1eefa ngu\u1ed3n ch\u00e2n kh\u00f4ng v\u00e0 quy tr\u00ecnh.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"5,3,1,1,0\">Van an to\u00e0n ch\u00e2n kh\u00f4ng: B\u1ea3o v\u1ec7 c\u00e1c b\u1ed3n ch\u1ee9a v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng kh\u1ecfi b\u1ecb s\u1ee5p \u0111\u1ed5 b\u1eb1ng c\u00e1ch cho kh\u00f4ng kh\u00ed ho\u1eb7c kh\u00ed tr\u01a1 v\u00e0o khi m\u1ee9c ch\u00e2n kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec3m \u0111\u1eb7t.<\/p>\n<\/li>\n<\/ol>\n<\/li>\n<li>\n<p data-path-to-node=\"5,4,0\">\u0110\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec1u khi\u1ec3n cao: Ki\u1ebfn tr\u00fac v\u1eadn h\u00e0nh tr\u1ef1c ti\u1ebfp lo\u1ea1i b\u1ecf s\u1ef1 ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1ed9 tr\u1ec5 ti\u1ec1m t\u00e0ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng tay, mang l\u1ea1i ph\u1ea3n h\u1ed3i tuy\u1ebfn t\u00ednh v\u00e0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi s\u1ef1 thay \u0111\u1ed5i t\u1ea3i tr\u1ecdng tr\u00ean to\u00e0n b\u1ed9 ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"5,5,0\"><span class=\"citation-2944 citation-end-2944\">T\u00ednh linh ho\u1ea1t trong \u1ee9ng d\u1ee5ng: V\u1edbi nhi\u1ec1u d\u1ea3i l\u00f2 xo v\u00e0 t\u00f9y ch\u1ecdn v\u1eadt li\u1ec7u kh\u00e1c nhau, d\u00f2ng s\u1ea3n ph\u1ea9m 66 Series c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh \u0111\u1ec3 x\u1eed l\u00fd nhi\u1ec1u lo\u1ea1i kh\u00ed c\u00f4ng nghi\u1ec7p v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"6\">\u0110\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt<\/h3>\n<ul data-path-to-node=\"7\">\n<li>\n<p data-path-to-node=\"7,0,0\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng: V\u1eadn h\u00e0nh tr\u1ef1c ti\u1ebfp v\u00e0 c\u00f3 l\u00f2 xo.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,1,0\">Lo\u1ea1i d\u1ecbch v\u1ee5: Gi\u1ea3m \u00e1p su\u1ea5t, gi\u1ea3m ch\u00e2n kh\u00f4ng ho\u1eb7c van ng\u1eaft ch\u00e2n kh\u00f4ng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,2,0\">K\u00edch th\u01b0\u1edbc th\u00e2n van: C\u00f3 s\u1eb5n c\u00e1c k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n, bao g\u1ed3m NPS 2 (DN 50) v\u00e0 c\u00e1c c\u1ea5u h\u00ecnh l\u1edbn h\u01a1n d\u00e0nh cho c\u00e1c \u0111\u1ea7u n\u1ed1i c\u00f4ng nghi\u1ec7p.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,3,0\"><span class=\"citation-2943 citation-end-2943\">C\u00e1c ki\u1ec3u k\u1ebft n\u1ed1i \u0111\u1ea7u cu\u1ed1i: C\u00f3 s\u1eb5n c\u00e1c ki\u1ec3u k\u1ebft n\u1ed1i ren NPT ho\u1eb7c m\u1eb7t b\u00edch \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n \u0111\u01b0\u1eddng \u1ed1ng to\u00e0n c\u1ea7u.<\/span><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,4,0\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi m\u00f4i tr\u01b0\u1eddng: Th\u00edch h\u1ee3p cho kh\u00ed t\u1ef1 nhi\u00ean, kh\u00f4ng kh\u00ed, nit\u01a1, propan v\u00e0 c\u00e1c lo\u1ea1i kh\u00ed kh\u00f4ng \u0103n m\u00f2n kh\u00e1c.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,5,0\">V\u1ecf m\u00e0ng ng\u0103n: V\u1ecf c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 nh\u1ea1y t\u1ed1i \u0111a \u1edf \u00e1p su\u1ea5t th\u1ea5p.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"8\">L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng<\/h4>\n<p data-path-to-node=\"9\"><span class=\"citation-2942 citation-end-2942\">D\u00f2ng s\u1ea3n ph\u1ea9m 66 l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng \u0111a ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c \u1edf \u00e1p su\u1ea5t th\u1ea5p l\u00e0 y\u1ebfu t\u1ed1 h\u00e0ng \u0111\u1ea7u.<\/span><\/p>\n<h5 data-path-to-node=\"10\">C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng ch\u00ednh:<\/h5>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\">B\u1ed9 \u0111\u1ed1t c\u00f4ng nghi\u1ec7p: \u0110i\u1ec1u ch\u1ec9nh kh\u00ed nhi\u00ean li\u1ec7u \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y ch\u00ednh x\u00e1c trong l\u00f2 nung, l\u00f2 luy\u1ec7n kim v\u00e0 l\u00f2 n\u01b0\u1edbng quy m\u00f4 l\u1edbn.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\">C\u00e1c kho ch\u1ee9a nhi\u00ean li\u1ec7u: Cung c\u1ea5p l\u1edbp ph\u1ee7 nit\u01a1 v\u00e0 gi\u1ea3m \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng cho c\u00e1c b\u1ec3 ch\u1ee9a h\u00f3a ch\u1ea5t v\u00e0 nhi\u00ean li\u1ec7u.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,2,0\">Ph\u00f2ng th\u00ed nghi\u1ec7m nghi\u00ean c\u1ee9u: Qu\u1ea3n l\u00fd vi\u1ec7c ph\u00e2n ph\u1ed1i kh\u00ed \u00e1p su\u1ea5t th\u1ea5p cho m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m nh\u1ea1y c\u1ea3m.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,3,0\"><span class=\"citation-2941 citation-end-2941\">H\u1ec7 th\u1ed1ng thu h\u1ed3i h\u01a1i: Ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng h\u01a1i \u0111\u1ec3 ng\u0103n ng\u1eeba ph\u00e1t th\u1ea3i ra m\u00f4i tr\u01b0\u1eddng v\u00e0 duy tr\u00ec s\u1ef1 c\u00e2n b\u1eb1ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>D\u00f2ng s\u1ea3n ph\u1ea9m Fisher 66 bao g\u1ed3m c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t v\u1eadn h\u00e0nh tr\u1ef1c ti\u1ebfp \u0111a n\u0103ng, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c c\u00e1c lo\u1ea1i kh\u00ed c\u00f4ng nghi\u1ec7p \u00e1p su\u1ea5t th\u1ea5p v\u00e0 h\u1ec7 th\u1ed1ng ch\u00e2n kh\u00f4ng. D\u00f2ng s\u1ea3n ph\u1ea9m n\u00e0y l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu trong vi\u1ec7c ph\u00e2n ph\u1ed1i kh\u00ed cho c\u00e1c c\u1ee5m \u0111\u1ea7u \u0111\u1ed1t v\u00e0 r\u1ea5t hi\u1ec7u qu\u1ea3 trong c\u00e1c \u1ee9ng d\u1ee5ng bao ph\u1ee7 b\u1ec3 ch\u1ee9a. D\u00f2ng 66 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi m\u00e0ng ng\u0103n l\u1edbn \u0111\u1ec3 cung c\u1ea5p \u0111\u1ed9 nh\u1ea1y c\u1ea7n thi\u1ebft cho vi\u1ec7c ki\u1ec3m so\u00e1t \u1edf m\u1ee9c milibar, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ngay c\u1ea3 s\u1ef1 thay \u0111\u1ed5i nh\u1ecf nh\u1ea5t v\u1ec1 \u00e1p su\u1ea5t ho\u1eb7c ch\u00e2n kh\u00f4ng c\u0169ng \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng ngay l\u1eadp t\u1ee9c v\u00e0 ch\u00ednh x\u00e1c.<\/p>","protected":false},"author":1,"featured_media":4645,"parent":0,"menu_order":638,"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":[311,314],"brands":[112,308],"model_series":[],"industries":[54],"product_cat":[309],"class_list":["post-4644","products","type-products","status-publish","format-standard","has-post-thumbnail","hentry","tag-fisher","tag-regulators-relief-valves","brands-fisher","brands-regulators-relief-valves","industries-chemical-petrochemical","product_cat-regulators-relief-valves"],"acf":{"body_sizes_and_end_connection_styles":"NPS 2, 3 or 4 \/ DN 50, 80 or 100\r\nCast Iron Body: NPT or CL125 FF\r\nSteel Body: NPT, CL150 RF, CL150 FF, CL300 RF","temperature_capabilities":"NBR: -40\u00b0 to 180\u00b0F \/ -40\u00b0 to 82\u00b0C\r\nFKM: 0\u00b0 to 350\u00b0F \/ -18\u00b0 to 177\u00b0C\r\nEPDM: -40\u00b0 to 275\u00b0F \/ -40\u00b0 to 135\u00b0C","maximum_inlet_pressure":"Emergency Inlet Pressure:\r\nType 66, 66Z, 66ZZ or 66 Series Vacuum Breakers: 25 psig \/ 1,7 bar positive pressure\r\n66 Series Vacuum Regulators: 8 psig or 16.3-inches of mercury \/ 0,55 bar differential vacuum\r\n\r\n","maximum_outlet_pressures":"Emergency Outlet (Casing) Pressure:\r\nType 66, 66Z or 66ZZ: 8 psig \/ 0,55 bar positive pressure\r\n66 Series VR: 14.7 psi or 29.9-in of mercury \/ 1.01 bar differential vac\r\n66 Series VB: 8 psi or 16.3-in of mercury \/ 0.55 bar differential vac","outlet_pressure_ranges":"","pressure_registration":"Type 66, 66Z or 66ZZ\r\n  Cast Iron Body: Internal (standard) or External\r\n  Steel Body: External (standard) or Internal\r\n66 Series Vacuum Regulators or Breakers: External","available_low_pressure_configurations":"","available_high_pressure_configurations":"","available_pressure_differential_configurations":"","body_and_spring_case_materials":"","approximate_weights":"NPS 2 (DN 50) NPT: 50 Pounds \/ 23 kg\r\nNPS 3 (DN 80) Body: 100 Pounds \/ 45 kg\r\nNPS 4 (DN 100) Body: 155 Pounds \/ 70 kg","available_backpressure_constructions":"","available_high_pressure_differential_constructions":"","available_constructions":"","main_valve_pressure_ratings":"","allowable_inlet_pressure":"Maximum Inlet Pressure to Avoid Internal Parts Damage: \r\nType 66: 10 psig \/ 0,69 bar\r\nType 66Z: 5 psig \/ 0,34 bar\r\nType 66ZZ: 2 psig \/ 0,14 bar\r\nRecommended Inlet Pressure:\r\nType 66, 66Z or 66 Series Vacuum Breakers: 5 psig \/ 0.34 bar positive pressure\r\nType 66Z: 2 psig \/ 0,14 bar\r\n66 Series Vacuum Regulator: 6-in w.c. or 0.4-in of mercury \/ 15 mbar differential vacuum","allowable_outlet_pressure":"Maximum Safe Pressure to Avoid Internal Parts Damage:\r\nType 66, 66Z or 66ZZ: 1 psig \/ 0,07 bar differential above outlet pressure setting\r\n66 Series Vacuum Regulator: No more than 1 psig \/ 0,07 bar differential change from spring setting","orifice_sizes":"","external_registration_connection":"","hydrogen_h2":"","capacity":"","gauge_outlet":"","maximum_temperature":"","spring_ranges":"","token_relief":"","type_tm600_true-monitor\u2122_specifications":"","type_vsx4_slam-shut_module_specifications":"","maximum_allowable_pressures":"","hydrogen_configurations":"","datasheet":4646,"live_photos":"","available_certificates":"","available_logistics":""},"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 66 Series | Original China Supplier<\/title>\n<meta name=\"description\" content=\"Ensure your operations run smoothly with a brand new Fisher 66 Series Direct-Operated Regulators and Vacuum Service Equipment. 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