{"id":15187,"date":"2026-05-11T09:00:48","date_gmt":"2026-05-11T01:00:48","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=15187"},"modified":"2026-05-15T09:01:15","modified_gmt":"2026-05-15T01:01:15","slug":"how-butterfly-valves-work","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/how-butterfly-valves-work\/","title":{"rendered":"Hi\u1ec3u v\u1ec1 Ki\u1ec3m so\u00e1t L\u01b0u l\u01b0\u1ee3ng C\u00f4ng nghi\u1ec7p: Van B\u01b0\u1edbm Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o?"},"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\/how-butterfly-valves-work\/#Primary_Butterfly_Valve_Components_and_Functions\" >C\u00e1c b\u1ed9 ph\u1eadn v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a van b\u01b0\u1edbm<\/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\/how-butterfly-valves-work\/#The_Basic_Principle_How_Does_a_Butterfly_Valve_Work\" >Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n: Van b\u01b0\u1edbm ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/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\/how-butterfly-valves-work\/#1_Closed_Position\" >1. V\u1ecb tr\u00ed \u0111\u00f3ng<\/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\/how-butterfly-valves-work\/#2_Open_Position\" >2. V\u1ecb tr\u00ed m\u1edf<\/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\/how-butterfly-valves-work\/#3_Throttling_Flow_Regulation\" >3. \u0110i\u1ec1u ti\u1ebft l\u01b0u l\u01b0\u1ee3ng \/ \u0110i\u1ec1u ch\u1ec9nh d\u00f2ng ch\u1ea3y<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/how-butterfly-valves-work\/#Three_Main_Butterfly_Valve_Design_Types\" >Ba lo\u1ea1i thi\u1ebft k\u1ebf van b\u01b0\u1edbm ch\u00ednh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/how-butterfly-valves-work\/#Concentric_Zero-Offset_Butterfly_Valve\" >Van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m (Zero-Offset)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/how-butterfly-valves-work\/#Double_Offset_High-Performance_Butterfly_Valve\" >Van b\u01b0\u1edbm l\u1ec7ch k\u00e9p (Hi\u1ec7u su\u1ea5t cao)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/how-butterfly-valves-work\/#How_Does_a_Triple_Offset_Butterfly_Valve_Work\" >Van b\u01b0\u1edbm l\u1ec7ch ba ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/how-butterfly-valves-work\/#Industrial_Applications_by_Valve_Type\" >\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p theo lo\u1ea1i van<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/how-butterfly-valves-work\/#Conclusion\" >Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c nh\u00e0 m\u00e1y c\u00f4ng nghi\u1ec7p v\u00e0 c\u01a1 s\u1edf ch\u1ebf bi\u1ebfn, van b\u01b0\u1edbm \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00ec k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n. Ho\u1ea1t \u0111\u1ed9ng r\u1ea5t \u0111\u01a1n gi\u1ea3n. Van qu\u1ea3n l\u00fd d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng b\u1eb1ng c\u00e1ch xoay m\u1ed9t \u0111\u0129a tr\u00f2n b\u00ean trong l\u00f2ng \u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eady, <a href=\"https:\/\/www.xintaivalves.com\/vi\/butterfly-valve-collection\/\" target=\"_blank\" rel=\"noreferrer noopener\">van b\u01b0\u1edbm ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/a> trong \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf?&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi ng\u01b0\u1eddi v\u1eadn h\u00e0nh xoay tr\u1ee5c van 90 \u0111\u1ed9, \u0111\u0129a s\u1ebd xoay vu\u00f4ng g\u00f3c \u0111\u1ec3 ch\u1eb7n d\u00f2ng ch\u1ea3y. Xoay n\u00f3 tr\u1edf l\u1ea1i 0 \u0111\u1ed9 ho\u1eb7c song song v\u1edbi d\u00f2ng ch\u1ea3y s\u1ebd \u0111\u01b0a n\u00f3 v\u1ec1 v\u1ecb tr\u00ed m\u1edf ho\u00e0n to\u00e0n.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. H\u00e0nh \u0111\u1ed9ng xoay nhanh m\u1ed9t ph\u1ea7n t\u01b0 n\u00e0y <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\">2. cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh d\u1eebng, kh\u1edfi \u0111\u1ed9ng ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng. Van b\u01b0\u1edbm c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c nhau nh\u01b0 \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc, h\u01a1i n\u01b0\u1edbc, d\u1ea7u v\u00e0 h\u00f3a ch\u1ea5t.<\/a> 3. \u0110\u1ec3 gi\u00fap b\u1ea1n ch\u1ecdn ph\u1ea7n c\u1ee9ng ph\u00f9 h\u1ee3p cho h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh, h\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1c nguy\u00ean t\u1eafc v\u1eadn h\u00e0nh c\u1ed1t l\u00f5i, c\u00e1c b\u1ed9 ph\u1eadn thi\u1ebft y\u1ebfu.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. c\u1ee7a van b\u01b0\u1edbm <strong>5. , c\u00e1c bi\u1ebfn th\u1ec3 thi\u1ebft k\u1ebf v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee5 th\u1ec3.<\/strong>, 6. L\u00e0 m\u1ed9t k\u1ef9 s\u01b0 ho\u1eb7c ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f4ng nghi\u1ec7p, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u c\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Primary_Butterfly_Valve_Components_and_Functions\"><\/span>C\u00e1c b\u1ed9 ph\u1eadn v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a van b\u01b0\u1edbm<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7. b\u1ed9 ph\u1eadn c\u1ee7a van b\u01b0\u1edbm. <strong>8. \u0110i\u1ec1u n\u00e0y gi\u00fap h\u1ee3p l\u00fd h\u00f3a vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 mua s\u1eafm. <\/strong>9. Ph\u1ea7n sau \u0111\u00e2y tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c b\u1ed9 ph\u1eadn thi\u1ebft y\u1ebfu.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">10. v\u00e0 vai tr\u00f2 c\u1ee5 th\u1ec3 c\u1ee7a ch\u00fang trong vi\u1ec7c ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng: <strong>5. , c\u00e1c bi\u1ebfn th\u1ec3 thi\u1ebft k\u1ebf v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee5 th\u1ec3.<\/strong> 11. Th\u00e2n van:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>12. C\u1ea5u tr\u00fac ch\u00ednh l\u1eafp gi\u1eefa c\u00e1c m\u1eb7t b\u00edch \u1ed1ng. C\u00e1c ki\u1ec3u ph\u1ed5 bi\u1ebfn bao g\u1ed3m th\u00e2n wafer, lug v\u00e0 flanged.<\/strong> 13. \u0110\u0129a van:.<\/li>\n\n\n\n<li><strong>14. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \"c\u00e1nh b\u01b0\u1edbm\". B\u1ed9 ph\u1eadn n\u00e0y c\u1ea3n tr\u1edf d\u00f2ng ch\u1ea3y.<\/strong> 15. Tr\u1ee5c van:.<\/li>\n\n\n\n<li><strong>The Stem:<\/strong> Tr\u1ee5c k\u1ebft n\u1ed1i \u0111\u0129a b\u00ean trong v\u1edbi b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u00ean ngo\u00e0i. N\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb h\u1ee3p kim c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u01b0 SS316 ho\u1eb7c 17-4 PH \u0111\u1ec3 ch\u1ed1ng l\u1ea1i m\u00f4-men xo\u1eafn.<\/li>\n\n\n\n<li><strong>V\u00f2ng \u0111\u1ec7m:<\/strong> V\u00f2ng \u0111\u1ec7m n\u00e0y t\u1ea1o ra \u0111\u1ed9 k\u00edn gi\u1eefa \u0111\u0129a v\u00e0 th\u00e2n van. V\u00f2ng \u0111\u1ec7m c\u00f3 th\u1ec3 l\u00e0 \u0111\u00e0n h\u1ed3i (cao su\/PTFE) ho\u1eb7c kim lo\u1ea1i.<\/li>\n\n\n\n<li><strong>B\u1ed9 truy\u1ec1n \u0111\u1ed9ng:<\/strong> B\u1ed9 truy\u1ec1n \u0111\u1ed9ng cung c\u1ea5p l\u1ef1c \u0111\u1ec3 xoay tr\u1ee5c van, c\u00f3 th\u1ec3 l\u00e0 th\u1ee7 c\u00f4ng, kh\u00ed n\u00e9n ho\u1eb7c \u0111i\u1ec7n.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u1ed9 ph\u1eadn n\u00e0y <strong>5. , c\u00e1c bi\u1ebfn th\u1ec3 thi\u1ebft k\u1ebf v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee5 th\u1ec3.<\/strong> ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 <strong>API 609<\/strong> ho\u1eb7c <strong><a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/standard\/understanding-asme-b16-34-valve-standard\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/standard\/understanding-asme-b16-34-valve-standard\/\" rel=\"noreferrer noopener\">ASME B16.34<\/a><\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n trong c\u00e1c nh\u00e0 m\u00e1y c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Basic_Principle_How_Does_a_Butterfly_Valve_Work\"><\/span>Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n: Van b\u01b0\u1edbm ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<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\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1-1024x512.webp\" alt=\"Van b\u01b0\u1edbm tr\u01b0\u1ee3t ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong vi\u1ec7c ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng?\" class=\"wp-image-15190\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/The-Basic-Principle-How-Does-a-Butterfly-Valve-Work-1.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng r\u1ea5t \u0111\u01a1n gi\u1ea3n. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao h\u1ea7u h\u1ebft c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean c\u00f4ng nghi\u1ec7p tham kh\u1ea3o <strong>video ho\u1ea1t \u0111\u1ed9ng van b\u01b0\u1edbm <\/strong>\u0111\u1ec3 h\u00ecnh dung quy tr\u00ecnh. M\u1ed9t \u0111\u0129a kim lo\u1ea1i \u0111\u01b0\u1ee3c g\u1eafn \u1edf t\u00e2m \u0111\u01b0\u1eddng \u1ed1ng tr\u00ean m\u1ed9t tr\u1ee5c. Tr\u1ee5c k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 truy\u1ec1n \u0111\u1ed9ng b\u00ean ngo\u00e0i th\u00e2n van.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Closed_Position\"><\/span>1. V\u1ecb tr\u00ed \u0111\u00f3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u00f3ng, \u0111\u0129a n\u1eb1m vu\u00f4ng g\u00f3c v\u1edbi l\u1ed7 \u1ed1ng. V\u00e0nh ngo\u00e0i \u00e9p v\u00e0o v\u00f2ng \u0111\u1ec7m trong khi n\u00e9n v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i ho\u1eb7c \u0103n kh\u1edbp v\u1edbi c\u00f4n kim lo\u1ea1i. Kh\u00f4ng c\u00f3 d\u00f2ng ch\u1ea3y \u0111i qua. \u0110\u1ed9 k\u00edn kh\u00edt ph\u1ee5 thu\u1ed9c v\u00e0o l\u1ef1c ti\u1ebfp x\u00fac gi\u1eefa \u0111\u0129a v\u00e0 v\u00f2ng \u0111\u1ec7m c\u0169ng nh\u01b0 c\u1ea5p v\u1eadt li\u1ec7u c\u1ee7a v\u00f2ng \u0111\u1ec7m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Open_Position\"><\/span>2. V\u1ecb tr\u00ed m\u1edf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng xoay tr\u1ee5c van 90\u00b0. \u0110\u0129a b\u00e2y gi\u1edd th\u1eb3ng h\u00e0ng song song v\u1edbi d\u00f2ng ch\u1ea3y. Ch\u1ea5t l\u1ecfng \u0111i qua c\u1ea3 hai m\u1eb7t c\u1ee7a \u0111\u0129a v\u1edbi \u00edt h\u1ea1n ch\u1ebf nh\u1ea5t. Kh\u00f4ng gi\u1ed1ng nh\u01b0 van c\u1ed5ng, \u0111\u0129a van b\u01b0\u1edbm v\u1eabn n\u1eb1m trong \u0111\u01b0\u1eddng \u0111i c\u1ee7a d\u00f2ng ch\u1ea3y, d\u1eabn \u0111\u1ebfn t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t d\u01b0.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/what-is-valve-flow-coefficient\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/what-is-valve-flow-coefficient\/\" rel=\"noreferrer noopener\">Gi\u00e1 tr\u1ecb Cv<\/a> (h\u1ec7 s\u1ed1 l\u01b0u l\u01b0\u1ee3ng) cho van b\u01b0\u1edbm m\u1edf ho\u00e0n to\u00e0n dao \u0111\u1ed9ng t\u1eeb kho\u1ea3ng 35 \u0111\u1ebfn 75 tr\u00ean m\u1ed7i inch \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng danh ngh\u0129a. \u0110i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea5u h\u00ecnh \u0111\u0129a v\u00e0 lo\u1ea1i van.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Throttling_Flow_Regulation\"><\/span>3. \u0110i\u1ec1u ti\u1ebft l\u01b0u l\u01b0\u1ee3ng \/ \u0110i\u1ec1u ch\u1ec9nh d\u00f2ng ch\u1ea3y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng gi\u1ed1ng nh\u01b0 van bi, van b\u01b0\u1edbm c\u00f3 th\u1ec3 m\u1edf theo t\u1eebng giai \u0111o\u1ea1n. G\u00f3c c\u1ee7a \u0111\u0129a x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. Theo c\u00e1ch n\u00e0y, van kh\u00f4ng x\u1ea3 n\u01b0\u1edbc m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, \u1ed5n \u0111\u1ecbnh khi b\u1ea1n m\u1edf n\u00f3. N\u00f3 b\u1eaft \u0111\u1ea7u v\u1edbi l\u01b0\u1ee3ng nh\u1ecf, ch\u00ednh x\u00e1c v\u00e0 t\u0103ng \u0111\u00e1ng k\u1ec3 khi b\u1ea1n \u0111\u1ea1t \u0111\u1ebfn v\u1ecb tr\u00ed m\u1edf ho\u00e0n to\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 c\u00f3 k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c, h\u00e3y s\u1eed d\u1ee5ng b\u1ea3ng Kv\/Cv c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t ho\u1eb7c tham kh\u1ea3o IEC 60534-2-1 \u0111\u1ec3 t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng van \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Three_Main_Butterfly_Valve_Design_Types\"><\/span>Ba lo\u1ea1i thi\u1ebft k\u1ebf van b\u01b0\u1edbm ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types-1024x512.webp\" alt=\"Thi\u1ebft k\u1ebf l\u1ec7ch t\u00e2m h\u00ecnh h\u1ecdc c\u1ee7a van b\u01b0\u1edbm\" class=\"wp-image-15189\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/05\/Three-Main-Butterfly-Valve-Design-Types.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 ba thi\u1ebft k\u1ebf \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean l\u00fd quay m\u1ed9t ph\u1ea7n t\u01b0 v\u00f2ng. S\u1ef1 kh\u00e1c bi\u1ec7t n\u1eb1m \u1edf h\u00ecnh d\u1ea1ng \u0111\u0129a, \u0111\u1ed9 l\u1ec7ch tr\u1ee5c v\u00e0 c\u01a1 ch\u1ebf l\u00e0m k\u00edn.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh v\u1ec1 \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9, tu\u1ed5i th\u1ecd \u0111\u1ec7m v\u00e0 m\u00f4-men xo\u1eafn:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Tham s\u1ed1<\/strong><\/td><td><strong>\u0110\u1ed3ng t\u00e2m (Kh\u00f4ng l\u1ec7ch)<\/strong><\/td><td><strong>B\u00f9 \u0111\u1eafp g\u1ea5p \u0111\u00f4i<\/strong><\/td><td><strong>b\u00f9 ba<\/strong><\/td><\/tr><tr><td>\u00c1p su\u1ea5t t\u1ed1i \u0111a<\/td><td>~17 bar (250 PSI)<\/td><td>~100 bar (1.440 PSI)<\/td><td>~102 bar (1.480 PSI)<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a<\/td><td>~200 \u00b0C<\/td><td>~650 \u00b0C<\/td><td>~650 \u00b0C<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u \u0111\u1ec7m<\/td><td>Cao su (EPDM \/ NBR \/ FKM)<\/td><td>Cao su ho\u1eb7c kim lo\u1ea1i<\/td><td>Kim lo\u1ea1i (l\u1edbp ho\u1eb7c li\u1ec1n kh\u1ed1i)<\/td><\/tr><tr><td>L\u1edbp r\u00f2 r\u1ec9<\/td><td>EN 12266-1 Lo\u1ea1i B<\/td><td>Lo\u1ea1i A ho\u1eb7c B<\/td><td>Lo\u1ea1i A (kh\u00f4ng r\u00f2 r\u1ec9)<\/td><\/tr><tr><td>H\u01b0\u1edbng d\u00f2ng ch\u1ea3y<\/td><td>Hai chi\u1ec1u<\/td><td>H\u01b0\u1edbng \u01b0u ti\u00ean<\/td><td>Ch\u1ec9 m\u1ed9t chi\u1ec1u<\/td><\/tr><tr><td>Ti\u00eau chu\u1ea9n \u0111i\u1ec3n h\u00ecnh<\/td><td>AWWA C504, EN 593<\/td><td>API 609 Danh m\u1ee5c A<\/td><td>API 609 Danh m\u1ee5c B, EN 593<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n sau \u0111\u00e2y kh\u00e1m ph\u00e1 nh\u1eefng \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a t\u1eebng lo\u1ea1i van.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Concentric_Zero-Offset_Butterfly_Valve\"><\/span>Van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m (Zero-Offset)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m c\u00f3 tr\u1ee5c ch\u1ea1y qua t\u00e2m ch\u00ednh x\u00e1c c\u1ee7a \u0111\u0129a. C\u1ea1nh \u0111\u0129a ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ec7m cao su tr\u00ean to\u00e0n b\u1ed9 chu vi c\u1ee7a n\u00f3 trong m\u1ed7i chu k\u1ef3 \u0111\u00f3ng v\u00e0 m\u1edf. S\u1ef1 c\u1ecd x\u00e1t li\u00ean t\u1ee5c n\u00e0y l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ec7m trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 chu k\u1ef3 cao ho\u1eb7c c\u00f3 t\u00ednh \u0103n m\u00f2n.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do \u0111\u00f3, thi\u1ebft k\u1ebf \u0111\u1ed3ng t\u00e2m l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5p n\u01b0\u1edbc \u00e1p su\u1ea5t th\u1ea5p v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u1ecfng n\u00f3i chung. Tuy nhi\u00ean, ch\u00fang ch\u1ec9 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho \u00e1p su\u1ea5t d\u01b0\u1edbi 16 bar (psi).&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van \u0111\u1ed3ng t\u00e2m ho\u1eb7c kh\u00f4ng l\u1ec7ch t\u00e2m \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng gang d\u1ebbo GGG50 v\u1edbi l\u1edbp ph\u1ee7 epoxy, ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 316 cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c h\u1ec7 th\u1ed1ng n\u01b0\u1edbc u\u1ed1ng y\u00eau c\u1ea7u van b\u01b0\u1edbm c\u00f3 \u0111\u1ec7m cao su ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n AWWA C504.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Double_Offset_High-Performance_Butterfly_Valve\"><\/span>Van b\u01b0\u1edbm l\u1ec7ch k\u00e9p (Hi\u1ec7u su\u1ea5t cao)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft k\u1ebf l\u1ec7ch t\u00e2m k\u00e9p t\u1ea1o ra h\u00e0nh \u0111\u1ed9ng \u0111\u00f3ng gi\u1ed1ng nh\u01b0 cam. \u0110\u0129a nh\u1ea5c ra kh\u1ecfi \u0111\u1ec7m trong 10 \u0111\u1ed9 m\u1edf \u0111\u1ea7u ti\u00ean. Sau \u0111\u00f3, n\u00f3 ch\u1ec9 quay tr\u1edf l\u1ea1i ti\u1ebfp x\u00fac ho\u00e0n to\u00e0n v\u1edbi \u0111\u1ec7m trong 10 \u0111\u1ed9 \u0111\u00f3ng cu\u1ed1i c\u00f9ng. Kh\u00f4ng c\u00f3 ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ec7m trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u00f4-men xo\u1eafn v\u1eadn h\u00e0nh th\u1ea5p h\u01a1n v\u00e0 tu\u1ed5i th\u1ecd \u0111\u1ec7m k\u00e9o d\u00e0i, gi\u00fap van ph\u00f9 h\u1ee3p cho c\u00e1c \u0111\u01b0\u1eddng h\u01a1i n\u01b0\u1edbc, d\u1ea7u kh\u00ed v\u00e0 n\u01b0\u1edbc \u00e1p su\u1ea5t cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i tu\u00e2n theo h\u01b0\u1edbng d\u00f2ng ch\u1ea3y \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t l\u00e0m k\u00edn.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/vi\/product\/double-eccentric-butterfly-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">Van l\u1ec7ch k\u00e9p<\/a> y\u00eau c\u1ea7u API 609 H\u1ea1ng A v\u00e0 ASME \u00c1p su\u1ea5t L\u1edbp 150 \u0111\u1ebfn 600 (PN 10 \u0111\u1ebfn PN 100).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_a_Triple_Offset_Butterfly_Valve_Work\"><\/span>Van b\u01b0\u1edbm l\u1ec7ch ba ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft k\u1ebf l\u1ec7ch ba th\u00eam m\u1ed9t \u0111\u1ed9 l\u1ec7ch h\u00ecnh h\u1ecdc th\u1ee9 ba: b\u1ec1 m\u1eb7t l\u00e0m k\u00edn h\u00ecnh n\u00f3n tr\u00ean \u0111\u0129a v\u00e0 \u0111\u1ec7m.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ba \u0111\u1ed9 l\u1ec7ch ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 l\u1ec7ch 1:<\/strong> tr\u1ee5c th\u00e2n van n\u1eb1m sau \u0111\u01b0\u1eddng t\u00e2m \u0111\u0129a<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 l\u1ec7ch 2:<\/strong> tr\u1ee5c th\u00e2n van l\u1ec7ch kh\u1ecfi \u0111\u01b0\u1eddng t\u00e2m l\u1ed7<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 l\u1ec7ch 3:<\/strong> tr\u1ee5c ti\u1ebfp x\u00fac \u0111\u0129a v\u00e0 \u0111\u1ec7m nghi\u00eang th\u00e0nh h\u00ecnh n\u00f3n vu\u00f4ng g\u00f3c \u2014 t\u1ea1o ra m\u1ed9t m\u1ed1i h\u00e0n k\u00edn kh\u00f4ng c\u1ecd x\u00e1t, kh\u00f4ng ma s\u00e1t<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00ecnh d\u1ea1ng h\u00ecnh n\u00f3n c\u00f3 ngh\u0129a l\u00e0 \u0111\u0129a v\u00e0 \u0111\u1ec7m ch\u1ec9 ti\u1ebfp x\u00fac t\u1ea1i \u0111i\u1ec3m \u0111\u00f3ng cu\u1ed1i c\u00f9ng. Kh\u00f4ng c\u00f3 ma s\u00e1t tr\u01b0\u1ee3t trong to\u00e0n b\u1ed9 cung chuy\u1ec3n \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n s\u1ef1 m\u00e0i m\u00f2n \u0111\u1ec7m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Theo h\u01b0\u1edbng d\u00f2ng ch\u1ea3y thu\u1eadn (\u01b0u ti\u00ean), \u00e1p su\u1ea5t \u0111\u01b0\u1eddng \u1ed1ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1ef1c t\u1ef1 k\u00edch ho\u1ea1t: \u00e1p su\u1ea5t cao h\u01a1n l\u00e0m t\u0103ng l\u1ef1c \u00e9p, l\u00e0m ch\u1eb7t kh\u1ea3 n\u0103ng \u0111\u00f3ng k\u00edn. L\u1eafp \u0111\u1eb7t ng\u01b0\u1ee3c l\u00e0m m\u1ea5t t\u00e1c d\u1ee5ng n\u00e0y v\u00e0 gi\u1ea3m l\u1ef1c ti\u1ebfp x\u00fac \u0111\u1ec7m.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e0m k\u00edn kim lo\u1ea1i v\u1edbi kim lo\u1ea1i \u0111\u1ea1t ti\u00eau chu\u1ea9n EN 12266-1 H\u1ea1ng A (kh\u00f4ng r\u00f2 r\u1ec9) v\u00e0 \u0111\u00e1p \u1ee9ng ki\u1ec3m tra API 598. Van l\u1ec7ch ba \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1ea3n xu\u1ea5t \u0111i\u1ec7n,<\/strong> nh\u01b0 \u0111\u01b0\u1eddng \u1ed1ng x\u1ea3 h\u01a1i tuabin, h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc l\u00f2 h\u01a1i (ho\u1ea1t \u0111\u1ed9ng \u1edf 540 \u00b0C \/ 1.000 \u00b0F)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00a0<\/strong><strong>L\u1ecdc h\u00f3a d\u1ea7u &amp; h\u00f3a d\u1ea7u <\/strong>v\u1edbi c\u00e1ch ly hydrocarbon, d\u1ecbch v\u1ee5 ch\u1ed1ng ch\u00e1y theo API 607<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nh\u00e0 ga LNG<\/strong> v\u1edbi d\u1ecbch v\u1ee5 \u0111\u00f4ng l\u1ea1nh xu\u1ed1ng \u0111\u1ebfn \u2212196 \u00b0C<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u01a1i n\u01b0\u1edbc nhi\u1ec7t \u0111\u1ed9 cao<\/strong> v\u1edbi l\u1edbp \u00e1p su\u1ea5t ASME 600 \u0111\u1ebfn 2500<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 h\u1ecfi, <strong>van b\u01b0\u1edbm tr\u01b0\u1ee3t ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/strong>? Tr\u00ean th\u1ef1c t\u1ebf, van b\u01b0\u1edbm kh\u00f4ng th\u1ef1c s\u1ef1 \u201ctr\u01b0\u1ee3t\u201d nh\u01b0 van c\u1ed5ng. Chuy\u1ec3n \u0111\u1ed9ng tr\u01b0\u1ee3t ho\u1eb7c qu\u00e9t \u0111\u1eb7c tr\u01b0ng b\u1edfi s\u1ef1 di chuy\u1ec3n t\u1eeb m\u1edf sang \u0111\u00f3ng.&nbsp;<\/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: 0.95rem;\n    color: #555;\n    margin-bottom: 18px;\n    line-height: 1.6;\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:\/\/chromewebstore.google.com\/detail\/google-docs-image-downloa\/hianihdegmgmncofmgmelljbighbfjcp\" target=\"_blank\" rel=\"noopener nofollow\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/xintaivalves.com\/wp-content\/uploads\/2022\/02\/%E5%AF%B9%E7%84%8A%E5%BC%8F%E4%B8%89%E5%81%8F%E5%BF%83%E5%A4%9A%E5%B1%82%E6%AC%A1%E7%A1%AC%E5%AF%86%E5%B0%81%E8%9D%B6%E9%98%80.jpg\" alt=\"VAN B\u01af\u1edaM L\u1eacP T\u1ee8C BA\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">VAN B\u01af\u1edaM L\u1eacP T\u1ee8C BA<\/div>\n    <div class=\"hero-description\">\n      <strong>K\u00edch th\u01b0\u1edbc:<\/strong> 3\u2033~72\u2033 (DN80~DN1800)<br>\n      <strong>\u00c1p su\u1ea5t:<\/strong> CL150 (PN6\uff5ePN25)<br>\n      <strong>Lo\u1ea1i k\u1ebft n\u1ed1i:<\/strong> FLG<br>\n      <strong>Ti\u00eau chu\u1ea9n:<\/strong> ASME B16.34 \/ API-609\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=\"Industrial_Applications_by_Valve_Type\"><\/span>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p theo lo\u1ea1i van<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/strong><\/td><td><strong>D\u1ecbch v\u1ee5 \u0111i\u1ec3n h\u00ecnh<\/strong><\/td><td><strong>Lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/strong><\/td><\/tr><tr><td>N\u01b0\u1edbc &amp; N\u01b0\u1edbc th\u1ea3i<\/td><td>C\u00e1ch ly d\u00f2ng ch\u1ea3y, \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh DN80\u2013DN2000<\/td><td>\u0110\u1ed3ng t\u00e2m, AWWA C504<\/td><\/tr><tr><td>D\u00e2u khi<\/td><td>\u0110\u01b0\u1eddng \u1ed1ng quy tr\u00ecnh, c\u00e1ch ly ch\u1ed1ng ch\u00e1y<\/td><td>Offset k\u00e9p, API 609 Cat. A<\/td><\/tr><tr><td>L\u1ecdc h\u00f3a d\u1ea7u \/ H\u00f3a d\u1ea7u<\/td><td>T\u00e1ch hydrocacbon, h\u01a1i n\u01b0\u1edbc nhi\u1ec7t \u0111\u1ed9 cao<\/td><td>Ba l\u1ea7n l\u1ec7ch t\u00e2m, API 609 Cat. B \/ API 607<\/td><\/tr><tr><td>S\u1ea3n xu\u1ea5t \u0111i\u1ec7n<\/td><td>Van bypass tuabin, c\u1ea5p n\u01b0\u1edbc l\u00f2 h\u01a1i \u1edf &gt;540 \u00b0C<\/td><td>Ba l\u1ea7n l\u1ec7ch t\u00e2m, ASME Class 600\u20132500<\/td><\/tr><tr><td>Th\u1ef1c ph\u1ea9m &amp; \u0110\u1ed3 u\u1ed1ng<\/td><td>Ph\u01b0\u01a1ng ti\u1ec7n v\u1ec7 sinh, \u0111\u01b0\u1eddng \u1ed1ng t\u01b0\u01a1ng th\u00edch CIP<\/td><td>\u0110\u1ed3ng t\u00e2m, th\u00e2n 316 SS, NSF\/ANSI 61<\/td><\/tr><tr><td>Khai th\u00e1c m\u1ecf \/ B\u00f9n<\/td><td>B\u00f9n m\u00e0i m\u00f2n, t\u00e1ch chu k\u1ef3 cao<\/td><td>\u0110\u0129a tr\u01b0\u1ee3t ho\u1eb7c l\u1ec7ch t\u00e2m k\u00e9p, \u0111\u0129a l\u00f3t<\/td><\/tr><\/tbody><\/table><\/figure>\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\">Van b\u01b0\u1edbm l\u00e0 l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n cho vi\u1ec7c \u0111\u00f3ng nhanh trong h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p. Van \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch xoay m\u1ed9t \u0111\u0129a 90\u00b0 b\u00ean trong l\u00f2ng \u1ed1ng. H\u00e0nh \u0111\u1ed9ng quay m\u1ed9t ph\u1ea7n t\u01b0 v\u00f2ng n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c t\u00ecnh hu\u1ed1ng \u0111\u00f3ng kh\u1ea9n c\u1ea5p.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 ba thi\u1ebft k\u1ebf van b\u01b0\u1edbm ch\u00ednh: \u0111\u1ed3ng t\u00e2m, l\u1ec7ch t\u00e2m k\u00e9p v\u00e0 l\u1ec7ch t\u00e2m ba l\u1ea7n. M\u1ed7i van bao ph\u1ee7 c\u00e1c l\u1edbp \u00e1p su\u1ea5t t\u1eeb PN10 \u0111\u1ebfn PN250 v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u1eeb \u2212196 \u00b0C \u0111\u1ebfn 650 \u00b0C. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u <a href=\"https:\/\/www.xintaivalves.com\/vi\/product\/centerline-wafer-type-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">5. , c\u00e1c bi\u1ebfn th\u1ec3 thi\u1ebft k\u1ebf v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee5 th\u1ec3.<\/a> \u0111\u1ec3 gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u00fang lo\u1ea1i cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Xintai Valve s\u1ea3n xu\u1ea5t van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m, l\u1ec7ch t\u00e2m k\u00e9p v\u00e0 l\u1ec7ch t\u00e2m ba l\u1ea7n theo c\u00e1c ti\u00eau chu\u1ea9n API 609, EN 593, AWWA C504 v\u00e0 ISO 5752. Li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc, l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 m\u00f4-men xo\u1eafn b\u1ed9 truy\u1ec1n \u0111\u1ed9ng theo \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/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>In industrial plants and processing facilities, butterfly valves are deployed for their compact footprint and straightforward operation. The operation is simple. The valve manages fluid flow by rotating a circular disc within the pipe bore. So, how does a butterfly valve work in a real-world application?&nbsp; When an operator turns the stem 90 degrees, the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":15224,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-15187","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\/15187","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=15187"}],"version-history":[{"count":4,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/15187\/revisions"}],"predecessor-version":[{"id":15194,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/15187\/revisions\/15194"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media\/15224"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media?parent=15187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/categories?post=15187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/tags?post=15187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}