{"id":14435,"date":"2025-12-11T08:00:00","date_gmt":"2025-12-11T00:00:00","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=14435"},"modified":"2026-04-03T11:27:56","modified_gmt":"2026-04-03T03:27:56","slug":"gate-valve-material-selection-guide","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/gate-valve-material-selection-guide\/","title":{"rendered":"L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho van c\u1ed5ng: C\u00e1ch ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n"},"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\/gate-valve-material-selection-guide\/#The_Foundation_Gate_Valve_Body_Material\" >V\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng: V\u1eadt li\u1ec7u th\u00e2n van c\u1ed5ng<\/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\/gate-valve-material-selection-guide\/#Cast_Iron\" >Gang th\u00e9p<\/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\/gate-valve-material-selection-guide\/#Carbon_Steel_WCB\" >Th\u00e9p cacbon (WCB)<\/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\/gate-valve-material-selection-guide\/#Stainless_Steel_CF8M\" >Th\u00e9p kh\u00f4ng g\u1ec9 (CF8M)<\/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\/gate-valve-material-selection-guide\/#Special_Alloys\" >H\u1ee3p kim \u0111\u1eb7c bi\u1ec7t<\/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\/gate-valve-material-selection-guide\/#Dont_Forget_the_Lid_Gate_Valve_Bonnet_Material\" >\u0110\u1eebng qu\u00ean n\u1eafp \u0111\u1eady: V\u1eadt li\u1ec7u n\u1eafp van c\u1ed5ng<\/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\/gate-valve-material-selection-guide\/#The_Seal_Gate_Valve_Seat_Material\" >V\u1eadt li\u1ec7u l\u00e0m k\u00edn: V\u1eadt li\u1ec7u m\u1eb7t van c\u1ed5ng<\/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\/gate-valve-material-selection-guide\/#Stem_Sealing_Gate_Valve_Packing_Material\" >V\u1eadt li\u1ec7u l\u00e0m k\u00edn tr\u1ee5c van: V\u1eadt li\u1ec7u l\u00e0m k\u00edn van c\u1ed5ng<\/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\/gate-valve-material-selection-guide\/#The_Rules_of_the_Road_Gate_Valve_Material_Specification\" >C\u00e1c quy t\u1eafc giao th\u00f4ng \u0111\u01b0\u1eddng th\u1ee7y: Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u van c\u1ed5ng<\/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\/gate-valve-material-selection-guide\/#Trim_Materials_The_Hidden_Variable\" >V\u1eadt li\u1ec7u trang tr\u00ed: Bi\u1ebfn s\u1ed1 ti\u1ec1m \u1ea9n<\/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\/gate-valve-material-selection-guide\/#The_Cost_vs_Lifespan_Equation\" >Ph\u01b0\u01a1ng tr\u00ecnh chi ph\u00ed so v\u1edbi tu\u1ed5i th\u1ecd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/gate-valve-material-selection-guide\/#Common_Traps_to_Avoid\" >Nh\u1eefng c\u1ea1m b\u1eaby th\u01b0\u1eddng g\u1eb7p c\u1ea7n tr\u00e1nh<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u van c\u1ed5ng ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ph\u00f9 h\u1ee3p c\u00e1c \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc v\u00e0 v\u1eadt l\u00fd c\u1ee7a van v\u1edbi m\u00f4i ch\u1ea5t ch\u1ea5t l\u1ecfng, nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ec3 ng\u0103n ng\u1eeba \u0103n m\u00f2n v\u00e0 h\u01b0 h\u1ecfng c\u1ea5u tr\u00fac. N\u1ebfu b\u1ea1n ch\u1ecdn sai kim lo\u1ea1i ho\u1eb7c cao su, b\u1ea1n s\u1ebd \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 r\u00f2 r\u1ec9 nghi\u00eam tr\u1ecdng, ng\u1eebng ho\u1ea1t \u0111\u1ed9ng h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c m\u1ed1i nguy hi\u1ec3m v\u1ec1 an to\u00e0n m\u00e0 l\u1ebd ra c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c b\u1eb1ng m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u01a1n gi\u1ea3n h\u01a1n. <a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/standard\/gate-valve-specifications-explained\/\" target=\"_blank\" rel=\"noreferrer noopener\">ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ch\u1ecdn m\u1ed9t van c\u00f3 s\u1eb5n tr\u00ean th\u1ecb tr\u01b0\u1eddng tho\u1ea1t nh\u00ecn c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n, nh\u01b0ng th\u1ef1c t\u1ebf l\u1ea1i r\u1ea5t quan tr\u1ecdng. Van c\u00f4ng nghi\u1ec7p l\u00e0 nh\u1eefng chi\u1ebfn binh \u1edf tuy\u1ebfn \u0111\u1ea7u c\u1ee7a ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t. Ch\u00fang ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t c\u1ef1c l\u1edbn v\u00e0 c\u00e1c h\u00f3a ch\u1ea5t nguy hi\u1ec3m. Khi ch\u1ecdn \u0111\u00fang, b\u1ea1n s\u1ebd ng\u1ee7 ngon gi\u1ea5c. Khi ch\u1ecdn sai, b\u1ea1n s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t m\u1edb h\u1ed7n \u0111\u1ed9n b\u1ecb \u0103n m\u00f2n ho\u1eb7c gio\u0103ng b\u1ecb h\u1ecfng. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd \u0111\u01a1n gi\u1ea3n h\u00f3a th\u1ebf gi\u1edbi ph\u1ee9c t\u1ea1p c\u1ee7a luy\u1ec7n kim v\u00e0 polyme th\u00e0nh nh\u1eefng l\u1eddi khuy\u00ean thi\u1ebft th\u1ef1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Foundation_Gate_Valve_Body_Material\"><\/span>V\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng: V\u1eadt li\u1ec7u th\u00e2n van c\u1ed5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00e2n van l\u00e0 l\u1edbp v\u1ecf ch\u1ecbu \u00e1p su\u1ea5t, v\u00e0 v\u1eadt li\u1ec7u c\u1ee7a n\u00f3 quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 t\u1ed5ng th\u1ec3 c\u1ee7a thi\u1ebft b\u1ecb. L\u1ef1a ch\u1ecdn c\u1ee7a b\u1ea1n \u1edf \u0111\u00e2y s\u1ebd thi\u1ebft l\u1eadp ti\u00eau chu\u1ea9n c\u01a1 b\u1ea3n cho to\u00e0n b\u1ed9 van.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u c\u1ea5u tr\u00fac th\u00e9p \u0111\u00fac, vi\u1ec7c tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/gate-valve\/cast-steel-gate-valve-types-standards\/\" title=\"c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a van c\u1ed5ng th\u00e9p \u0111\u00fac\">c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a van c\u1ed5ng th\u00e9p \u0111\u00fac<\/a> \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh v\u00e0 hi\u1ec7u su\u1ea5t v\u1eadt li\u1ec7u t\u1ed1i \u01b0u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cast_Iron\"><\/span>Gang th\u00e9p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3 \u0111\u1ea1i di\u1ec7n cho l\u1ef1a ch\u1ecdn kinh t\u1ebf. N\u00f3 c\u1ee9ng c\u00e1p, r\u1ebb ti\u1ec1n v\u00e0 ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o cho n\u01b0\u1edbc, n\u01b0\u1edbc th\u1ea3i v\u00e0 h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t th\u1ea5p. Tuy nhi\u00ean, n\u00f3 c\u00f3 ph\u1ea7n h\u00e0m b\u1eb1ng th\u1ee7y tinh. Gang r\u1ea5t d\u1ec5 v\u1ee1. N\u00f3 kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ed1c nhi\u1ec7t ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc. N\u1ebfu \u0111\u01b0\u1eddng \u1ed1ng c\u1ee7a b\u1ea1n va \u0111\u1eadp m\u1ea1nh ho\u1eb7c n\u1ebfu nhi\u1ec7t \u0111\u1ed9 dao \u0111\u1ed9ng d\u1eef d\u1ed9i, gang c\u00f3 th\u1ec3 b\u1ecb n\u1ee9t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Carbon_Steel_WCB\"><\/span>Th\u00e9p cacbon (WCB)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00e9p carbon (WCB) l\u00e0 v\u1eadt li\u1ec7u ch\u1ee7 l\u1ef1c c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u1ea7u kh\u00ed. Khi b\u1ea1n th\u1ea5y m\u1ed9t van trong nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u, r\u1ea5t c\u00f3 th\u1ec3 n\u00f3 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p carbon. V\u1eadt li\u1ec7u th\u00e2n van c\u1ed5ng n\u00e0y c\u1ee9ng c\u00e1p, d\u1ebbo dai v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao l\u00ean \u0111\u1ebfn 800 \u0111\u1ed9 Fahrenheit (kho\u1ea3ng 360 \u0111\u1ed9 C). N\u00f3 kh\u00f4ng d\u1ec5 b\u1ecb n\u1ee9t d\u01b0\u1edbi \u00e1p l\u1ef1c. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 g\u1ec9 s\u00e9t. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n k\u00e9m \u0111\u1ed1i v\u1edbi n\u01b0\u1edbc ho\u1eb7c h\u00f3a ch\u1ea5t n\u1ebfu kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Stainless_Steel_CF8M\"><\/span><a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/304-vs-316-stainless-steel-gate-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Th\u00e9p kh\u00f4ng g\u1ec9 (CF8M)<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CF8M l\u00e0 gi\u1ea3i ph\u00e1p khi \u0103n m\u00f2n l\u00e0 k\u1ebb th\u00f9 c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n v\u1eadn chuy\u1ec3n th\u1ef1c ph\u1ea9m, axit ho\u1eb7c n\u01b0\u1edbc tinh khi\u1ebft c\u1ea7n gi\u1eef \u0111\u1ed9 tinh khi\u1ebft, th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 ti\u00eau chu\u1ea9n. N\u00f3 t\u1ea1o ra m\u1ed9t l\u1edbp oxit th\u1ee5 \u0111\u1ed9ng t\u1ef1 ph\u1ee5c h\u1ed3i, ng\u0103n ng\u1eeba g\u1ec9 s\u00e9t.<\/p>\n\n\n\n\n\n\n  <title>Van c\u1ed5ng \u0111\u00fac<\/title>\n  \n    .hero-card {\n  \n\n\n\n<a class=\"hero-card\" href=\"https:\/\/www.xintaivalves.com\/vi\/products\/casting-wedge-gate-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/01\/%E7%BB%84%E4%BB%B6-6-%E2%80%93-1.jpg\" alt=\"Van c\u1ed5ng th\u00e9p kh\u00f4ng g\u1ec9 m\u1eb7t b\u00edch API\" \/>\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">\ud83d\udd27 Van c\u1ed5ng n\u00eam \u0111\u00fac<\/div>\n    <div class=\"hero-description\">Xintai Valve cung c\u1ea5p c\u1ea3 WCB c\u1ea5p cao cho d\u1ea7u kh\u00ed v\u00e0 CF8M cho x\u1eed l\u00fd h\u00f3a ch\u1ea5t \u0103n m\u00f2n, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00fac ASTM nghi\u00eam ng\u1eb7t. <\/div>\n    <span class=\"hero-link\">Kh\u00e1m ph\u00e1 s\u1ea3n ph\u1ea9m<\/span>\n  <\/div>\n<\/a>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Special_Alloys\"><\/span>H\u1ee3p kim \u0111\u1eb7c bi\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. Th\u00e9p song pha, Monel v\u00e0 Inconel \u0111\u01b0\u1ee3c d\u00f9ng cho m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc bi\u1ec3n ho\u1eb7c kh\u00ed c\u00f3 \u0111\u1ed9 chua cao. Ch\u00fang \u0111\u1eaft ti\u1ec1n, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 \u0103n m\u00f2n trong \u0111i\u1ec1u ki\u1ec7n m\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng s\u1ebd b\u1ecb ph\u00e1 h\u1ee7y ch\u1ec9 trong v\u00e0i tu\u1ea7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dont_Forget_the_Lid_Gate_Valve_Bonnet_Material\"><\/span>\u0110\u1eebng qu\u00ean n\u1eafp \u0111\u1eady: V\u1eadt li\u1ec7u n\u1eafp van c\u1ed5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1eafp van che k\u00edn ph\u1ea7n mi\u1ec7ng van ph\u00eda tr\u00ean, v\u00e0 n\u00f3 ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u c\u1ee7a th\u00e2n van \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n c\u1ea5u tr\u00fac v\u00e0 ng\u0103n ng\u1eeba \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a. Hi\u1ebfm khi ng\u01b0\u1eddi ta d\u00f9ng chung hai v\u1eadt li\u1ec7u n\u00e0y. N\u1ebfu th\u00e2n van l\u00e0m b\u1eb1ng th\u00e9p carbon, th\u00ec v\u1eadt li\u1ec7u c\u1ee7a n\u1eafp van c\u0169ng ph\u1ea3i l\u00e0 th\u00e9p carbon.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1eafp van ch\u1ee9a th\u00e2n van v\u00e0 gio\u0103ng, t\u1ea1o th\u00e0nh ranh gi\u1edbi \u00e1p su\u1ea5t quan tr\u1ecdng. Trong nhi\u1ec1u thi\u1ebft k\u1ebf van \u00e1p su\u1ea5t cao, n\u1eafp van \u0111\u01b0\u1ee3c b\u1eaft v\u00edt ho\u1eb7c h\u00e0n k\u00edn b\u1eb1ng \u00e1p su\u1ea5t. S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u y\u1ebfu h\u01a1n \u1edf \u0111\u00e2y s\u1ebd t\u1ea1o ra \u0111i\u1ec3m y\u1ebfu c\u00f3 th\u1ec3 b\u1ecb bung ra. Lu\u00f4n \u0111\u1ea3m b\u1ea3o ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u c\u1ee7a n\u1eafp van ph\u00f9 h\u1ee3p v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a th\u00e2n van.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Seal_Gate_Valve_Seat_Material\"><\/span>V\u1eadt li\u1ec7u l\u00e0m k\u00edn: V\u1eadt li\u1ec7u m\u1eb7t van c\u1ed5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gh\u1ebf van l\u00e0 n\u01a1i di\u1ec5n ra qu\u00e1 tr\u00ecnh \u0111\u00f3ng ng\u1eaft th\u1ef1c s\u1ef1, do \u0111\u00f3 \u0111\u00e2y l\u00e0 b\u1ed9 ph\u1eadn d\u1ec5 b\u1ecb m\u00e0i m\u00f2n nh\u1ea5t trong van. \u0110\u00e2y c\u0169ng l\u00e0 n\u01a1i b\u1ea1n quy\u1ebft \u0111\u1ecbnh gi\u1eefa gh\u1ebf van m\u1ec1m v\u00e0 gh\u1ebf van kim lo\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gh\u1ebf m\u1ec1m s\u1eed d\u1ee5ng ch\u1ea5t \u0111\u00e0n h\u1ed3i ho\u1eb7c polyme. Ch\u00fang t\u1ea1o ra l\u1edbp b\u1ecbt k\u00edn ho\u00e0n to\u00e0n, kh\u00f4ng cho b\u1ecdt kh\u00ed l\u1ecdt v\u00e0o, r\u1ea5t t\u1ed1t cho c\u00e1c ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed s\u1ea1ch.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>EPDM<\/strong>R\u1ea5t t\u1ed1t khi d\u00f9ng v\u1edbi n\u01b0\u1edbc v\u00e0 h\u01a1i n\u01b0\u1edbc, nh\u01b0ng s\u1ebd tan ch\u1ea3y n\u1ebfu ti\u1ebfp x\u00fac v\u1edbi d\u1ea7u.<\/li>\n\n\n\n<li><strong>PTFE (Teflon)<\/strong>: L\u00e0 b\u1eadc th\u1ea7y v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu h\u00f3a ch\u1ea5t. N\u00f3 c\u00f3 th\u1ec3 x\u1eed l\u00fd h\u1ea7u h\u1ebft m\u1ecdi th\u1ee9 nh\u01b0ng t\u01b0\u01a1ng \u0111\u1ed1i m\u1ec1m v\u00e0 c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ea1i b\u1edfi c\u00e1c m\u1ea3nh v\u1ee5n s\u1eafc nh\u1ecdn.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Van c\u1ed5ng c\u1ea7n c\u00f3 gio\u0103ng kim lo\u1ea1i cho c\u00e1c d\u00f2ng ch\u1ea3y c\u00f3 ch\u1ea5t m\u00e0i m\u00f2n ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao. V\u1eadt li\u1ec7u gio\u0103ng van l\u00e0m b\u1eb1ng th\u00e9p th\u00f4ng th\u01b0\u1eddng s\u1ebd nhanh ch\u00f3ng b\u1ecb m\u00f2n. Thay v\u00e0o \u0111\u00f3, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 c\u1ee9ng. Stellite l\u00e0 h\u1ee3p kim coban-crom th\u01b0\u1eddng \u0111\u01b0\u1ee3c h\u00e0n v\u00e0o v\u00f2ng gio\u0103ng. N\u00f3 c\u1ef1c k\u1ef3 c\u1ee9ng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i hi\u1ec7u \u1ee9ng &quot;k\u00e9o d\u00e2y&quot;, trong \u0111\u00f3 h\u01a1i n\u01b0\u1edbc t\u1ed1c \u0111\u1ed9 cao c\u1eaft c\u00e1c r\u00e3nh v\u00e0o kim lo\u1ea1i. N\u1ebfu b\u1ea1n \u0111ang x\u1eed l\u00fd b\u00f9n, c\u00e1t ho\u1eb7c h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t cao, b\u1ea1n c\u1ea7n gio\u0103ng kim lo\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Stem_Sealing_Gate_Valve_Packing_Material\"><\/span>V\u1eadt li\u1ec7u l\u00e0m k\u00edn tr\u1ee5c van: V\u1eadt li\u1ec7u l\u00e0m k\u00edn van c\u1ed5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c b\u1ecbt k\u00edn c\u00e1c khe h\u1edf gi\u00fap ng\u0103n ch\u1ea5t l\u1ecfng ch\u1ea3y ng\u01b0\u1ee3c l\u00ean th\u00e2n \u1ed1ng v\u00e0 r\u00f2 r\u1ec9 ra ngo\u00e0i ph\u00f2ng. \u0110\u00e2y l\u00e0 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 ch\u00ednh ch\u1ed1ng l\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng kh\u00ed th\u1ea3i r\u00f2 r\u1ec9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Than ch\u00ec l\u00e0 v\u1eadt li\u1ec7u l\u00e0m k\u00edn ti\u00eau chu\u1ea9n cho van c\u1ed5ng trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ch\u1ed1ng ch\u00e1y. Than ch\u00ec c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao m\u00e0 kh\u00f4ng b\u1ecb ch\u1ea3y. N\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho h\u01a1i n\u01b0\u1edbc v\u00e0 hydrocarbon. Tuy nhi\u00ean, than ch\u00ec c\u1ea7n l\u1ef1c m\u1ea1nh h\u01a1n \u0111\u1ec3 l\u00e0m k\u00edn v\u00e0 t\u1ea1o ra ma s\u00e1t tr\u00ean tr\u1ee5c van.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00f2ng \u0111\u1ec7m PTFE \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c h\u00f3a ch\u1ea5t \u0103n m\u00f2n, n\u01a1i than ch\u00ec c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng ho\u1eb7c l\u00e0m \u00f4 nhi\u1ec5m ch\u1ea5t l\u1ecfng. N\u00f3 tr\u01a1n tr\u01b0\u1ee3t, c\u00f3 ngh\u0129a l\u00e0 van d\u1ec5 xoay h\u01a1n, nh\u01b0ng n\u00f3 kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c l\u1eeda. N\u1ebfu x\u1ea3y ra h\u1ecfa ho\u1ea1n, PTFE s\u1ebd tan ch\u1ea3y v\u00e0 van s\u1ebd b\u1ecb r\u00f2 r\u1ec9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng y\u00eau c\u1ea7u c\u00e1c b\u1ed9 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u00f3 l\u01b0\u1ee3ng kh\u00ed th\u1ea3i th\u1ea5p. \u0110\u00e2y l\u00e0 nh\u1eefng s\u1ef1 k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt, \u0111\u00f4i khi s\u1eed d\u1ee5ng than ch\u00ec gia c\u01b0\u1eddng b\u1eb1ng s\u1ee3i carbon, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i (VOC) kh\u00f4ng tho\u00e1t ra kh\u00ed quy\u1ec3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Rules_of_the_Road_Gate_Valve_Material_Specification\"><\/span>C\u00e1c quy t\u1eafc giao th\u00f4ng \u0111\u01b0\u1eddng th\u1ee7y: Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u van c\u1ed5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n kh\u00f4ng th\u1ec3 ch\u1ec9 y\u00eau c\u1ea7u &quot;th\u00e9p&quot;. B\u1ea1n c\u1ea7n ph\u1ea3i n\u00f3i theo ng\u00f4n ng\u1eef c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n, c\u1ee5 th\u1ec3 l\u00e0 c\u00e1c quy chu\u1ea9n ASTM (Hi\u1ec7p h\u1ed9i V\u1eadt li\u1ec7u v\u00e0 Th\u1eed nghi\u1ec7m Hoa K\u1ef3).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi xem b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u c\u1ee7a van c\u1ed5ng, b\u1ea1n s\u1ebd th\u1ea5y c\u00e1c m\u00e3 nh\u01b0 A216 WCB ho\u1eb7c A351 CF8M.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A216 WCB: Th\u00e9p cacbon \u0111\u00fac.<\/li>\n\n\n\n<li>A351 CF8: Th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00fac 304.<\/li>\n\n\n\n<li>A351 CF8M: Th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00fac 316.<\/li>\n\n\n\n<li>A105: Th\u00e9p cacbon r\u00e8n (d\u00e0nh cho c\u00e1c van nh\u1ecf h\u01a1n).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u r\u00f5 c\u00e1c m\u00e3 s\u1ed1 n\u00e0y \u0111\u1ea3m b\u1ea3o b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c nh\u1eefng g\u00ec m\u00ecnh \u0111\u00e3 tr\u1ea3 ti\u1ec1n. M\u1ed9t van &quot;th\u00e9p kh\u00f4ng g\u1ec9&quot; c\u00f3 th\u1ec3 l\u00e0 lo\u1ea1i 304 ho\u1eb7c 316. S\u1ef1 kh\u00e1c bi\u1ec7t n\u1eb1m \u1edf vi\u1ec7c b\u1ed5 sung molypden trong lo\u1ea1i 316, gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i clorua (nh\u01b0 mu\u1ed1i). N\u1ebfu b\u1ea1n \u0111\u1eb7t h\u00e0ng lo\u1ea1i 304 cho m\u00f4i tr\u01b0\u1eddng bi\u1ec3n, n\u00f3 s\u1ebd b\u1ecb g\u1ec9. B\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh l\u00e0 h\u1ee3p \u0111\u1ed3ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Trim_Materials_The_Hidden_Variable\"><\/span>V\u1eadt li\u1ec7u trang tr\u00ed: Bi\u1ebfn s\u1ed1 ti\u1ec1m \u1ea9n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Thu\u1eadt ng\u1eef \u201ctrim\u201d \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong ti\u1ebfp x\u00fac v\u1edbi ch\u1ea5t l\u1ecfng: th\u00e2n van, b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u00e0 m\u1eb7t n\u00eam. <a href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/globe-valve\/globe-valve-api-standard\/\" target=\"_blank\" rel=\"noreferrer noopener\">API (Vi\u1ec7n D\u1ea7u kh\u00ed Hoa K\u1ef3)<\/a> \u0111\u00e3 t\u1ea1o ra &quot;M\u00e3 s\u1ed1 v\u1eadt li\u1ec7u&quot; \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u van c\u1ed5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5, \u201cTrim 1\u201d l\u00e0 lo\u1ea1i van c\u00f3 gio\u0103ng v\u00e0 th\u00e2n b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 410. \u0110\u00e2y l\u00e0 lo\u1ea1i van \u0111a d\u1ee5ng d\u00f9ng trong ng\u00e0nh d\u1ea7u kh\u00ed. \u201cTrim 5\u201d l\u00e0 lo\u1ea1i van c\u00f3 gio\u0103ng v\u00e0 th\u00e2n b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 Stellite. \u201cTrim 8\u201d l\u00e0 lo\u1ea1i van \u0111a n\u0103ng (Stellite v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 410), ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. S\u1eed d\u1ee5ng b\u1ea3ng ph\u00e2n lo\u1ea1i van API gi\u00fap b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i ch\u1ec9 \u0111\u1ecbnh t\u1eebng bu l\u00f4ng v\u00e0 v\u00f2ng \u0111\u1ec7m b\u00ean trong. B\u1ea1n ch\u1ec9 c\u1ea7n ghi r\u00f5 M\u00e3 s\u1ed1 van (Trim Number), v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t s\u1ebd bi\u1ebft \u0111\u1ed9 c\u1ee9ng v\u00e0 th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Cost_vs_Lifespan_Equation\"><\/span>Ph\u01b0\u01a1ng tr\u00ecnh chi ph\u00ed so v\u1edbi tu\u1ed5i th\u1ecd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt li\u1ec7u r\u1ebb ti\u1ec1n s\u1ebd khi\u1ebfn b\u1ea1n t\u1ed1n nhi\u1ec1u ti\u1ec1n h\u01a1n v\u1ec1 l\u00e2u d\u00e0i n\u1ebfu ch\u00fang h\u1ecfng s\u1edbm. Van gang c\u00f3 gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi van th\u00e9p kh\u00f4ng g\u1ec9. Nh\u01b0ng n\u1ebfu b\u1ea1n \u0111\u1eb7t van gang \u0111\u00f3 trong m\u00f4i tr\u01b0\u1eddng h\u01a1i axit, b\u1ea1n s\u1ebd ph\u1ea3i thay th\u1ebf n\u00f3 sau m\u1ed7i s\u00e1u th\u00e1ng. Chi ph\u00ed nh\u00e2n c\u00f4ng \u0111\u1ec3 t\u1eaft \u0111\u01b0\u1eddng \u1ed1ng, x\u1ea3 h\u1ebft n\u01b0\u1edbc, th\u00e1o van c\u0169 v\u00e0 l\u1eafp \u0111\u1eb7t van m\u1edbi s\u1ebd l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi s\u1ef1 ch\u00eanh l\u1ec7ch gi\u00e1 ban \u0111\u1ea7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, vi\u1ec7c l\u1ef1a ch\u1ecdn qu\u00e1 m\u1ee9c c\u1ea7n thi\u1ebft c\u0169ng l\u00e0 m\u1ed9t s\u1ef1 l\u00e3ng ph\u00ed. B\u1ea1n kh\u00f4ng c\u1ea7n van b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 song pha v\u1edbi gio\u0103ng Inconel cho \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc l\u1ea1nh. \u0110i\u1ec1u \u0111\u00f3 gi\u1ed1ng nh\u01b0 mua m\u1ed9t c\u00e1i b\u1ed3n \u0111\u1ec3 ch\u1edf n\u01b0\u1edbc \u0111\u1ebfn si\u00eau th\u1ecb v\u1eady. Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u van c\u1ed5ng th\u00f4ng minh s\u1ebd t\u00ecm ra \u0111i\u1ec3m t\u1ed1i \u01b0u, n\u01a1i v\u1eadt li\u1ec7u \u0111\u1ee7 t\u1ed1t \u0111\u1ec3 s\u1eed d\u1ee5ng trong su\u1ed1t v\u00f2ng \u0111\u1eddi thi\u1ebft k\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng nh\u01b0ng kh\u00f4ng qu\u00e1 \u0111\u1eb7c bi\u1ec7t \u0111\u1ebfn m\u1ee9c v\u01b0\u1ee3t qu\u00e1 ng\u00e2n s\u00e1ch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Traps_to_Avoid\"><\/span>Nh\u1eefng c\u1ea1m b\u1eaby th\u01b0\u1eddng g\u1eb7p c\u1ea7n tr\u00e1nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t l\u1ed7i nghi\u00eam tr\u1ecdng l\u00e0 b\u1ecf qua s\u1ef1 t\u01b0\u01a1ng th\u00edch c\u1ee7a v\u1eadt li\u1ec7u l\u00e0m k\u00edn van c\u1ed5ng. Ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng t\u1eadp trung qu\u00e1 nhi\u1ec1u v\u00e0o th\u00e2n van v\u00e0 \u0111\u1ebf van m\u00e0 qu\u00ean m\u1ea5t ph\u1ea7n l\u00e0m k\u00edn. N\u1ebfu ph\u1ea7n l\u00e0m k\u00edn b\u1ecb h\u1ecfng, van v\u1eabn c\u00f3 th\u1ec3 ng\u0103n \u0111\u01b0\u1ee3c d\u00f2ng ch\u1ea3y, nh\u01b0ng s\u1ebd l\u00e0m r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng nguy hi\u1ec3m ra s\u00e0n nh\u00e0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t sai l\u1ea7m kh\u00e1c l\u00e0 b\u1ecf qua gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt li\u1ec7u l\u00e0m gio\u0103ng van c\u1ed5ng. Teflon (PTFE) r\u1ea5t t\u1ed1t, nh\u01b0ng n\u00f3 nhanh ch\u00f3ng m\u1ea5t \u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 400 \u0111\u1ed9 Fahrenheit (kho\u1ea3ng 200 \u0111\u1ed9 C). N\u1ebfu nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh t\u0103ng \u0111\u1ed9t ng\u1ed9t l\u00ean 500 \u0111\u1ed9 F (kho\u1ea3ng 260 \u0111\u1ed9 C), gio\u0103ng s\u1ebd b\u1ecb bi\u1ebfn d\u1ea1ng v\u00e0 van s\u1ebd kh\u00f4ng bao gi\u1edd \u0111\u00f3ng k\u00edn \u0111\u01b0\u1ee3c n\u1eefa.<\/p>\n\n\n\n<div class=\"wp-block-cover is-light\" style=\"min-height:237px;aspect-ratio:unset;\"><img fetchpriority=\"high\" 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\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Gate valve material selection depends entirely on matching the valve\u2019s chemical and physical properties to the fluid media, operating temperature, and pressure capability of your piping system to prevent corrosion and structural failure. If you choose the wrong metal or rubber, you risk catastrophic leaks, system shutdowns, and safety hazards that could have been avoided [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14439,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[238],"tags":[],"class_list":["post-14435","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\/14435","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=14435"}],"version-history":[{"count":3,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/14435\/revisions"}],"predecessor-version":[{"id":14879,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/14435\/revisions\/14879"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media\/14439"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media?parent=14435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/categories?post=14435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/tags?post=14435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}