{"id":13704,"date":"2025-10-13T14:59:39","date_gmt":"2025-10-13T06:59:39","guid":{"rendered":"https:\/\/www.xintaivalves.com\/?p=13704"},"modified":"2025-10-13T14:59:41","modified_gmt":"2025-10-13T06:59:41","slug":"what-is-wcb-valve","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/vi\/blog\/what-is-wcb-valve\/","title":{"rendered":"Van WCB l\u00e0 g\u00ec?"},"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\/what-is-wcb-valve\/#Interpreting_the_WCB_Code\" >Gi\u1ea3i th\u00edch B\u1ed9 lu\u1eadt WCB<\/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\/what-is-wcb-valve\/#What_About_150_WCB_Valves\" >Th\u1ebf c\u00f2n 150 van WCB th\u00ec sao?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/what-is-wcb-valve\/#Where_Do_Operators_Use_These_Valves\" >Ng\u01b0\u1eddi v\u1eadn h\u00e0nh s\u1eed d\u1ee5ng c\u00e1c van n\u00e0y \u1edf \u0111\u00e2u?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/what-is-wcb-valve\/#Different_Types_of_WCB_Valves\" >C\u00e1c lo\u1ea1i van WCB kh\u00e1c nhau<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/what-is-wcb-valve\/#When_WCB_Isnt_the_Right_Choice\" >Khi WCB kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn<\/a><\/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\/what-is-wcb-valve\/#Why_We_Stand_Behind_WCB_Quality\" >T\u1ea1i sao ch\u00fang t\u00f4i \u1ee7ng h\u1ed9 ch\u1ea5t l\u01b0\u1ee3ng WCB<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Van WCB th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t lo\u1ea1i van \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb m\u1ed9t lo\u1ea1i th\u00e9p cacbon c\u1ee5 th\u1ec3 c\u00f3 t\u00ean l\u00e0 \u201cTh\u00e9p cacbon h\u00e0n \u0111\u01b0\u1ee3c, c\u1ea5p B\u201d. Lo\u1ea1i th\u00e9p n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ASTM A216 v\u00e0 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng v\u00ec c\u00f3 th\u1ec3 h\u00e0n \u0111\u01b0\u1ee3c, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi 800\u00b0F.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Interpreting_the_WCB_Code\"><\/span><strong>Gi\u1ea3i th\u00edch B\u1ed9 lu\u1eadt WCB<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ch\u1eef c\u00e1i trong WCB cho b\u1ea1n bi\u1ebft m\u1ecdi th\u1ee9 b\u1ea1n c\u1ea7n bi\u1ebft:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>W<\/strong> Ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 h\u00e0n \u0111\u01b0\u1ee3c. H\u00e0m l\u01b0\u1ee3ng carbon \u0111\u01b0\u1ee3c gi\u1eef \u1edf m\u1ee9c \u0111\u1ee7 th\u1ea5p \u0111\u1ec3 d\u1ec5 h\u00e0n m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u00fap vi\u1ec7c s\u1eeda ch\u1eefa v\u00e0 l\u1eafp r\u00e1p \u0111\u01a1n gi\u1ea3n h\u01a1n nhi\u1ec1u.<\/li>\n\n\n\n<li><strong>C<\/strong> l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a th\u00e9p cacbon. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n mang l\u1ea1i cho b\u1ea1n \u0111\u1ed9 b\u1ec1n t\u1ed1t m\u00e0 kh\u00f4ng t\u1ed1n qu\u00e1 nhi\u1ec1u chi ph\u00ed.<\/li>\n\n\n\n<li><strong>B<\/strong> l\u00e0 c\u1ea5p \u0111\u1ed9 theo ASTM A216. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn c\u00e2n b\u1eb1ng gi\u1eefa C\u1ea5p A v\u00e0 C\u1ea5p C, c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n C\u1ea5p A nh\u01b0ng v\u1eabn ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n C\u1ea5p C.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_About_150_WCB_Valves\"><\/span><strong>Th\u1ebf c\u00f2n 150 van WCB th\u00ec sao?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khi b\u1ea1n nh\u00ecn th\u1ea5y van WCB 150, con s\u1ed1 &quot;150&quot; \u0111\u00f3 \u00e1m ch\u1ec9 c\u1ea5p \u00e1p su\u1ea5t. Nh\u1eefng van n\u00e0y th\u01b0\u1eddng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c kho\u1ea3ng 285 psi \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, m\u1eb7c d\u00f9 con s\u1ed1 n\u00e0y s\u1ebd gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng. \u1ede 500\u00b0F (275\u00b0C), b\u1ea1n s\u1ebd th\u1ea5y g\u1ea7n 170 psi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ch\u1ec9 s\u1ed1 v\u1ec1 \u0111\u1ed9 b\u1ec1n r\u1ea5t ch\u1eafc ch\u1eafn v\u1edbi \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1eeb 70.000 \u0111\u1ebfn 95.000 psi v\u00e0 gi\u1edbi h\u1ea1n ch\u1ea3y \u00edt nh\u1ea5t l\u00e0 36.000 psi. C\u00e1c \u0111\u1eb7c t\u00ednh n\u00e0y cung c\u1ea5p \u0111\u1ed9 b\u1ec1n \u0111\u1ee7 cho h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng. <a href=\"https:\/\/www.xintaivalves.com\/vi\/guide-to-industrial-ball-valve\/\">van bi c\u00f4ng nghi\u1ec7p<\/a> c\u00e1c \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_Do_Operators_Use_These_Valves\"><\/span><strong>Ng\u01b0\u1eddi v\u1eadn h\u00e0nh s\u1eed d\u1ee5ng c\u00e1c van n\u00e0y \u1edf \u0111\u00e2u?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n s\u1ebd t\u00ecm th\u1ea5y van WCB trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u v\u00e0 nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t<\/strong> Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00ec c\u00f3 th\u1ec3 x\u1eed l\u00fd hydrocarbon \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 800\u00b0F m\u00e0 kh\u00f4ng t\u1ed1n k\u00e9m chi ph\u00ed th\u00e9p kh\u00f4ng g\u1ec9. Ch\u00fang r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u0111\u01a1n v\u1ecb x\u1eed l\u00fd c\u1ea7n hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady m\u00e0 kh\u00f4ng c\u1ea7n chi ph\u00ed h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u00e0 m\u00e1y \u0111i\u1ec7n<\/strong> s\u1eed d\u1ee5ng van WCB r\u1ed9ng r\u00e3i cho h\u1ec7 th\u1ed1ng h\u01a1i n\u01b0\u1edbc. Th\u00e9p WCB ch\u1ecbu nhi\u1ec7t v\u00e0 \u0111\u1ed9 \u1ea9m t\u1ed1t, v\u00e0 \u0111\u1ee7 b\u1ec1n \u0111\u1ec3 s\u1eed d\u1ee5ng trong l\u00f2 h\u01a1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u01a1 s\u1edf x\u1eed l\u00fd n\u01b0\u1edbc<\/strong> s\u1eed d\u1ee5ng van WCB v\u00ec ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n so v\u1edbi th\u00e9p cacbon ti\u00eau chu\u1ea9n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ec7 th\u1ed1ng n\u01b0\u1edbc kh\u00f4ng b\u1ecb oxy h\u00f3a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Different_Types_of_WCB_Valves\"><\/span><strong>C\u00e1c lo\u1ea1i van WCB kh\u00e1c nhau<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt li\u1ec7u WCB c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i van. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <a href=\"https:\/\/www.xintaivalves.com\/vi\/gate-valve-insights\/\">van c\u1ed5ng<\/a>, n\u01a1i n\u00f3 cung c\u1ea5p hi\u1ec7u su\u1ea5t to\u00e0n b\u1ed9, gi\u1ea3m \u00e1p su\u1ea5t th\u1ea5p. Van c\u1ea7u s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng ch\u00ednh x\u00e1c, v\u00e0 van m\u1ed9t chi\u1ec1u \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3 \u0111\u1ec3 ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng do d\u00f2ng ch\u1ea3y ng\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van bi c\u00f3 l\u1ebd l\u00e0 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a WCB hi\u1ec7n nay. Ch\u00fang \u0111\u01a1n gi\u1ea3n, \u0111\u00e1ng tin c\u1eady v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng, c\u00f9ng v\u1edbi c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng m\u1ed9t ph\u1ea7n t\u01b0 v\u00f2ng gi\u00fap d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng. Van b\u01b0\u1edbm l\u00e0m b\u1eb1ng WCB r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng l\u1edbn, n\u01a1i tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed l\u00e0 v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_WCB_Isnt_the_Right_Choice\"><\/span><strong>Khi WCB kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WCB c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf ri\u00eang. N\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng l\u1ea1nh v\u00ec d\u1ec5 gi\u00f2n v\u00e0 n\u1ee9t. Nhi\u1ec7t \u0111\u1ed9 cao tr\u00ean 900\u00b0F (370\u00b0C) c\u0169ng s\u1ebd g\u00e2y ra v\u1ea5n \u0111\u1ec1. \u0110\u1ed1i v\u1edbi h\u00f3a ch\u1ea5t m\u1ea1nh ho\u1eb7c n\u01b0\u1edbc bi\u1ec3n, th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi \u00e1p su\u1ea5t cao v\u01b0\u1ee3t qu\u00e1 C\u1ea5p 600, c\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ebfn v\u1eadt li\u1ec7u c\u1ea5p cao h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_We_Stand_Behind_WCB_Quality\"><\/span><strong>T\u1ea1i sao ch\u00fang t\u00f4i \u1ee7ng h\u1ed9 ch\u1ea5t l\u01b0\u1ee3ng WCB<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i Xintai, ch\u00fang t\u00f4i \u0111\u00e3 s\u1ea3n xu\u1ea5t van WCB t\u1ea1i s\u00e1u c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t c\u1ee7a m\u00ecnh k\u1ec3 t\u1eeb n\u0103m 1998. V\u1edbi h\u01a1n 270.000 van \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t m\u1ed7i n\u0103m, ch\u00fang t\u00f4i \u0111\u00e3 t\u00edch l\u0169y kinh nghi\u1ec7m d\u1ef1a tr\u00ean nh\u1eefng g\u00ec ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u1eaft khe. C\u00e1c trung t\u00e2m ki\u1ec3m \u0111\u1ecbnh c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o m\u1ecdi van WCB \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ASTM A216 v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh tr\u01b0\u1edbc khi xu\u1ea5t x\u01b0\u1edfng.<br><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>A WCB valve is simply a valve made from a specific type of carbon steel called &#8220;Weldable Carbon Steel, Grade B.&#8221; This steel grade meets ASTM A216 specifications and is popular because it&#8217;s weldable, cost-effective, and handles temperatures up to 800\u00b0F. Interpreting the WCB Code The letters in WCB tell you everything you need to [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":13705,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-13704","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/13704","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=13704"}],"version-history":[{"count":1,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/13704\/revisions"}],"predecessor-version":[{"id":13706,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/13704\/revisions\/13706"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media\/13705"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media?parent=13704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/categories?post=13704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/tags?post=13704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}