{"id":15689,"date":"2026-06-01T09:00:00","date_gmt":"2026-06-01T01:00:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=15689"},"modified":"2026-06-25T12:29:28","modified_gmt":"2026-06-25T04:29:28","slug":"technical-guide-centric-butterfly-valve","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/","title":{"rendered":"Van b\u01b0\u1edbm t\u00e2m l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 cho ng\u01b0\u1eddi mua 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\/technical-guide-centric-butterfly-valve\/#How_a_Centric_Butterfly_Valve_Works\" >Van b\u01b0\u1edbm t\u00e2m 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\/technical-guide-centric-butterfly-valve\/#Types_of_Centric_Butterfly_Valves_by_End_Connection\" >C\u00e1c lo\u1ea1i van b\u01b0\u1edbm t\u00e2m theo k\u1ebft n\u1ed1i cu\u1ed1i<\/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\/technical-guide-centric-butterfly-valve\/#Wafer_Type_Butterfly_Valve\" >Van b\u01b0\u1edbm lo\u1ea1i 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\/technical-guide-centric-butterfly-valve\/#Lug_Type_Butterfly_Valve\" >Van b\u01b0\u1edbm lo\u1ea1i v\u1ea5u<\/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\/technical-guide-centric-butterfly-valve\/#Double_Flanged_Butterfly_Valve\" >Van b\u01b0\u1edbm hai m\u1eb7t b\u00edch<\/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\/technical-guide-centric-butterfly-valve\/#What_are_the_Differences_Between_a_Centric_vs_Double_Offset_Butterfly_Valve\" >S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa van b\u01b0\u1edbm t\u00e2m v\u00e0 van b\u01b0\u1edbm l\u1ec7ch t\u00e2m k\u00e9p l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#Design_Specifications_and_Materials\" >Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf v\u00e0 v\u1eadt li\u1ec7u<\/a><\/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\/technical-guide-centric-butterfly-valve\/#What_Are_the_Strengths_and_Weaknesses_of_CentricConcentric_Valves\" >\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a van t\u00e2m\/\u0111\u1ed3ng t\u00e2m l\u00e0 g\u00ec?<\/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\/technical-guide-centric-butterfly-valve\/#Where_Are_Concentric_or_Centric_Valves_Used_in_Industry\" >Van \u0111\u1ed3ng t\u00e2m ho\u1eb7c van t\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u trong 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-10\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/butterfly-valve\/technical-guide-centric-butterfly-valve\/#How_to_Select_the_Right_Centric_or_Center-line_Butterfly_Valve\" >C\u00e1ch ch\u1ecdn van b\u01b0\u1edbm t\u00e2m ho\u1eb7c van b\u01b0\u1edbm t\u00e2m \u0111\u01b0\u1eddng t\u00e2m ph\u00f9 h\u1ee3p<\/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\/technical-guide-centric-butterfly-valve\/#Conclusion\" >Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">C\u00e1c <strong>t\u00e2m<\/strong><a href=\"https:\/\/www.xintaivalves.com\/vi\/product\/centerline-wafer-type-butterfly-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong> van b\u01b0\u1edbm<\/strong><\/a> l\u00e0 m\u1ed9t van quay m\u1ed9t ph\u1ea7n t\u01b0 v\u1edbi th\u00e2n v\u00e0 \u0111\u0129a \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf t\u00e2m, cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y b\u1eadt\/t\u1eaft trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p. N\u00f3 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m, van b\u01b0\u1edbm t\u00e2m \u0111\u01b0\u1eddng t\u00e2m ho\u1eb7c van b\u01b0\u1edbm kh\u00f4ng l\u1ec7ch t\u00e2m.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ho\u1ea1t \u0111\u1ed9ng quay m\u1ed9t ph\u1ea7n t\u01b0 \u0111\u01a1n gi\u1ea3n c\u1ee7a n\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao n\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/valves-for-water-treatment\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/valves-for-water-treatment\/\" rel=\"noreferrer noopener\">x\u1eed l\u00fd n\u01b0\u1edbc<\/a>, s\u1ea3n xu\u1ea5t \u0111i\u1ec7n v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p th\u00f4ng tin v\u1ec1 thi\u1ebft k\u1ebf c\u1ee7a <strong>van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m<\/strong>, ch\u1ee9c n\u0103ng, c\u00e1c lo\u1ea1i, \u01b0u \u0111i\u1ec3m v\u00e0 c\u00e1c l\u0129nh v\u1ef1c m\u00e0 ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u00e0nh c\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_a_Centric_Butterfly_Valve_Works\"><\/span><strong><br>Van b\u01b0\u1edbm t\u00e2m ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722-1024x512.webp\" alt=\"Van b\u01b0\u1edbm t\u00e2m ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o\" class=\"wp-image-15691\" style=\"width:564px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724722.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Van bi l\u1ec7ch t\u00e2m ho\u1eb7c \u0111\u1ed3ng t\u00e2m ho\u1ea1t \u0111\u1ed9ng v\u1edbi thao t\u00e1c xoay m\u1ed9t ph\u1ea7n t\u01b0 \u0111\u01a1n gi\u1ea3n v\u00e0 thi\u1ebft k\u1ebf th\u1eb3ng. Bi\u1ebft nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng n\u00e0y gi\u00fap b\u1ea1n kh\u1edbp van v\u1edbi \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u h\u00ecnh kh\u00f4ng l\u1ec7ch t\u00e2m n\u00e0y c\u00f3 ba b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh tr\u00ean m\u1ed9t tr\u1ee5c trung t\u00e2m duy nh\u1ea5t: tr\u1ee5c, \u0111\u0129a v\u00e0 th\u00e2n van. V\u00ec s\u1ef1 c\u0103n ch\u1ec9nh \u0111\u1ed3ng t\u00e2m n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac x\u00e1c \u0111\u1ecbnh c\u1ee7a n\u00f3, n\u00ean n\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m ho\u1eb7c kh\u00f4ng l\u1ec7ch t\u00e2m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u0129a \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean m\u1ed9t tr\u1ee5c trung t\u00e2m v\u00e0 n\u1eb1m tr\u1ef1c ti\u1ebfp trong \u0111\u01b0\u1eddng \u0111i c\u1ee7a d\u00f2ng ch\u1ea3y. Xoay tr\u1ee5c 90 \u0111\u1ed9 di chuy\u1ec3n \u0111\u0129a t\u1eeb v\u1ecb tr\u00ed m\u1edf ho\u00e0n to\u00e0n (song song v\u1edbi d\u00f2ng ch\u1ea3y) sang v\u1ecb tr\u00ed \u0111\u00f3ng ho\u00e0n to\u00e0n (vu\u00f4ng g\u00f3c v\u1edbi d\u00f2ng ch\u1ea3y).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede v\u1ecb tr\u00ed \u0111\u00f3ng, \u0111\u0129a n\u00e9n v\u00e0o v\u00f2ng \u0111\u1ec7m \u0111\u00e0n h\u1ed3i. V\u00f2ng \u0111\u1ec7m bi\u1ebfn d\u1ea1ng nh\u1eb9 d\u01b0\u1edbi \u00e1p l\u1ef1c. S\u1ef1 bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i n\u00e0y t\u1ea1o ra m\u1ed9t l\u1edbp \u0111\u1ec7m k\u00edn kh\u00ed, ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i n\u00e0y mang l\u1ea1i kh\u1ea3 n\u0103ng \u0111\u00f3ng ng\u1eaft hai chi\u1ec1u k\u00edn kh\u00ed, kh\u00f4ng r\u00f2 r\u1ec9, \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn theo ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m API 598. N\u00f3 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 van b\u01b0\u1edbm c\u00f3 \u0111\u1ec7m \u0111\u00e0n h\u1ed3i do thi\u1ebft k\u1ebf v\u00f2ng \u0111\u1ec7m \u0111\u00e0n h\u1ed3i n\u00e0y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Types_of_Centric_Butterfly_Valves_by_End_Connection\"><\/span><strong>C\u00e1c lo\u1ea1i van b\u01b0\u1edbm t\u00e2m theo k\u1ebft n\u1ed1i cu\u1ed1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723-1024x512.webp\" alt=\"3 lo\u1ea1i van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m theo k\u1ebft n\u1ed1i cu\u1ed1i\" class=\"wp-image-15692\" style=\"width:646px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724723.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 ba lo\u1ea1i k\u1ebft n\u1ed1i \u0111\u1ea7u ch\u00ednh ph\u1ee5c v\u1ee5 c\u00e1c nhu c\u1ea7u l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng kh\u00e1c nhau. Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chi ph\u00ed l\u1eafp \u0111\u1eb7t, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn b\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Wafer_Type_Butterfly_Valve\"><\/span><strong>Van b\u01b0\u1edbm lo\u1ea1i wafer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Van b\u01b0\u1edbm lo\u1ea1i wafer l\u1eafp gi\u1eefa hai m\u1eb7t b\u00edch \u1ed1ng b\u1eb1ng bu l\u00f4ng xuy\u00ean. Th\u00e2n van kh\u00f4ng c\u00f3 m\u1eb7t b\u00edch t\u00edch h\u1ee3p. \u0110i\u1ec1u n\u00e0y gi\u00fap thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn v\u00e0 nh\u1eb9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lo\u1ea1i wafer l\u00e0 l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t cho d\u1ecbch v\u1ee5 th\u00f4ng th\u01b0\u1eddng. Ti\u00eau chu\u1ea9n <strong>K\u00edch th\u01b0\u1edbc van b\u01b0\u1edbm lo\u1ea1i wafer<\/strong> tu\u00e2n theo API 609, BS EN 558-1 v\u00e0 ASME B16.10. Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc bao g\u1ed3m DN 40 \u0111\u1ebfn DN 600.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lug_Type_Butterfly_Valve\"><\/span><strong>Van b\u01b0\u1edbm lo\u1ea1i v\u1ea5u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <strong>van b\u01b0\u1edbm ki\u1ec3u v\u1ea5u<\/strong> c\u00f3 c\u00e1c ren \u0111\u00fac s\u1eb5n trong th\u00e2n van. M\u1ed7i m\u1eb7t b\u00edch \u1ed1ng \u0111\u01b0\u1ee3c b\u1eaft v\u00edt v\u00e0o van m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p th\u00e1o m\u1ed9t b\u00ean \u0111\u01b0\u1eddng \u1ed1ng m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u00ean kia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3 ph\u00f9 h\u1ee3p cho d\u1ecbch v\u1ee5 \u0111\u1ea7u cu\u1ed1i v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u th\u00e1o d\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng h\u1ea1 l\u01b0u \u0111\u1ecbnh k\u1ef3. C\u00e1c nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn v\u00e0 m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i n\u01b0\u1edbc th\u01b0\u1eddng s\u1eed d\u1ee5ng lo\u1ea1i n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Double_Flanged_Butterfly_Valve\"><\/span><strong>Van b\u01b0\u1edbm hai m\u1eb7t b\u00edch<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <strong>van b\u01b0\u1edbm hai m\u1eb7t b\u00edch<\/strong> c\u00f3 m\u1eb7t b\u00edch t\u00edch h\u1ee3p \u1edf c\u1ea3 hai \u0111\u1ea7u. N\u00f3 \u0111\u01b0\u1ee3c b\u1eaft v\u00edt tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c m\u1eb7t b\u00edch \u1ed1ng t\u01b0\u01a1ng \u1ee9ng. Th\u00e2n n\u1eb7ng h\u01a1n ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc \u1ed1ng l\u1edbn h\u01a1n v\u00e0 \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng kh\u1eaft khe h\u01a1n. \u0110i\u1ec1u n\u00e0y ho\u00e0n to\u00e0n kh\u00e1c v\u1edbi <strong>van b\u01b0\u1edbm l\u1ec7ch k\u00e9p,<\/strong> s\u1ebd \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn trong ph\u1ea7n ti\u1ebfp theo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u01b0\u1eddng \u1ed1ng ch\u00ednh c\u1ea5p n\u01b0\u1edbc, m\u1ea1ch l\u00e0m m\u00e1t nh\u00e0 m\u00e1y \u0111i\u1ec7n v\u00e0 c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1eddng k\u00ednh l\u1edbn s\u1eed d\u1ee5ng lo\u1ea1i n\u00e0y. Y\u00eau c\u1ea7u <strong>danh m\u1ee5c van b\u01b0\u1edbm hai m\u1eb7t b\u00edch<\/strong> t\u1eeb Xintai Valve \u0111\u1ec3 bi\u1ebft chi ti\u1ebft c\u1ea5u h\u00ecnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_Differences_Between_a_Centric_vs_Double_Offset_Butterfly_Valve\"><\/span><strong>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa van b\u01b0\u1edbm t\u00e2m v\u00e0 van b\u01b0\u1edbm l\u1ec7ch t\u00e2m k\u00e9p l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa van b\u01b0\u1edbm l\u1ec7ch t\u00e2m v\u00e0 van b\u01b0\u1edbm <strong><a href=\"https:\/\/www.xintaivalves.com\/vi\/knowledge-center\/difference-between-double-offset-and-triple-offset-butterfly-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/knowledge-center\/difference-between-double-offset-and-triple-offset-butterfly-valve\/\" rel=\"noreferrer noopener\">l\u1ec7ch t\u00e2m k\u00e9p<\/a><\/strong> n\u1eb1m \u1edf s\u1ef1 th\u1eb3ng h\u00e0ng c\u1ee7a tr\u1ee5c ho\u1eb7c \u0111\u0129a.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bi\u1ebft \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 ng\u0103n ng\u1eeba c\u00e1c l\u1ed7i ch\u1ec9 \u0111\u1ecbnh t\u1ed1n k\u00e9m.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Van b\u01b0\u1edbm l\u1ec7ch t\u00e2m ho\u1eb7c kh\u00f4ng l\u1ec7ch t\u00e2m<\/strong>: Tr\u1ee5c th\u1eb3ng h\u00e0ng v\u1edbi \u0111\u01b0\u1eddng t\u00e2m c\u1ee7a \u0111\u0129a v\u00e0 th\u00e2n van. V\u00f2ng \u0111\u1ec7m l\u00e0 v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i m\u1ec1m. N\u00f3 x\u1eed l\u00fd c\u00e1c c\u1ea5p \u00e1p su\u1ea5t ti\u00eau chu\u1ea9n: PN 6, PN 10, PN 16 v\u00e0 Class 150. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed s\u1ea1ch ho\u1eb7c \u0103n m\u00f2n nh\u1eb9.<\/li>\n\n\n\n<li><strong>Van b\u01b0\u1edbm l\u1ec7ch t\u00e2m k\u00e9p<\/strong>: Tr\u1ee5c c\u00f3 hai \u0111i\u1ec3m l\u1ec7ch kh\u1ecfi \u0111\u01b0\u1eddng t\u00e2m c\u1ee7a \u0111\u0129a. V\u00f2ng \u0111\u1ec7m b\u1eb1ng kim lo\u1ea1i ho\u1eb7c PTFE. N\u00f3 x\u1eed l\u00fd \u00e1p su\u1ea5t cao h\u01a1n, nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n v\u00e0 m\u00f4i tr\u01b0\u1eddng m\u00e0i m\u00f2n. Chi ph\u00ed cao h\u01a1n nh\u01b0ng k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed8T <strong>h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng van b\u01b0\u1edbm l\u1ec7ch t\u00e2m<\/strong> th\u01b0\u1eddng bao g\u1ed3m ho\u1ea1t \u0111\u1ed9ng quay m\u1ed9t ph\u1ea7n t\u01b0 b\u1eb1ng tay \u0111\u00f2n ho\u1eb7c h\u1ed9p s\u1ed1. \u0110\u1ebf l\u1eafp theo ti\u00eau chu\u1ea9n ISO 5211 ph\u00f9 h\u1ee3p v\u1edbi b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111i\u1ec7n, kh\u00ed n\u00e9n v\u00e0 th\u1ee7y l\u1ef1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Design_Specifications_and_Materials\"><\/span><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf v\u00e0 v\u1eadt li\u1ec7u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c th\u00f4ng s\u1ed1 n\u00e0y x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van b\u01b0\u1edbm l\u1ec7ch t\u00e2m ti\u00eau chu\u1ea9n ho\u1eb7c kh\u00f4ng l\u1ec7ch t\u00e2m. S\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 x\u00e1c minh kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi ch\u1ec9 \u0111\u1ecbnh.<\/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>Gi\u00e1 tr\u1ecb<\/strong><\/td><\/tr><tr><td><strong>Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc<\/strong><\/td><td>DN 40 \u0111\u1ebfn DN 600<\/td><\/tr><tr><td><strong>M\u1ee9c \u00e1p su\u1ea5t<\/strong><\/td><td>PN 6 \/ PN 10 \/ PN 16 \/ Class 150<\/td><\/tr><tr><td><strong>Ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf<\/strong><\/td><td>API 609 \/ BS EN 593 \/ IS: 13095<\/td><\/tr><tr><td><strong>M\u1eb7t \u0111\u1ed1i m\u1eb7t Dim.<\/strong><\/td><td>API 609 \/ BS EN 558-1 \/ ASME B16.10<\/td><\/tr><tr><td><strong>Ti\u00eau chu\u1ea9n ki\u1ec3m tra<\/strong><\/td><td>API 598 \/ BS EN 12266 Ph\u1ea7n 1<\/td><\/tr><tr><td><strong>L\u1eafp \u0111\u1eb7t b\u1ed9 truy\u1ec1n \u0111\u1ed9ng<\/strong><\/td><td>ISO 5211<\/td><\/tr><tr><td><strong>Khoan m\u1eb7t b\u00edch<\/strong><\/td><td>ASME B16.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u1eadt li\u1ec7u th\u00e2n v\u00e0 \u0111\u0129a: <\/strong>Gang, gang d\u1ebbo (ph\u1ee7 nylon ho\u1eb7c epoxy), CF8, CF8M.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u1eadt li\u1ec7u gio\u0103ng l\u00e0m k\u00edn: <\/strong>EPDM, NBR, Viton, silicone, PTFE, Hypalon v\u00e0 Neoprene. Ch\u1ecdn v\u1eadt li\u1ec7u gio\u0103ng d\u1ef1a tr\u00ean m\u00f4i ch\u1ea5t v\u00e0 \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc c\u1ee7a n\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Thi\u1ebft k\u1ebf th\u00e2n van: <\/strong>Tr\u1ee5c ch\u1ed1ng bung. Ng\u0103n tr\u1ee5c b\u1ecb \u0111\u1ea9y ra d\u01b0\u1edbi \u00e1p su\u1ea5t. Cho ph\u00e9p th\u00e1o r\u1eddi van an to\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gi\u1eef gio\u0103ng: <\/strong>Thi\u1ebft k\u1ebf gio\u0103ng kh\u00f3a trung t\u00e2m lo\u1ea1i b\u1ecf chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a gio\u0103ng trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng v\u00e0 m\u1edf \u0111\u0129a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_the_Strengths_and_Weaknesses_of_CentricConcentric_Valves\"><\/span><strong>\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a van t\u00e2m\/\u0111\u1ed3ng t\u00e2m l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 gi\u00fap ng\u01b0\u1eddi mua \u0111\u01b0a ra l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t, \u0111\u00e2y l\u00e0 so s\u00e1nh \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m ho\u1eb7c zero-offset.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Thu\u1eadn l\u1ee3i<\/strong><\/td><td><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong><\/td><\/tr><tr><td>Th\u00e2n nh\u1ecf g\u1ecdn, tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9. Gi\u1ea3m y\u00eau c\u1ea7u v\u1ec1 gi\u00e1 \u0111\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 nh\u00e2n c\u00f4ng trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/td><td>Thi\u1ebft k\u1ebf gio\u0103ng m\u1ec1m gi\u1edbi h\u1ea1n d\u1ecbch v\u1ee5 \u1edf c\u00e1c c\u1ea5p \u00e1p su\u1ea5t PN 6 \u0111\u1ebfn PN 16 \/ Class 150.<\/td><\/tr><tr><td>M\u00f4-men xo\u1eafn v\u1eadn h\u00e0nh th\u1ea5p. Cho ph\u00e9p s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n \u0111\u1ed9ng nh\u1ecf h\u01a1n, chi ph\u00ed th\u1ea5p h\u01a1n.<\/td><td>Kh\u00f4ng khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng cho h\u01a1i n\u01b0\u1edbc nhi\u1ec7t \u0111\u1ed9 cao n\u1ebfu kh\u00f4ng ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u gio\u0103ng.<\/td><\/tr><tr><td>\u00cdt b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng. Gi\u1ea3m t\u1ea7n su\u1ea5t b\u1ea3o tr\u00ec v\u00e0 t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/td><td>\u0110\u0129a van v\u1eabn n\u1eb1m trong \u0111\u01b0\u1eddng d\u00f2ng ch\u1ea3y khi m\u1edf. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra s\u1ef1 s\u1ee5t \u00e1p nh\u1ecf nh\u01b0ng c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c.<\/td><\/tr><tr><td>Van \u0111\u00f3ng\/m\u1edf hai chi\u1ec1u. Ni\u00eam phong \u1edf c\u1ea3 hai h\u01b0\u1edbng d\u00f2ng ch\u1ea3y.<\/td><td><\/td><\/tr><tr><td>D\u1ea3i v\u1eadt li\u1ec7u seat r\u1ed9ng. X\u1eed l\u00fd h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i ch\u1ea5t l\u1ecfng, kh\u00ed v\u00e0 b\u1ed9t.<\/td><td><\/td><\/tr><tr><td>L\u1ed7 th\u00e2n van c\u00f9ng k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng \u1ed1ng. T\u1ed1i \u0111a h\u00f3a l\u01b0u l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ee5t \u00e1p.<\/td><td><\/td><\/tr><tr><td>Ph\u1ee5c v\u1ee5 c\u1ea3 nhi\u1ec7m v\u1ee5 c\u00f4 l\u1eadp \u0111\u00f3ng\/m\u1edf v\u00e0 \u0111i\u1ec1u ch\u1ec9nh\/ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng.<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_Are_Concentric_or_Centric_Valves_Used_in_Industry\"><\/span><strong>Van \u0111\u1ed3ng t\u00e2m ho\u1eb7c van t\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u trong c\u00f4ng nghi\u1ec7p?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724-1024x512.webp\" alt=\"Van \u0111\u1ed3ng t\u00e2m ho\u1eb7c t\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p\" class=\"wp-image-15693\" style=\"width:686px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724-1024x512.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724-300x150.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724-768x384.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724-18x9.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724724.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <strong>van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m<\/strong> ph\u1ee5c v\u1ee5 nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi c\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n, k\u00edch th\u01b0\u1edbc \u1ed1ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n \u0111\u1ed9ng kh\u00e1c nhau th\u00fac \u0111\u1ea9y vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c van n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>X\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 n\u01b0\u1edbc th\u1ea3i: <\/strong>\u0110\u00f4ng t\u1ee5, l\u1eafng, l\u1ecdc v\u00e0 kh\u1eed tr\u00f9ng. X\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng l\u1edbn v\u1edbi kh\u1ea3 n\u0103ng \u0111\u00f3ng k\u00edn.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/power-plant-valves-guide-types-functions\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/gate-valve\/power-plant-valves-guide-types-functions\/\" rel=\"noreferrer noopener\">S\u1ea3n xu\u1ea5t \u0111i\u1ec7n<\/a>: <\/strong>H\u1ec7 th\u1ed1ng n\u01b0\u1edbc l\u00e0m m\u00e1t, \u0111\u01b0\u1eddng \u1ed1ng ng\u01b0ng t\u1ee5 v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 ph\u1ee5 tr\u1ee3.<\/li>\n\n\n\n<li><strong>Gia c\u00f4ng h\u00f3a ch\u1ea5t v\u00e0 h\u00f3a d\u1ea7u: <\/strong>T\u00f9y ch\u1ecdn seat PTFE v\u00e0 Viton ch\u1ed1ng l\u1ea1i c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n h\u00f3a h\u1ecdc m\u1ea1nh.<\/li>\n\n\n\n<li><strong>H\u1ec7 th\u1ed1ng HVAC: <\/strong>Ph\u00e2n ph\u1ed1i n\u01b0\u1edbc l\u1ea1nh, n\u01b0\u1edbc n\u00f3ng v\u00e0 h\u01a1i n\u01b0\u1edbc trong c\u00e1c b\u1ed9 x\u1eed l\u00fd kh\u00f4ng kh\u00ed v\u00e0 h\u1ec7 th\u1ed1ng \u1ed1ng gi\u00f3.<\/li>\n\n\n\n<li><strong>Ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y: <\/strong>M\u1ea1ng l\u01b0\u1edbi tr\u1ee5 c\u1ee9u h\u1ecfa, h\u1ec7 th\u1ed1ng phun n\u01b0\u1edbc v\u00e0 h\u1ec7 th\u1ed1ng ch\u1eefa ch\u00e1y b\u1eb1ng b\u1ecdt.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/mining-industry-valve\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/mining-industry-valve\/\" rel=\"noreferrer noopener\">Khai th\u00e1c m\u1ecf<\/a> v\u00e0 ch\u1ebf bi\u1ebfn kho\u00e1ng s\u1ea3n: <\/strong>X\u1eed l\u00fd b\u00f9n v\u1edbi \u0111\u0129a th\u00e9p kh\u00f4ng g\u1ec9 cr\u00f4m cao ho\u1eb7c CF8M v\u00e0 l\u1ef1a ch\u1ecdn gio\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Select_the_Right_Centric_or_Center-line_Butterfly_Valve\"><\/span><strong>C\u00e1ch ch\u1ecdn van b\u01b0\u1edbm t\u00e2m ho\u1eb7c van b\u01b0\u1edbm t\u00e2m \u0111\u01b0\u1eddng t\u00e2m ph\u00f9 h\u1ee3p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng danh s\u00e1ch ki\u1ec3m tra c\u00f3 h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u1ec3 gi\u00fap b\u1ea1n ch\u1ecdn van ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap tr\u00e1nh l\u1ed7i sai kh\u1edbp v\u00e0 ng\u0103n ng\u1eeba chi ph\u00ed b\u1ea3o tr\u00ec ho\u1eb7c thay th\u1ebf t\u1ed1n k\u00e9m.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n l\u00e0 g\u00ec? <\/strong>N\u00f3 c\u00f3 ph\u1ea3i l\u00e0<strong> <\/strong>ch\u1ea5t l\u1ecfng, kh\u00ed, b\u00f9n hay b\u1ed9t?<\/li>\n\n\n\n<li><strong>\u00c1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng l\u00e0 bao nhi\u00eau? <\/strong>X\u00e1c nh\u1eadn x\u1ebfp h\u1ea1ng PN y\u00eau c\u1ea7u v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u gio\u0103ng.<\/li>\n\n\n\n<li><strong>Lo\u1ea1i k\u1ebft n\u1ed1i \u0111\u01b0\u1eddng \u1ed1ng l\u00e0 g\u00ec? <\/strong>N\u00f3 c\u00f3 ph\u1ea3i l\u00e0<strong> <\/strong>wafer, lug hay double-flanged?<\/li>\n\n\n\n<li><strong>K\u00edch th\u01b0\u1edbc \u1ed1ng (DN) v\u00e0 k\u00edch th\u01b0\u1edbc m\u1eb7t \u0111\u1ed1i m\u1eb7t l\u00e0 bao nhi\u00eau? <\/strong>Lu\u00f4n<strong> <\/strong>tham kh\u1ea3o <strong>k\u00edch th\u01b0\u1edbc van b\u01b0\u1edbm lo\u1ea1i wafer<\/strong> trong danh m\u1ee5c s\u1ea3n ph\u1ea9m.<\/li>\n\n\n\n<li><strong>Ph\u01b0\u01a1ng th\u1ee9c k\u00edch ho\u1ea1t l\u00e0 g\u00ec? <\/strong>N\u00f3 c\u00f3 ph\u1ea3i l\u00e0<strong> <\/strong>tay quay, h\u1ed9p s\u1ed1, \u0111i\u1ec7n, kh\u00ed n\u00e9n hay b\u1ed9 truy\u1ec1n \u0111\u1ed9ng th\u1ee7y l\u1ef1c?<\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch h\u00f3a h\u1ecdc: <\/strong>\u0110\u1ea3m b\u1ea3o ch\u1ecdn v\u1eadt li\u1ec7u \u0111\u1ec7m d\u1ef1a tr\u00ean \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc c\u1ee7a m\u00f4i ch\u1ea5t.<\/li>\n<\/ol>\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: 'Poppins', Arial, sans-serif;\n    text-decoration: none !important;\n    color: inherit;\n    transition: transform 0.3s ease, box-shadow 0.3s ease;\n  }\n\n  .hero-card:hover {\n    transform: translateY(-3px);\n    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);\n  }\n\n  .hero-image {\n    width: 220px;\n    height: auto;\n    border-radius: 12px;\n    object-fit: contain; \n    background: #ffffff;\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', Arial, sans-serif;\n    text-transform: capitalize;\n  }\n\n  .hero-description {\n    font-size: 1rem;\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 !important;\n    text-decoration: none !important;\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: #a80913; \n  }\n\n  @media (max-width: 640px) {\n    .hero-card {\n      flex-direction: column;\n      text-align: center;\n    }\n    .hero-content {\n      padding-left: 0;\n      padding-top: 20px;\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\/ptfe-lined-flanged-centerline-butterfly-valve\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/xintaivalves.b-cdn.net\/wp-content\/uploads\/2026\/06\/%E4%B8%AD%E7%BA%BF%E8%A1%AC%E6%B0%9F%E6%B3%95%E5%85%B0%E8%9D%B6%E9%98%80.jpg\" alt=\"Van b\u01b0\u1edbm t\u00e2m \u0111\u01b0\u1eddng m\u1eb7t b\u00edch l\u00f3t PTFE cho m\u00f4i ch\u1ea5t \u0103n m\u00f2n\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Van b\u01b0\u1edbm t\u00e2m PTFE l\u00f3t m\u1eb7t b\u00edch<\/div>\n    <div class=\"hero-description\">\n      <strong>Kh\u1ea3 n\u0103ng c\u1ed1t l\u00f5i:<\/strong> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 x\u1eed l\u00fd m\u00f4i ch\u1ea5t c\u00f3 t\u00ednh \u0103n m\u00f2n cao.<br>\n      <strong>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p:<\/strong> Gi\u1ea3i ph\u00e1p OEM \u0111\u00e1ng tin c\u1eady cho c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd h\u00f3a ch\u1ea5t, x\u1eed l\u00fd n\u01b0\u1edbc, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 c\u00f4ng nghi\u1ec7p.\n    <\/div>\n    <span class=\"hero-link\">Xem Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/span>\n  <\/div>\n<\/a>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Van b\u01b0\u1edbm \u0111\u1ed3ng t\u00e2m, kh\u00f4ng l\u1ec7ch t\u00e2m ho\u1eb7c t\u00e2m \u0111\u01b0\u1eddng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p nh\u1edd thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n, chi ph\u00ed v\u1eadn h\u00e0nh th\u1ea5p v\u00e0 ph\u1ea1m vi \u1ee9ng d\u1ee5ng r\u1ed9ng. N\u00f3 x\u1eed l\u00fd m\u00f4i ch\u1ea5t n\u01b0\u1edbc, kh\u00ed, h\u00f3a ch\u1ea5t v\u00e0 b\u1ed9t trong c\u00e1c l\u1edbp \u00e1p su\u1ea5t ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.xintaivalves.com\/vi\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/www.xintaivalves.com\/blog\/how-xintai-valve-supports-large-scale-epc-projects-globally\/\" rel=\"noreferrer noopener\">Van Xintai<\/a> thi\u1ebft k\u1ebf van b\u01b0\u1edbm theo ti\u00eau chu\u1ea9n API 609, BS EN 593, API 598, ASME B16.10 v\u00e0 ISO 5211. C\u00e1c lo\u1ea1i van b\u01b0\u1edbm n\u00e0y bao g\u1ed3m lo\u1ea1i \u0111\u1ed3ng t\u00e2m, <a href=\"https:\/\/www.xintaivalves.com\/vi\/product\/double-eccentric-butterfly-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">l\u1ec7ch t\u00e2m k\u00e9p<\/a>, V\u00e0 <a href=\"https:\/\/www.xintaivalves.com\/vi\/product\/triple-eccentric-butterfly-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">van b\u01b0\u1edbm ba l\u1ec7ch t\u00e2m<\/a><\/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\"><a class=\"wp-block-button__link has-white-color has-vivid-red-background-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=\"font-style:normal;font-weight:500\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u1eadn B\u00e1o Gi\u00e1<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The centric butterfly valve is a quarter-turn valve with a centered stem and disc that provides on\/off flow control in industrial piping systems. It is also known as a concentric, center-line, or zero-offset butterfly valve.\u00a0 Its simple quarter-turn operation is the reason why it is mainly used in water treatment, power generation, and chemical processing [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15690,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-15689","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\/15689","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/comments?post=15689"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/15689\/revisions"}],"predecessor-version":[{"id":15695,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/15689\/revisions\/15695"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media\/15690"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media?parent=15689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/categories?post=15689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/tags?post=15689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}