{"id":15211,"date":"2026-05-09T08:00:00","date_gmt":"2026-05-09T00:00:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=15211"},"modified":"2026-05-15T09:08:58","modified_gmt":"2026-05-15T01:08:58","slug":"what-fire-protection-butterfly-valves-industrial-systems","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/","title":{"rendered":"Van ch\u1ed1ng ch\u00e1y b\u01b0\u1edbm cho h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y c\u00f4ng nghi\u1ec7p"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Chuy\u1ec3n \u0111\u1ed5i m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#How_a_Fire_Protection_Butterfly_Valve_Works\" >Van b\u01b0\u1edbm ch\u1ed1ng ch\u00e1y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#Choosing_the_Right_Butterfly_Valve_for_Your_Fire_System\" >Ch\u1ecdn van b\u01b0\u1edbm ph\u00f9 h\u1ee3p cho h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y c\u1ee7a b\u1ea1n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#1_Wafer-Style\" >1. Ki\u1ec3u Wafer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#2_Lug-Style\" >2. Ki\u1ec3u Lug<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#3_Grooved-End_Victaulic-Compatible\" >3. \u0110\u1ea7u n\u1ed1i r\u00e3nh (T\u01b0\u01a1ng th\u00edch Victaulic)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#4_OS_Y_Outside_Screw_and_Yoke\" >4. OS&amp;Y (Tr\u1ee5c v\u00edt ngo\u00e0i v\u00e0 C\u1ed5 d\u00ea)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#5_Supervisory_Switch-Equipped\" >5. C\u00f3 c\u00f4ng t\u1eafc gi\u00e1m s\u00e1t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#Common_Applications_in_Industrial_Fire_Systems\" >C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn trong h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y c\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#NFPA_Compliance_Requirements\" >Y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 NFPA<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#NFPA_13_%E2%80%93_Sprinkler_System_Installation\" >NFPA 13 \u2013 L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng phun n\u01b0\u1edbc ch\u1eefa ch\u00e1y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#NFPA_20_%E2%80%93_Fire_Pump_Systems\" >NFPA 20 \u2013 H\u1ec7 th\u1ed1ng b\u01a1m ch\u1eefa ch\u00e1y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#NFPA_25_%E2%80%93_Inspection_Testing_and_Maintenance\" >NFPA 25 \u2013 Ki\u1ec3m tra, th\u1eed nghi\u1ec7m v\u00e0 b\u1ea3o tr\u00ec<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#NFPA_72_%E2%80%93_Fire_Alarm_and_Signaling\" >NFPA 72 \u2013 B\u00e1o ch\u00e1y v\u00e0 T\u00edn hi\u1ec7u<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#Fire_Protection_Butterfly_Valve_Installation_Reminders\" >Nh\u1eefng l\u01b0u \u00fd khi l\u1eafp \u0111\u1eb7t van b\u01b0\u1edbm ch\u1ed1ng ch\u00e1y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/what-fire-protection-butterfly-valves-industrial-systems\/#Conclusion\" >Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">M\u1ed8T <a href=\"https:\/\/www.xintaivalves.com\/vi\/products\/centerline-wafer-type-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">van b\u01b0\u1edbm ch\u1ed1ng ch\u00e1y<\/a> l\u00e0 van bi \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng m\u1ed9t ph\u1ea7n t\u01b0 v\u00f2ng quay \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y c\u00f4ng nghi\u1ec7p. Van b\u01b0\u1edbm \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng phun n\u01b0\u1edbc t\u1ef1 \u0111\u1ed9ng, \u1ed1ng \u0111\u1ee9ng v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng ch\u1eefa ch\u00e1y \u0111\u1ec3 b\u1eaft \u0111\u1ea7u, d\u1eebng ho\u1eb7c c\u00f4 l\u1eadp d\u00f2ng ch\u1ea3y c\u1ee7a n\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ef9 s\u01b0 v\u00e0 \u0111\u1ed9i ng\u0169 mua s\u1eafm ch\u1ec9 \u0111\u1ecbnh c\u00e1c lo\u1ea1i van n\u00e0y do ho\u1ea1t \u0111\u1ed9ng nhanh, tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, ch\u1ee9ng nh\u1eadn UL\/FM v\u00e0 kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t t\u00edch h\u1ee3p. T\u1ea5t c\u1ea3 trong m\u1ed9t thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn duy nh\u1ea5t.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c van \u0111i\u1ec1u khi\u1ec3n b\u00ean trong \u0111\u1ea3m b\u1ea3o n\u01b0\u1edbc \u0111\u1ebfn \u0111\u00fang khu v\u1ef1c k\u1ecbp th\u1eddi. C\u00e1c van n\u00e0y c\u00f4 l\u1eadp c\u00e1c khu v\u1ef1c c\u1ee7a h\u1ec7 th\u1ed1ng; s\u1ef1 c\u1ed1 trong qu\u00e1 tr\u00ecnh x\u1ea3y ra ch\u00e1y s\u1ebd ng\u0103n n\u01b0\u1edbc \u0111\u1ebfn c\u00e1c v\u00f2i phun n\u01b0\u1edbc t\u1ef1 \u0111\u1ed9ng \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c van n\u00e0y, c\u00e1c lo\u1ea1i c\u00f3 s\u1eb5n, y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n NFPA v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn. N\u00f3 c\u0169ng s\u1ebd bao g\u1ed3m c\u00e1c m\u1eb9o v\u1ec1 c\u00e1ch t\u00ecm ngu\u1ed3n cung \u1ee9ng van b\u01b0\u1edbm ki\u1ec3u wafer cho m\u1ee5c \u0111\u00edch c\u00f4ng nghi\u1ec7p.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_a_Fire_Protection_Butterfly_Valve_Works\"><\/span>Van b\u01b0\u1edbm ch\u1ed1ng ch\u00e1y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a van b\u01b0\u1edbm l\u00e0 m\u1ed9t \u0111\u0129a quay \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean m\u1ed9t tr\u1ee5c xuy\u00ean qua t\u00e2m c\u1ee7a th\u00e2n van. Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 r\u1ea5t \u0111\u01a1n gi\u1ea3n. Khi \u0111\u0129a song song v\u1edbi l\u1ed7 van, van s\u1ebd m\u1edf v\u00e0 d\u00f2ng ch\u1ea3y \u0111i qua. Xoay n\u00f3 \u0111\u1ebfn m\u1ed9t <a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/how-gear-operated-valves-work\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/how-gear-operated-valves-work\/\" rel=\"noreferrer noopener\">v\u00f2ng quay m\u1ed9t ph\u1ea7n t\u01b0 90\u00b0<\/a> l\u00e0m cho n\u00f3 vu\u00f4ng g\u00f3c v\u1edbi l\u1ed7 van v\u00e0 d\u1eebng d\u00f2ng ch\u1ea3y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00f2ng quay 90\u00b0 duy nh\u1ea5t \u0111\u00f3 l\u00e0 l\u1ee3i th\u1ebf ho\u1ea1t \u0111\u1ed9ng quan tr\u1ecdng. So v\u1edbi van c\u1ed5ng, y\u00eau c\u1ea7u nhi\u1ec1u v\u00f2ng quay \u0111\u1ea7y \u0111\u1ee7, van b\u01b0\u1edbm m\u1edf ho\u1eb7c \u0111\u00f3ng ch\u1ec9 b\u1eb1ng m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y c\u1ef1c k\u1ef3 quan tr\u1ecdng khi h\u1ec7 th\u1ed1ng k\u00edch ho\u1ea1t trong tr\u01b0\u1eddng h\u1ee3p kh\u1ea9n c\u1ea5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u1eadt li\u1ec7u c\u1ea5u t\u1ea1o ch\u00ednh trong thi\u1ebft k\u1ebf ch\u1ed1ng ch\u00e1y bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00e2n h\u00ecnh<\/strong>: Gang d\u1ebbo (ASTM A536) \u0111\u1ec3 ch\u1ed1ng va \u0111\u1eadp v\u00e0 \u0111\u1ea3m b\u1ea3o \u00e1p su\u1ea5t.<\/li>\n\n\n\n<li><strong>\u0110\u0129a<\/strong>: Th\u00e9p kh\u00f4ng g\u1ec9 (SS316) ho\u1eb7c gang d\u1ebbo m\u1ea1 niken \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n.<\/li>\n\n\n\n<li><strong>Gh\u1ebf<\/strong>: EPDM cho d\u1ecbch v\u1ee5 n\u01b0\u1edbc; NBR cho c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c m\u1eabu ch\u1ed1ng ch\u00e1y \u0111\u1ec1u c\u00f3 x\u1ebfp h\u1ea1ng chu k\u1ef3 \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra t\u1ea1i nh\u00e0 m\u00e1y l\u00e0 500.000 l\u1ea7n ho\u1ea1t \u0111\u1ed9ng tr\u01b0\u1edbc khi y\u00eau c\u1ea7u <strong>thay th\u1ebf van b\u01b0\u1edbm ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Butterfly_Valve_for_Your_Fire_System\"><\/span>Ch\u1ecdn van b\u01b0\u1edbm ph\u00f9 h\u1ee3p cho h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y c\u1ee7a b\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Choosing-the-Right-Butterfly-Valve-for-Your-Fire-System-1024x512.webp\" alt=\"S\u01a1 \u0111\u1ed3 c\u00e1c lo\u1ea1i van b\u01b0\u1edbm ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y kh\u00e1c nhau\" class=\"wp-image-15212\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Choosing-the-Right-Butterfly-Valve-for-Your-Fire-System-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Choosing-the-Right-Butterfly-Valve-for-Your-Fire-System-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Choosing-the-Right-Butterfly-Valve-for-Your-Fire-System-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Choosing-the-Right-Butterfly-Valve-for-Your-Fire-System-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Choosing-the-Right-Butterfly-Valve-for-Your-Fire-System.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn van b\u01b0\u1edbm ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o k\u1ebft n\u1ed1i \u0111\u01b0\u1eddng \u1ed1ng c\u1ee5 th\u1ec3 v\u00e0 c\u00e1c y\u00eau c\u1ea7u gi\u00e1m s\u00e1t theo quy \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Wafer-Style\"><\/span>1. Ki\u1ec3u Wafer<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Van ki\u1ec3u wafer \u0111\u01b0\u1ee3c k\u1eb9p gi\u1eefa hai m\u1eb7t b\u00edch \u0111\u01b0\u1eddng \u1ed1ng b\u1eb1ng bu l\u00f4ng xuy\u00ean su\u1ed1t. Ch\u00fang l\u00e0 l\u1ef1a ch\u1ecdn nh\u1eb9 nh\u1ea5t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t. Ch\u00fang \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho c\u00e1c h\u1ec7 th\u1ed1ng m\u00e0 van s\u1ebd kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi \u00e1p su\u1ea5t \u0111\u1ea7u cu\u1ed1i ho\u1eb7c vi\u1ec7c th\u00e1o l\u1eafp th\u01b0\u1eddng xuy\u00ean.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Lug-Style\"><\/span>2. Ki\u1ec3u Lug<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Van Lug-style c\u00f3 c\u00e1c ren ch\u00e8n xung quanh chu vi th\u00e2n van. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p th\u00e1o m\u1ed9t \u0111o\u1ea1n \u1ed1ng m\u00e0 kh\u00f4ng l\u00e0m x\u00e1o tr\u1ed9n ph\u00eda b\u00ean kia. \u0110i\u1ec1u n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o tr\u00ec trong c\u00e1c c\u1ea5u h\u00ecnh d\u1ecbch v\u1ee5 cu\u1ed1i \u0111\u01b0\u1eddng \u1ed1ng.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Grooved-End_Victaulic-Compatible\"><\/span>3. \u0110\u1ea7u n\u1ed1i r\u00e3nh (T\u01b0\u01a1ng th\u00edch Victaulic)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Van Grooved-end s\u1eed d\u1ee5ng kh\u1edbp n\u1ed1i c\u01a1 kh\u00ed c\u00f3 r\u00e3nh thay v\u00ec m\u1eb7t b\u00edch. Thi\u1ebft k\u1ebf n\u00e0y gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 nh\u00e2n c\u00f4ng l\u1eafp \u0111\u1eb7t v\u00e0 y\u00eau c\u1ea7u d\u1ee5ng c\u1ee5. Ch\u00fang l\u00e0 l\u1ef1a ch\u1ecdn chi\u1ebfm \u01b0u th\u1ebf trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c van n\u00e0y t\u01b0\u01a1ng th\u00edch v\u1ec1 k\u00edch th\u01b0\u1edbc v\u1edbi <a href=\"https:\/\/www.xintaivalves.com\/vi\/butterfly-valve-collection\/\" target=\"_blank\" rel=\"noreferrer noopener\">Van b\u01b0\u1edbm ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y Victaulic<\/a> ti\u00eau chu\u1ea9n. C\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 th\u1ea7u hi\u1ec7n s\u1eed d\u1ee5ng <strong>Van b\u01b0\u1edbm r\u00e3nh Victaulic<\/strong> h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i l\u00e0m ti\u00eau chu\u1ea9n ch\u00ednh cho c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt van ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi t\u00ecm ngu\u1ed3n cung \u1ee9ng thay th\u1ebf, c\u00e1c nh\u00f3m mua s\u1eafm c\u0169ng tham kh\u1ea3o <strong>danh m\u1ee5c van Victaulic<\/strong> v\u00ec <a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/psi-vs-psia-psig\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/psi-vs-psia-psig\/\" rel=\"noreferrer noopener\">l\u1edbp \u00e1p su\u1ea5t<\/a>, k\u00edch th\u01b0\u1edbc k\u1ebft n\u1ed1i \u0111\u1ea7u cu\u1ed1i v\u00e0 c\u1ea5u h\u00ecnh c\u00f4ng t\u1eafc gi\u00e1m s\u00e1t.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_OS_Y_Outside_Screw_and_Yoke\"><\/span>4. OS&amp;Y (Tr\u1ee5c v\u00edt ngo\u00e0i v\u00e0 C\u1ed5 d\u00ea)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u1ee5c ren n\u1ed5i l\u00ean cho bi\u1ebft r\u00f5 r\u00e0ng van \u0111ang m\u1edf hay \u0111\u00f3ng. Thi\u1ebft k\u1ebf n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh cho c\u00e1c v\u1ecb tr\u00ed \u1ed1ng \u0111\u1ee9ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y v\u00e0 van \u0111i\u1ec1u khi\u1ec3n ch\u00ednh. N\u00f3 cho ph\u00e9p ng\u01b0\u1eddi ki\u1ec3m tra x\u00e1c nh\u1eadn tr\u1ea1ng th\u00e1i van b\u1eb1ng m\u1eaft m\u00e0 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Supervisory_Switch-Equipped\"><\/span>5. C\u00f3 c\u00f4ng t\u1eafc gi\u00e1m s\u00e1t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Van c\u00f3 c\u00f4ng t\u1eafc ch\u1ed1ng gi\u1ea3 m\u1ea1o t\u00edch h\u1ee3p k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n b\u00e1o ch\u00e1y c\u1ee7a t\u00f2a nh\u00e0 (FACP). N\u1ebfu ai \u0111\u00f3 \u0111\u00f3ng van n\u00e0y khi n\u00f3 \u0111ang m\u1edf, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n s\u1ebd t\u1ea1o ra c\u1ea3nh b\u00e1o gi\u00e1m s\u00e1t. NFPA 72 y\u00eau c\u1ea7u gi\u00e1m s\u00e1t c\u00f3 d\u00e2y n\u00e0y tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c van \u0111i\u1ec1u khi\u1ec3n trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t.<\/p>\n\n\n\n<style>\n  .hero-card {\n    display: flex;\n    flex-wrap: wrap;\n    align-items: center;\n    background: #f7f8fa;\n    border-radius: 16px;\n    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n    padding: 24px;\n    max-width: 900px;\n    margin: 40px auto;\n    font-family: Arial, sans-serif;\n    text-decoration: none;\n    color: inherit;\n    font-family: 'Poppins';\n    transition: transform 0.2s ease-in-out;\n  }\n\n  .hero-card:hover {\n    transform: translateY(-2px);\n  }\n\n  .hero-image {\n    width: 220px;\n    height: auto;\n    border-radius: 12px;\n    object-fit: cover;\n    flex-shrink: 0;\n  }\n\n  .hero-content {\n    padding-left: 24px;\n    flex: 1;\n    min-width: 260px;\n  }\n\n  .hero-title {\n    font-size: 1.6rem;\n    font-weight: bold;\n    margin-bottom: 12px;\n    color: #222;\n    font-family: 'Poppins';\n  }\n\n  .hero-description {\n    font-size: 1rem;\n    color: #555;\n    margin-bottom: 18px;\n    line-height: 1.5;\n  }\n\n  .hero-link {\n    display: inline-block;\n    padding: 10px 20px;\n    background-color: #D70C19;\n    color: #fff;\n    text-decoration: none;\n    border-radius: 8px;\n    font-weight: bold;\n    transition: background 0.2s ease-in-out;\n  }\n\n  .hero-link:hover {\n    background-color: #b30a15;\n  }\n\n  @media (max-width: 640px) {\n    .hero-card {\n      flex-direction: column;\n      text-align: center;\n    }\n\n    .hero-content {\n      padding-left: 0;\n      padding-top: 20px;\n    }\n\n    .hero-image {\n      width: 100%;\n      max-width: 280px;\n    }\n  }\n<\/style>\n\n<a class=\"hero-card\" href=\"https:\/\/www.xintaivalves.com\/vi\/products\/centerline-wafer-type-butterfly-valve\/\" target=\"_blank\" rel=\"noopener\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/xintaivalves.com\/wp-content\/uploads\/2022\/02\/%E6%9C%AA%E6%A0%87%E9%A2%98-2-1.jpg\" alt=\"TRUNG T\u00c2M LO\u1ea0I WAFER VAN B\u01af\u1edaM M\u1ec0M\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">TRUNG T\u00c2M LO\u1ea0I WAFER VAN B\u01af\u1edaM M\u1ec0M<\/div>\n    <div class=\"hero-description\">\n      Van b\u01b0\u1edbm l\u00e0 thi\u1ebft b\u1ecb c\u00f3 c\u1ea5u h\u00ecnh th\u1ea5p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. Ch\u00fang t\u01b0\u01a1ng \u0111\u1ed1i m\u1ecfng, c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 chi\u1ebfm \u00edt kh\u00f4ng gian h\u01a1n trong \u0111\u01b0\u1eddng \u1ed1ng so v\u1edbi c\u00e1c lo\u1ea1i van kh\u00e1c.\n    <\/div>\n    <span class=\"hero-link\">Kh\u00e1m ph\u00e1 S\u1ea3n ph\u1ea9m &amp; Gi\u1ea3i ph\u00e1p<\/span>\n  <\/div>\n<\/a>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Applications_in_Industrial_Fire_Systems\"><\/span>C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn trong h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TRONG <strong>l\u1eafp \u0111\u1eb7t van b\u01b0\u1edbm ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y, <\/strong>k\u1ef9 s\u01b0 ch\u1ec9 \u0111\u1ecbnh lo\u1ea1i van n\u00e0y tr\u00ean c\u00e1c lo\u1ea1i h\u1ec7 th\u1ed1ng sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u1ec7 th\u1ed1ng phun n\u01b0\u1edbc \u01b0\u1edbt v\u00e0 phun kh\u00f4<\/strong>: van \u0111i\u1ec1u khi\u1ec3n c\u00f4 l\u1eadp v\u00f9ng theo NFPA 13.<\/li>\n\n\n\n<li><strong>H\u1ec7 th\u1ed1ng \u1ed1ng \u0111\u1ee9ng<\/strong>: \u0111i\u1ec1u khi\u1ec3n ph\u00e2n ph\u1ed1i n\u01b0\u1edbc theo t\u1eebng t\u1ea7ng trong c\u00e1c t\u00f2a nh\u00e0 cao t\u1ea7ng v\u00e0 c\u00f4ng nghi\u1ec7p nhi\u1ec1u t\u1ea7ng.<\/li>\n\n\n\n<li><strong>\u0110\u01b0\u1eddng \u1ed1ng x\u1ea3 v\u00e0 h\u00fat c\u1ee7a b\u01a1m ch\u1eefa ch\u00e1y<\/strong>: \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng theo y\u00eau c\u1ea7u c\u1ee7a NFPA 20.<\/li>\n\n\n\n<li><strong>H\u1ec7 th\u1ed1ng phun n\u01b0\u1edbc tr\u00e0n v\u00e0 phun b\u1ecdt n\u01b0\u1edbc<\/strong>: \u0111i\u1ec1u khi\u1ec3n k\u00edch ho\u1ea1t v\u00f9ng nhanh ch\u00f3ng.<\/li>\n\n\n\n<li><strong>H\u1ec7 th\u1ed1ng Preaction<\/strong>: v\u1ecb tr\u00ed van \u0111i\u1ec1u khi\u1ec3n hai kh\u00f3a.<\/li>\n\n\n\n<li><strong>T\u1ed5 h\u1ee3p ng\u0103n ng\u1eeba d\u00f2ng ch\u1ea3y ng\u01b0\u1ee3c<\/strong>: c\u00f4 l\u1eadp \u1edf hai b\u00ean c\u1ee7a b\u1ed9 ng\u0103n ng\u1eeba d\u00f2ng ch\u1ea3y ng\u01b0\u1ee3c.<\/li>\n\n\n\n<li><strong>Van ki\u1ec3m tra v\u00e0 van x\u1ea3<\/strong>: \u0111i\u1ec3m ki\u1ec3m tra h\u1ec7 th\u1ed1ng ph\u1ee5.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NFPA_Compliance_Requirements\"><\/span>Y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 NFPA<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n NFPA \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 tu\u00e2n th\u1ee7 ph\u00e1p lu\u1eadt trong ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y. C\u00e1c quy \u0111\u1ecbnh n\u00e0y chi ph\u1ed1i m\u1ecdi th\u1ee9 t\u1eeb ch\u1ee9ng nh\u1eadn th\u00e0nh ph\u1ea7n \u0111\u1ebfn l\u1ecbch tr\u00ecnh b\u1ea3o tr\u00ec nghi\u00eam ng\u1eb7t.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u r\u00f5 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a NFPA 13, 20, 25 v\u00e0 72 \u0111\u1ea3m b\u1ea3o van b\u01b0\u1edbm c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c trong s\u1ef1 ki\u1ec7n ch\u00e1y quan tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NFPA_13_%E2%80%93_Sprinkler_System_Installation\"><\/span>NFPA 13 \u2013 L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng phun n\u01b0\u1edbc ch\u1eefa ch\u00e1y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NFPA 13 quy \u0111\u1ecbnh van \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea UL ho\u1eb7c \u0111\u01b0\u1ee3c FM ph\u00ea duy\u1ec7t cho t\u1ea5t c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng phun n\u01b0\u1edbc. Ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u van b\u01b0\u1edbm \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang lu\u00f4n m\u1edf. L\u1eafp \u0111\u1eb7t van kh\u00f4ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea l\u00e0 vi ph\u1ea1m quy t\u1eafc an to\u00e0n, b\u1ea5t k\u1ec3 chi ph\u00ed hay s\u1ef1 s\u1eb5n c\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NFPA_20_%E2%80%93_Fire_Pump_Systems\"><\/span>NFPA 20 \u2013 H\u1ec7 th\u1ed1ng b\u01a1m ch\u1eefa ch\u00e1y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NFPA 20 quy \u0111\u1ecbnh v\u1ec1 van b\u01b0\u1edbm tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng h\u00fat v\u00e0 \u0111\u1ea9y c\u1ee7a m\u00e1y b\u01a1m. Ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u thi\u1ebft k\u1ebf van \u0111\u00f3ng ch\u1eadm \u0111\u1ec3 ng\u0103n ng\u1eeba \u201cb\u00faa n\u01b0\u1edbc\u201d trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y b\u01a1m. N\u00f3 c\u0169ng d\u1ef1a tr\u00ean t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng th\u1ee7y l\u1ef1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc van t\u1ed1i thi\u1ec3u thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng danh ngh\u0129a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NFPA_25_%E2%80%93_Inspection_Testing_and_Maintenance\"><\/span>NFPA 25 \u2013 Ki\u1ec3m tra, th\u1eed nghi\u1ec7m v\u00e0 b\u1ea3o tr\u00ec<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NFPA 25 \u0111\u1eb7t ra l\u1ecbch tr\u00ecnh b\u1ea3o tr\u00ec m\u00e0 ng\u01b0\u1eddi qu\u1ea3n l\u00fd c\u01a1 s\u1edf v\u00e0 AHJ th\u1ef1c thi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00e0ng th\u00e1ng: X\u00e1c nh\u1eadn t\u1ea5t c\u1ea3 c\u00e1c van \u0111i\u1ec1u khi\u1ec3n \u0111ang \u1edf v\u1ecb tr\u00ed m\u1edf; x\u00e1c minh c\u00e1c thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/li>\n\n\n\n<li>H\u00e0ng qu\u00fd: V\u1eadn h\u00e0nh m\u1ed7i van qua to\u00e0n b\u1ed9 ph\u1ea1m vi h\u00e0nh tr\u00ecnh \u0111\u1ec3 ng\u0103n \u0111\u0129a b\u1ecb k\u1eb9t.<\/li>\n\n\n\n<li>H\u00e0ng n\u0103m: Ki\u1ec3m tra t\u00edn hi\u1ec7u c\u00f4ng t\u1eafc gi\u00e1m s\u00e1t t\u1ea1i FACP; ghi l\u1ea1i k\u1ebft qu\u1ea3 \u0111\u1ec3 AHJ xem x\u00e9t.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"NFPA_72_%E2%80%93_Fire_Alarm_and_Signaling\"><\/span>NFPA 72 \u2013 B\u00e1o ch\u00e1y v\u00e0 T\u00edn hi\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NFPA 72 y\u00eau c\u1ea7u nh\u00e0 th\u1ea7u \u0111\u1ea5u d\u00e2y c\u00e1c c\u00f4ng t\u1eafc ch\u1ed1ng can thi\u1ec7p c\u1ee7a van b\u01b0\u1edbm tr\u1ef1c ti\u1ebfp v\u00e0o FACP. M\u1ed9t c\u00f4ng t\u1eafc kh\u00f4ng \u0111\u1ea5u d\u00e2y s\u1ebd t\u1ea1o ra thi\u1ebfu s\u00f3t theo quy \u0111\u1ecbnh, d\u1eabn \u0111\u1ebfn kh\u00f4ng \u0111\u1ea1t ki\u1ec3m tra. Lu\u00f4n x\u00e1c nh\u1eadn vi\u1ec7c \u0111\u1ea5u d\u00e2y ho\u00e0n ch\u1ec9nh trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fire_Protection_Butterfly_Valve_Installation_Reminders\"><\/span>Nh\u1eefng l\u01b0u \u00fd khi l\u1eafp \u0111\u1eb7t van b\u01b0\u1edbm ch\u1ed1ng ch\u00e1y<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t van ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y, h\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 lo\u1ea1i van t\u01b0\u01a1ng th\u00edch.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed8T <strong>van b\u01b0\u1edbm, Victaulic <\/strong>lo\u1ea1i, l\u00e0 nh\u00e0 cung c\u1ea5p ch\u00ednh c\u00e1c lo\u1ea1i van b\u01b0\u1edbm ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y. Tuy nhi\u00ean, tr\u01b0\u1edbc khi \u0111\u1eb7t mua van ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y, h\u00e3y lu\u00f4n ki\u1ec3m tra <strong>th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt PDF c\u1ee7a van b\u01b0\u1edbm Victaulic 705 <\/strong>h\u01b0\u1edbng d\u1eabn xem n\u00f3 c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n kh\u00f4ng. Ngo\u00e0i ra, h\u00e3y x\u00e1c minh <strong>h\u01b0\u1edbng d\u1eabn so s\u00e1nh gi\u00e1 van b\u01b0\u1edbm Victaulic<\/strong> xem n\u00f3 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n kh\u00f4ng.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y ghi nh\u1edb nh\u1eefng l\u1eddi nh\u1eafc nh\u1edf n\u00e0y tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>X\u00e1c minh van v\u00e0 \u0111\u1ecbnh m\u1ee9c: <\/strong>Ki\u1ec3m tra xem van c\u00f3 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea UL ho\u1eb7c UL-FM cho d\u1ecbch v\u1ee5 ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y kh\u00f4ng. N\u00f3 c\u0169ng ph\u1ea3i kh\u1edbp v\u1edbi l\u1edbp ANSI\/EN v\u00e0 \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t y\u00eau c\u1ea7u.<\/li>\n\n\n\n<li><strong>S\u1eed d\u1ee5ng lo\u1ea1i \u0111\u1ea7u n\u1ed1i v\u00e0 c\u1ea5u h\u00ecnh \u0111\u01b0\u1eddng \u1ed1ng ph\u00f9 h\u1ee3p: <\/strong>S\u1eed d\u1ee5ng lo\u1ea1i wafer \u0111\u1ec3 l\u1eafp \u0111\u1eb7t gi\u1eefa hai m\u1eb7t b\u00edch. Lo\u1ea1i lug \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho d\u1ecbch v\u1ee5 cu\u1ed1i \u0111\u01b0\u1eddng \u1ed1ng. S\u1eed d\u1ee5ng lo\u1ea1i r\u00e3nh cho \u0111\u01b0\u1eddng \u1ed1ng ch\u1eefa ch\u00e1y. \u0110\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u01b0\u1eddng k\u00ednh r\u00e3nh\/\u1ed1ng, <a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/ansi-flange-pressure-ratings-guide\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/ansi-flange-pressure-ratings-guide\/\" rel=\"noreferrer noopener\">\u0111\u1ecbnh m\u1ee9c m\u1eb7t b\u00edch<\/a>, v\u00e0 gio\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi van. N\u1ebfu kh\u00f4ng kh\u1edbp, c\u00f3 th\u1ec3 x\u1ea3y ra r\u00f2 r\u1ec9 ho\u1eb7c sai l\u1ec7ch.<\/li>\n\n\n\n<li><strong>H\u01b0\u1edbng l\u1eafp v\u00e0 kho\u1ea3ng tr\u1ed1ng: <\/strong>Van n\u00ean \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t m\u00e0 kh\u00f4ng va ch\u1ea1m v\u00e0o c\u00e1c thanh gi\u1eb1ng \u1ed1ng v\u00e0 c\u00e1c c\u1ea5u tr\u00fac kh\u00e1c. Tr\u00e1nh l\u1eafp \u0111\u1eb7t tay quay ho\u1eb7c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u1edf v\u1ecb tr\u00ed xung \u0111\u1ed9t v\u1edbi thang, l\u1ed1i \u0111i b\u1ed9 ho\u1eb7c c\u1eeda ra v\u00e0o. V\u1eadn h\u00e0nh lu\u00f4n ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef th\u00f4ng tho\u00e1ng v\u00e0 d\u1ec5 ti\u1ebfp c\u1eadn.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Ph\u1ea7n k\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi an to\u00e0n ph\u00f2ng ch\u00e1y, van ch\u1eefa ch\u00e1y lo\u1ea1i r\u00e3nh l\u00e0 th\u00e0nh ph\u1ea7n ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y ch\u00ednh. C\u00e1c van n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng phun n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p, \u1ed1ng \u0111\u1ee9ng, h\u1ec7 th\u1ed1ng x\u1ea3 tr\u00e0n v\u00e0 h\u1ec7 th\u1ed1ng b\u01a1m.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u01a1 ch\u1ebf v\u1eadn h\u00e0nh m\u1ed9t v\u00f2ng quay c\u1ee7a van, k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn v\u00e0 ch\u1ee9ng nh\u1eadn UL\/FM l\u00e0m cho van n\u00e0y tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn linh ho\u1ea1t. C\u00e1c t\u00ednh n\u0103ng n\u00e0y, k\u1ebft h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t t\u00edch h\u1ee3p, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u1eb7c \u0111\u1ecbnh cho c\u00e1c k\u1ef9 s\u01b0 l\u00e0m vi\u1ec7c theo NFPA 13, 20, 25 v\u00e0 72.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y \u0111\u00e1ng tin c\u1eady ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c \u01b0u ti\u00ean tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u00e0 b\u1ea3o tr\u00ec theo NFPA 25 h\u01a1n gi\u00e1 c\u1ea3 khi l\u1ef1a ch\u1ecdn th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt van. C\u00e1c nh\u00f3m mua s\u1eafm \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch kh\u1edbp ch\u00ednh x\u00e1c l\u1edbp \u00e1p su\u1ea5t y\u00eau c\u1ea7u, lo\u1ea1i k\u1ebft n\u1ed1i v\u00e0 c\u00f4ng t\u1eafc gi\u00e1m s\u00e1t.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color has-medium-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.xintaivalves.com\/vi\/contact\/\" style=\"background-color:#b30a15\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u1eadn B\u00e1o Gi\u00e1 Mi\u1ec5n Ph\u00ed<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A fire protection butterfly valve is a quarter-turn rotary valve used in industrial fire prevention systems. Butterfly valves are used in sprinklers, standpipes, and fire suppression piping to start, stop, or isolate water flow. Engineers and procurement teams specify these valve types due to fast operation, low weight, UL\/FM listing, and built-in monitoring. All in [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":15213,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-15211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-butterfly-valve"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/15211","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/comments?post=15211"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/15211\/revisions"}],"predecessor-version":[{"id":15215,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/15211\/revisions\/15215"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media\/15213"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media?parent=15211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/categories?post=15211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/tags?post=15211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}