{"id":15064,"date":"2026-04-15T16:55:50","date_gmt":"2026-04-15T08:55:50","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=15064"},"modified":"2026-04-16T17:00:56","modified_gmt":"2026-04-16T09:00:56","slug":"what-is-maximum-pressure-for-gate-valve","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/","title":{"rendered":"\u00c1p su\u1ea5t t\u1ed1i \u0111a c\u1ee7a van c\u1ed5ng l\u00e0 bao nhi\u00eau?"},"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\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#What_Determines_the_Pressure_Rating\" >\u0110i\u1ec1u g\u00ec x\u00e1c \u0111\u1ecbnh \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Temperature\" >Nhi\u1ec7t \u0111\u1ed9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Material_Construction\" >C\u1ea5u t\u1ea1o v\u1eadt li\u1ec7u<\/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\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Bonnet_Design\" >Thi\u1ebft k\u1ebf n\u1eafp van<\/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\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Bore_Configuration\" >C\u1ea5u h\u00ecnh l\u1ed7 khoan<\/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\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Pressure_Rating_Standards\" >Ti\u00eau chu\u1ea9n \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t<\/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\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Pressure_Seal_Gate_Valves\" >Van c\u1ed5ng ki\u1ec3u \u0111\u1ec7m \u00e1p su\u1ea5t<\/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\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#How_Valve_Size_Affects_Maximum_Pressure\" >K\u00edch th\u01b0\u1edbc van \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u00e1p su\u1ea5t t\u1ed1i \u0111a 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-9\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Parallel_Gate_Valves_in_High-Pressure_Steam_Service\" >Van c\u1ed5ng song song trong d\u1ecbch v\u1ee5 h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t cao<\/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\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Waterworks_and_Low-Pressure_Applications\" >\u1ee8ng d\u1ee5ng c\u1ea5p n\u01b0\u1edbc v\u00e0 \u00e1p su\u1ea5t th\u1ea5p<\/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\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#High_Pressure_Gate_Valve_Replacement_What_to_Verify\" >Thay th\u1ebf van c\u1ed5ng \u00e1p su\u1ea5t cao: Nh\u1eefng g\u00ec c\u1ea7n x\u00e1c minh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Re-check_the_Pressure-Temperature_Curve\" >Ki\u1ec3m tra l\u1ea1i \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t-nhi\u1ec7t \u0111\u1ed9<\/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\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Match_Material_Bonnet_Style_and_End_Connections\" >Kh\u1edbp v\u1eadt li\u1ec7u, ki\u1ec3u n\u1eafp van v\u00e0 k\u1ebft n\u1ed1i \u0111\u1ea7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Seat_Condition_Packing_and_Sourcing\" >T\u00ecnh tr\u1ea1ng gh\u1ebf van, gio\u0103ng l\u00e0m k\u00edn v\u00e0 ngu\u1ed3n cung c\u1ea5p<\/a><\/li><\/ul><\/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\/gate-valve\/what-is-maximum-pressure-for-gate-valve\/#Conclusion\" >Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u00c1p su\u1ea5t t\u1ed1i \u0111a c\u1ee7a van c\u1ed5ng ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf, v\u1eadt li\u1ec7u, k\u00edch th\u01b0\u1edbc v\u00e0 nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. C\u00e1c van d\u00e2n d\u1ee5ng ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c t\u1eeb 100 \u0111\u1ebfn 200 PSI, nh\u01b0ng m\u1ed9t van c\u1ed5ng \u00e1p su\u1ea5t cao \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o cho d\u1ecbch v\u1ee5 c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t tr\u00ean 20.000 PSI trong c\u00e1c \u1ee9ng d\u1ee5ng d\u1ea7u kh\u00ed chuy\u00ean d\u1ee5ng.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image3-1024x682.webp\" alt=\"\" class=\"wp-image-15065\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image3-1024x682.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image3-300x200.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image3-768x512.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image3-18x12.webp 18w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2026\/04\/image3.webp 1229w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Determines_the_Pressure_Rating\"><\/span><strong>\u0110i\u1ec1u g\u00ec x\u00e1c \u0111\u1ecbnh \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t con s\u1ed1 c\u1ed1 \u0111\u1ecbnh duy nh\u1ea5t. N\u00f3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Temperature\"><\/span><strong>Nhi\u1ec7t \u0111\u1ed9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u0103ng, \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u gi\u1ea3m v\u00e0 \u00e1p su\u1ea5t cho ph\u00e9p c\u0169ng gi\u1ea3m theo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t van \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c 5.000 PSI \u1edf 100\u00b0F c\u00f3 th\u1ec3 ch\u1ec9 an to\u00e0n \u1edf 3.000 PSI \u1edf 600\u00b0F.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ec9 \u0111\u1ecdc \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t m\u00f4i tr\u01b0\u1eddng v\u00e0 d\u1eebng l\u1ea1i \u1edf \u0111\u00f3 l\u00e0 m\u1ed9t l\u1ed7i th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt xu\u1ea5t hi\u1ec7n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i trong mua s\u1eafm c\u00f4ng nghi\u1ec7p, v\u00e0 l\u00e0 m\u1ed9t l\u1ed7i ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Construction\"><\/span><strong>C\u1ea5u t\u1ea1o v\u1eadt li\u1ec7u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00e9p r\u00e8n t\u1ea1o ra th\u00e2n van \u0111\u1eb7c h\u01a1n, b\u1ec1n h\u01a1n so v\u1edbi th\u00e9p \u0111\u00fac. \u0110\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 h\u01a1i n\u01b0\u1edbc v\u00e0 hydrocarbon \u00e1p su\u1ea5t cao, th\u00e2n van r\u00e8n v\u01b0\u1ee3t tr\u1ed9i h\u01a1n c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf b\u1eb1ng \u0111\u00fac v\u1ec1 c\u1ea3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1edbp ph\u1ee7 c\u1ee9ng tr\u00ean b\u1ec1 m\u1eb7t \u0111\u0129a v\u00e0 th\u00e2n van c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m. C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 Tungsten Carbide v\u00e0 Stellite 6 ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00f3i m\u00f2n m\u00e0 d\u00f2ng ch\u1ea3y \u00e1p su\u1ea5t cao g\u00e2y ra t\u1ea1i b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac. N\u1ebfu kh\u00f4ng c\u00f3 ch\u00fang, s\u1ef1 m\u00e0i m\u00f2n c\u1ee7a \u0111\u0129a van s\u1ebd t\u0103ng nhanh v\u00e0 r\u00f2 r\u1ec9 s\u1ebd x\u1ea3y ra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bonnet_Design\"><\/span><strong>Thi\u1ebft k\u1ebf n\u1eafp van<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft k\u1ebf n\u1eafp van b\u1eaft bu l\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n trong d\u1ecbch v\u1ee5 \u00e1p su\u1ea5t cao v\u00ec c\u00e1c ch\u1ed1t ch\u1ecbu t\u1ea3i tr\u1ecdng l\u00e0m k\u00edn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u01b0\u1ee3t qu\u00e1 m\u1ed9t ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh, ch\u1ec9 ri\u00eang l\u1ef1c c\u0103ng bu l\u00f4ng s\u1ebd kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft k\u1ebf gio\u0103ng \u00e1p su\u1ea5t gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u00e1p su\u1ea5t b\u00ean trong \u0111\u1ec3 si\u1ebft ch\u1eb7t gio\u0103ng. H\u1ec7 th\u1ed1ng \u0111\u1ea9y c\u00e0ng m\u1ea1nh, gio\u0103ng c\u00e0ng ch\u1eb7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bore_Configuration\"><\/span><strong>C\u1ea5u h\u00ecnh l\u1ed7 khoan<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Van c\u1ed5ng to\u00e0n d\u00f2ng duy tr\u00ec \u0111\u01b0\u1eddng k\u00ednh b\u00ean trong gi\u1ed1ng nh\u01b0 \u0111\u01b0\u1eddng \u1ed1ng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t v\u00e0 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb l\u00e0m s\u1ea1ch \u0111\u01b0\u1eddng \u1ed1ng (pig) \u0111i qua \u0111\u1ec3 v\u1ec7 sinh. Van gi\u1ea3m d\u00f2ng nh\u1ecf g\u1ecdn v\u00e0 nh\u1eb9 h\u01a1n, nh\u01b0ng l\u1ed7 m\u1edf h\u1eb9p h\u01a1n l\u00e0m t\u0103ng s\u1ee9c c\u1ea3n d\u00f2ng ch\u1ea3y qua van. Trong c\u00e1c \u1ee9ng d\u1ee5ng m\u1ecf d\u1ea7u v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng \u00e1p su\u1ea5t cao, s\u1ef1 l\u1ef1a ch\u1ecdn gi\u1eefa hai lo\u1ea1i n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn b\u1ea3o tr\u00ec.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pressure_Rating_Standards\"><\/span><strong>Ti\u00eau chu\u1ea9n \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Van c\u1ed5ng c\u00f4ng nghi\u1ec7p tu\u00e2n theo hai h\u1ec7 th\u1ed1ng \u0111\u1ecbnh m\u1ee9c ch\u00ednh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c c\u1ea5p ASME\/ANSI ch\u1ea1y t\u1eeb Class 150 \u0111\u1ebfn Class 4500. M\u1ed9t van Class 150 ch\u1ecbu \u0111\u01b0\u1ee3c kho\u1ea3ng 285 PSI \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng. M\u1ed9t van Class 2500 ch\u1ecbu \u0111\u01b0\u1ee3c kho\u1ea3ng 6.250 PSI trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ecbnh m\u1ee9c PN \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a Ch\u00e2u \u00c2u v\u00e0 qu\u1ed1c t\u1ebf, ch\u1ea1y t\u1eeb PN10 \u0111\u1ebfn PN400 v\u00e0 th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t theo \u0111\u01a1n v\u1ecb bar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t van \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho \u00e1p su\u1ea5t cao \u1edf 100\u00b0F c\u00f3 th\u1ec3 th\u1ea5y \u0111\u1ecbnh m\u1ee9c \u0111\u00f3 gi\u1ea3m \u0111i m\u1ed9t n\u1eeda \u1edf 800\u00b0F. Lu\u00f4n \u0111\u1ecdc to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t-nhi\u1ec7t \u0111\u1ed9, kh\u00f4ng ch\u1ec9 con s\u1ed1 m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng m\u1ecf d\u1ea7u, API 6A quy \u0111\u1ecbnh c\u00e1c \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t l\u00e0 2.000, 3.000, 5.000, 10.000, 15.000 v\u00e0 20.000 PSI, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 2M \u0111\u1ebfn 20M. Ch\u00fang bao g\u1ed3m thi\u1ebft b\u1ecb \u0111\u1ea7u gi\u1ebfng v\u00e0 thi\u1ebft b\u1ecb b\u1ec1 m\u1eb7t trong s\u1ea3n xu\u1ea5t d\u1ea7u kh\u00ed, n\u01a1i \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng kh\u1eaft khe nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 bi\u1ebft th\u00eam v\u1ec1 c\u00e1ch c\u00e1c \u0111\u1ecbnh m\u1ee9c n\u00e0y \u00e1p d\u1ee5ng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n d\u1ecbch v\u1ee5 kh\u00e1c nhau, <a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/high-pressure-gate-valve-design-uses\/\">h\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf van c\u1ed5ng \u00e1p su\u1ea5t cao c\u1ee7a ch\u00fang t\u00f4i<\/a> \u0111i s\u00e2u v\u00e0o chi ti\u1ebft theo lo\u1ea1i \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pressure_Seal_Gate_Valves\"><\/span><strong>Van c\u1ed5ng ki\u1ec3u \u0111\u1ec7m \u00e1p su\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Van c\u1ed5ng ki\u1ec3u \u0111\u1ec7m k\u00edn \u00e1p su\u1ea5t l\u00e0 ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p cho c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n, h\u1ec7 th\u1ed1ng h\u01a1i n\u01b0\u1edbc v\u00e0 nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u ho\u1ea1t \u0111\u1ed9ng tr\u00ean 1.450 PSI.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec7m k\u00edn n\u1eafp van si\u1ebft ch\u1eb7t khi \u00e1p su\u1ea5t b\u00ean trong t\u0103ng l\u00ean. Hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n ch\u00ednh x\u00e1c m\u00e0 n\u1eafp van b\u1eaft v\u00edt s\u1ebd b\u1eaft \u0111\u1ea7u h\u1ecfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c van n\u00e0y ho\u1ea1t \u0111\u1ed9ng trong d\u1ea3i Class 900 \u0111\u1ebfn Class 4500, duy tr\u00ec \u00e1p su\u1ea5t t\u1eeb kho\u1ea3ng 2.200 PSI l\u00ean \u0111\u1ebfn 10.000 PSI v\u00e0 h\u01a1n th\u1ebf n\u1eefa. Ch\u00fang c\u0169ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 580\u00b0C, \u0111\u1eb7t ch\u00fang trong c\u00e1c \u1ee9ng d\u1ee5ng ph\u00e1t \u0111i\u1ec7n si\u00eau t\u1edbi h\u1ea1n v\u00e0 h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c mi\u1ebfng \u0111\u1ec7m m\u1ea1 b\u1ea1c trong thi\u1ebft k\u1ebf \u0111\u1ec7m k\u00edn \u00e1p su\u1ea5t c\u1ea7n \u0111\u01b0\u1ee3c ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t. M\u1ed9t mi\u1ebfng \u0111\u1ec7m b\u1ecb nghi\u1ec1n n\u00e1t trong qu\u00e1 tr\u00ecnh thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 nhanh ch\u00f3ng s\u1ebd t\u1ea1o ra r\u00f2 r\u1ec9 m\u00e0 l\u1ecbch tr\u00ecnh b\u1ea3o tr\u00ec ti\u00eau chu\u1ea9n kh\u00f4ng l\u01b0\u1eddng tr\u01b0\u1edbc \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf \u0111\u1ec7m k\u00edn \u00e1p su\u1ea5t c\u0169ng s\u1eed d\u1ee5ng th\u00e2n van kh\u00f4ng n\u00e2ng \u0111\u1ec3 gi\u1ea3m m\u00e0i m\u00f2n gio\u0103ng v\u00e0 m\u00f4-men xo\u1eafn v\u1eadn h\u00e0nh trong c\u00e1c c\u1ea5u h\u00ecnh van c\u1ed5ng t\u1ea5m \u00e1p su\u1ea5t cao. X\u00e1c nh\u1eadn \u0111i\u1ec1u n\u00e0y trong qu\u00e1 tr\u00ecnh \u0111\u1eb7c t\u1ea3 tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 vi\u1ec7c v\u1eadn h\u00e0nh th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c mong \u0111\u1ee3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111ang ch\u1ec9 \u0111\u1ecbnh van \u0111\u1ec7m k\u00edn \u00e1p su\u1ea5t cho d\u1ecbch v\u1ee5 chu k\u1ef3, <a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/features-of-pressure-seal-gate-valve\/\">ph\u00e2n t\u00edch van c\u1ed5ng \u0111\u1ec7m k\u00edn \u00e1p su\u1ea5t c\u1ee7a ch\u00fang t\u00f4i<\/a> ti\u1ebft l\u1ed9 c\u00e1c chi ti\u1ebft c\u1ea5u t\u1ea1o v\u00e0 nh\u1eefng g\u00ec c\u1ea7n theo d\u00f5i trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Valve_Size_Affects_Maximum_Pressure\"><\/span><strong>K\u00edch th\u01b0\u1edbc van \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u00e1p su\u1ea5t t\u1ed1i \u0111a nh\u01b0 th\u1ebf n\u00e0o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00edch th\u01b0\u1edbc v\u00e0 \u00e1p su\u1ea5t di chuy\u1ec3n theo h\u01b0\u1edbng ng\u01b0\u1ee3c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u01b0\u1eddng k\u00ednh van t\u0103ng l\u00ean, l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean \u0111\u0129a van c\u0169ng t\u0103ng theo. C\u00e1c van l\u1edbn h\u01a1n c\u1ea7n c\u1ea5u t\u1ea1o n\u1eb7ng h\u01a1n \u0111\u1ec3 duy tr\u00ec c\u00f9ng \u00e1p su\u1ea5t nh\u01b0 c\u00e1c van nh\u1ecf h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t van c\u1ed5ng 6\u201d \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o theo ti\u00eau chu\u1ea9n API 6A c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c 10.000 \u0111\u1ebfn 15.000 PSI trong d\u1ecbch v\u1ee5 m\u1ecf d\u1ea7u \u00e1p su\u1ea5t cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t van c\u1ed5ng 8\u201d c\u00f9ng lo\u1ea1i y\u00eau c\u1ea7u th\u00e2n van ch\u1eafc ch\u1eafn h\u01a1n v\u00ec di\u1ec7n t\u00edch l\u1ed7 khoan l\u1edbn h\u01a1n l\u00e0m t\u0103ng l\u1ef1c m\u00e0 \u0111\u0129a van ph\u1ea3i ch\u1ecbu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng l\u1ed7 khoan nh\u1ecf, API 602 bao g\u1ed3m c\u00e1c van c\u1ed5ng th\u00e9p r\u00e8n t\u1eeb 1\/4 inch \u0111\u1ebfn 2 inch, \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c l\u00ean \u0111\u1ebfn 10.000 PSI. \u0110\u00e2y l\u00e0 c\u00e1c thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, \u0111\u1ed9 b\u1ec1n cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i kh\u00f4ng gian h\u1ea1n ch\u1ebf v\u00e0 y\u00eau c\u1ea7u \u00e1p su\u1ea5t cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c van c\u1ed5ng \u0111\u01b0\u1eddng k\u00ednh l\u1edbn trong d\u1ecbch v\u1ee5 \u00e1p su\u1ea5t cao th\u01b0\u1eddng c\u1ea7n l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng bypass. N\u1ebfu kh\u00f4ng c\u00f3, \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch qua \u0111\u0129a van l\u00e0m cho van kh\u00f4ng th\u1ec3 v\u1eadn h\u00e0nh v\u00e0 l\u00e0m h\u1ecfng gh\u1ebf van khi m\u1edf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Parallel_Gate_Valves_in_High-Pressure_Steam_Service\"><\/span><strong>Van c\u1ed5ng song song trong d\u1ecbch v\u1ee5 h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t cao<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Van c\u1ed5ng song song s\u1eed d\u1ee5ng hai \u0111\u0129a song song thay v\u00ec m\u1ed9t n\u00eam \u0111\u1ec3 l\u00e0m k\u00edn v\u1edbi gh\u1ebf van.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf hi\u1ec7u \u1ee9ng k\u1eb9t m\u00e0 c\u00e1c van ki\u1ec3u n\u00eam ph\u00e1t tri\u1ec3n trong c\u00e1c \u1ee9ng d\u1ee5ng h\u01a1i n\u01b0\u1edbc nhi\u1ec7t \u0111\u1ed9 cao, n\u01a1i s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t kh\u00f3a n\u00eam v\u00e0o gh\u1ebf van.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c thi\u1ebft k\u1ebf tr\u01b0\u1ee3t song song r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng n\u1ed3i h\u01a1i v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t cao ch\u1ea1y c\u00e1c chu tr\u00ecnh nhi\u1ec7t th\u01b0\u1eddng xuy\u00ean. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi ASME Class 150 \u0111\u1ebfn Class 2500 v\u00e0 y\u00eau c\u1ea7u m\u00f4-men xo\u1eafn v\u1eadn h\u00e0nh \u00edt h\u01a1n so v\u1edbi c\u00e1c van c\u1ed5ng n\u00eam thay th\u1ebf trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Waterworks_and_Low-Pressure_Applications\"><\/span><strong>\u1ee8ng d\u1ee5ng c\u1ea5p n\u01b0\u1edbc v\u00e0 \u00e1p su\u1ea5t th\u1ea5p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng ph\u1ea3i m\u1ecdi \u1ee9ng d\u1ee5ng \u0111\u1ec1u y\u00eau c\u1ea7u \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t c\u1ea5p c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van c\u1ed5ng Kennedy \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o cho d\u1ecbch v\u1ee5 n\u01b0\u1edbc v\u00e0 n\u01b0\u1edbc th\u1ea3i, \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c t\u1eeb 200 \u0111\u1ebfn 250 PSI cho c\u00e1c thi\u1ebft k\u1ebf n\u00eam \u0111\u00e0n h\u1ed3i ti\u00eau chu\u1ea9n v\u00e0 l\u00ean \u0111\u1ebfn 350 PSI cho d\u00f2ng b\u1ea3o v\u1ec7 ch\u1eefa ch\u00e1y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van c\u1ed5ng MJ, m\u1ed9t thi\u1ebft k\u1ebf kh\u1edbp n\u1ed1i c\u01a1 kh\u00ed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u1eafp \u0111\u1eb7t n\u01b0\u1edbc ng\u1ea7m, ho\u1ea1t \u0111\u1ed9ng \u1edf \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c 250 PSI.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai \u0111\u1ec1u \u0111\u00e1ng tin c\u1eady cho d\u1ecbch v\u1ee5 d\u1ef1 ki\u1ebfn c\u1ee7a ch\u00fang. C\u00e1c v\u1ea5n \u0111\u1ec1 b\u1eaft \u0111\u1ea7u khi m\u1ed9t van \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho c\u00f4ng tr\u00ecnh c\u1ea5p n\u01b0\u1edbc l\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u00e1p su\u1ea5t cao h\u01a1n v\u00ec k\u00edch th\u01b0\u1edbc \u1ed1ng kh\u00f4ng kh\u1edbp. C\u1ea5p \u00e1p su\u1ea5t v\u00e0 k\u00edch th\u01b0\u1edbc \u1ed1ng l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ri\u00eang bi\u1ec7t v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo c\u00e1ch \u0111\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High_Pressure_Gate_Valve_Replacement_What_to_Verify\"><\/span><strong>Thay th\u1ebf van c\u1ed5ng \u00e1p su\u1ea5t cao: Nh\u1eefng g\u00ec c\u1ea7n x\u00e1c minh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c thay th\u1ebf van c\u1ed5ng \u00e1p su\u1ea5t cao kh\u00f4ng \u0111\u01a1n gi\u1ea3n nh\u01b0 vi\u1ec7c kh\u1edbp \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch b\u1ea1n n\u00ean ti\u1ebfn h\u00e0nh x\u00e1c minh n\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Re-check_the_Pressure-Temperature_Curve\"><\/span><strong>Ki\u1ec3m tra l\u1ea1i \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t-nhi\u1ec7t \u0111\u1ed9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eebng ch\u1ec9 d\u1ef1a v\u00e0o \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t m\u00f4i tr\u01b0\u1eddng. H\u00e3y x\u00e1c minh l\u1ea1i \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 h\u1ec7 th\u1ed1ng t\u1ed1i \u0111a c\u00f9ng nhau tr\u01b0\u1edbc khi ch\u1ecdn m\u1ed9t s\u1ea3n ph\u1ea9m thay th\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Match_Material_Bonnet_Style_and_End_Connections\"><\/span><strong>Kh\u1edbp v\u1eadt li\u1ec7u, ki\u1ec3u n\u1eafp van v\u00e0 k\u1ebft n\u1ed1i \u0111\u1ea7u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c thay th\u1ebf th\u00e9p r\u00e8n A105 b\u1eb1ng m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u00fac trong d\u1ecbch v\u1ee5 h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t cao s\u1ebd g\u00e2y ra r\u1ee7i ro h\u1ecfng h\u00f3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c chuy\u1ec3n t\u1eeb n\u1eafp van b\u1eaft bu l\u00f4ng sang thi\u1ebft k\u1ebf ni\u00eam phong \u00e1p su\u1ea5t s\u1ebd thay \u0111\u1ed5i d\u1ea5u ch\u00e2n c\u1ee7a van v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u1ed1 c\u1ee5c \u0111\u01b0\u1eddng \u1ed1ng xung quanh n\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ebft n\u1ed1i \u0111\u1ea7u cu\u1ed1i c\u0169ng c\u1ea7n ph\u1ea3i kh\u1edbp ch\u00ednh x\u00e1c. Vi\u1ec7c thay th\u1ebf k\u1ebft n\u1ed1i h\u00e0n \u0111\u1ed1i \u0111\u1ea7u b\u1eb1ng m\u1ed9t l\u1ef1a ch\u1ecdn m\u1eb7t b\u00edch tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng \u00e1p su\u1ea5t cao \u0111\u00f2i h\u1ecfi c\u00e1c s\u1eeda \u0111\u1ed5i \u0111\u01b0\u1eddng \u1ed1ng m\u00e0 hi\u1ebfm khi \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn \u1edf giai \u0111o\u1ea1n mua s\u1eafm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 \u00e1p su\u1ea5t cao y\u00eau c\u1ea7u th\u00e2n r\u00e8n, van c\u1ee7a ch\u00fang t\u00f4i <a href=\"https:\/\/www.xintaivalves.com\/vi\/product\/forged-wedge-gate-valve\/\">van c\u1ed5ng n\u00eam r\u00e8n<\/a> \u0111\u00e1p \u1ee9ng c\u00e1c c\u1ea5p \u00e1p su\u1ea5t kh\u1eaft khe trong c\u1ea5u tr\u00fac th\u00e9p r\u00e8n. N\u01a1i \u0111i\u1ec1u ki\u1ec7n d\u1ecbch v\u1ee5 cho ph\u00e9p c\u1ea5u tr\u00fac \u0111\u00fac, <a href=\"https:\/\/www.xintaivalves.com\/vi\/product\/casting-wedge-gate-valve\/\">van c\u1ed5ng n\u00eam \u0111\u00fac<\/a> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn thay th\u1ebf hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.xintaivalves.com\/vi\/products\/forged-wedge-gate-valve\/\"><img decoding=\"async\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/03\/FORGED-WEDGE-GATE-VALVE.jpg\" alt=\"\" style=\"width:362px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.xintaivalves.com\/vi\/products\/forged-wedge-gate-valve\/\">VAN C\u1ed4NG N\u1ec0N<\/a><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.xintaivalves.com\/vi\/products\/api-flange-cast-steel-gate-valve\/\"><img decoding=\"async\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/02\/142-master-graph.jpg\" alt=\"\" style=\"width:357px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.xintaivalves.com\/vi\/products\/api-flange-cast-steel-gate-valve\/\">Van c\u1ed5ng th\u00e9p \u0111\u00fac m\u1eb7t b\u00edch API<\/a><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Seat_Condition_Packing_and_Sourcing\"><\/span><strong>T\u00ecnh tr\u1ea1ng gh\u1ebf van, gio\u0103ng l\u00e0m k\u00edn v\u00e0 ngu\u1ed3n cung c\u1ea5p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra t\u00ecnh tr\u1ea1ng \u0111\u0129a van tr\u00ean c\u00e1c van c\u00f3 \u0111\u0129a kim lo\u1ea1i tr\u01b0\u1edbc khi thay th\u1ebf to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb. \u0110\u0129a kim lo\u1ea1i c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1i b\u1ec1 m\u1eb7t thay v\u00ec thay th\u1ebf ho\u00e0n to\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi nhi\u1ec7t \u0111\u1ed9 tr\u00ean 232\u00b0C, c\u1ea7n c\u00f3 gio\u0103ng l\u00e0m k\u00edn b\u1eb1ng than ch\u00ec. PTFE s\u1ebd h\u1ecfng \u1edf nh\u1eefng nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3 v\u00e0 kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh s\u1eed d\u1ee5ng tr\u00ean ng\u01b0\u1ee1ng \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1eed nghi\u1ec7m th\u1ee7y t\u0129nh tr\u00ean c\u00e1c van \u00e1p su\u1ea5t cao \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf m\u1ee9c 1,5 l\u1ea7n MAWP. M\u1ed9t van 10.000 PSI \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u1edf 15.000 PSI. X\u00e1c minh r\u1eb1ng b\u1ea5t k\u1ef3 b\u1ed9 ph\u1eadn thay th\u1ebf n\u00e0o \u0111\u1ec1u c\u00f3 t\u00e0i li\u1ec7u x\u00e1c nh\u1eadn \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi t\u00ecm ki\u1ebfm c\u00e1c b\u1ed9 ph\u1eadn thay th\u1ebf, Danh m\u1ee5c van c\u1ed5ng Powell li\u1ec7t k\u00ea c\u00e1c thi\u1ebft k\u1ebf gio\u0103ng l\u00e0m k\u00edn \u00e1p su\u1ea5t API 600 t\u1eeb C\u1ea5p 600 \u0111\u1ebfn C\u1ea5p 4500, bao g\u1ed3m c\u1ea5u h\u00ecnh n\u00eam v\u00e0 song song cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u1eafc nghi\u1ec7t.<\/p>\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<div class=\"wp-block-cover is-light\" style=\"min-height:237px;aspect-ratio:unset;\"><img decoding=\"async\" width=\"3000\" height=\"2000\" class=\"wp-block-cover__image-background wp-image-7802\" alt=\"\" src=\"https:\/\/xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001.webp 3000w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-300x200.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-1024x683.webp 1024w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-768x512.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-1536x1024.webp 1536w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-2048x1365.webp 2048w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2023\/03\/6624793_32879001-18x12.webp 18w\" sizes=\"(max-width: 3000px) 100vw, 3000px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#e8e8e8\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-black-color has-text-color has-link-color wp-elements-10176f1e50fccd365deb8f276774936a wp-block-paragraph\" style=\"font-size:27px\"><strong>T\u00f9y ch\u1ec9nh van ho\u00e0n h\u1ea3o cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n! Nh\u1eadn b\u00e1o gi\u00e1 v\u00e0 kh\u00e1m ph\u00e1 c\u00e1c t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh c\u1ee7a ch\u00fang t\u00f4i.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-left is-layout-flex wp-container-core-buttons-is-layout-63375db1 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-fill\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-link-color has-extra-small-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.xintaivalves.com\/vi\/industrial-valve-manufacturer\/\" style=\"border-radius:100px;background-color:#d70c19\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Kh\u00e1m ph\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p van<\/strong><\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t van tr\u00f4ng c\u00f3 v\u1ebb \u0111\u00fang tr\u00ean gi\u1ea5y t\u1edd nh\u01b0ng kh\u00f4ng kh\u1edbp v\u1edbi \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t-nhi\u1ec7t \u0111\u1ed9 th\u1ef1c t\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng s\u1ebd kh\u00f4ng b\u1ec1n l\u00e2u. Trong d\u1ecbch v\u1ee5 \u00e1p su\u1ea5t cao, s\u1ef1 c\u1ed1 \u0111\u00f3 hi\u1ebfm khi ch\u1ec9 d\u1eebng l\u1ea1i \u1edf b\u1ea3n th\u00e2n van.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111ang xem x\u00e9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a van c\u1ed5ng v\u00e0 c\u1ea7n h\u01b0\u1edbng d\u1eabn v\u1ec1 thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh, <a href=\"https:\/\/www.xintaivalves.com\/vi\/contact\/\">h\u00e3y li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i<\/a> v\u00e0 ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n t\u00ecm \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p.<\/p>","protected":false},"excerpt":{"rendered":"<p>The maximum pressure for a gate valve depends on its design, material, size, and operating temperature. Standard residential valves are rated for 100 to 200 PSI, but a high-pressure gate valve built for industrial service can sustain pressures above 20,000 PSI in specialized oilfield applications. What Determines the Pressure Rating Pressure rating is not a [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":15065,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[238],"tags":[],"class_list":["post-15064","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate-valve"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/15064","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=15064"}],"version-history":[{"count":2,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/15064\/revisions"}],"predecessor-version":[{"id":15101,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/15064\/revisions\/15101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media\/15065"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media?parent=15064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/categories?post=15064"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/tags?post=15064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}