{"id":5457,"date":"2026-07-30T00:44:54","date_gmt":"2026-07-29T16:44:54","guid":{"rendered":"https:\/\/www.sj-gauge.com\/?p=5457"},"modified":"2026-07-30T00:44:55","modified_gmt":"2026-07-29T16:44:55","slug":"ansi-flange-standard","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/vi\/ansi-flange-standard\/","title":{"rendered":"Ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch ANSI\/ASME: Class 150 c\u00f3 ngh\u0129a l\u00e0 g\u00ec?"},"content":{"rendered":"<p><strong>T\u00f3m t\u1eaft:<\/strong> Ng\u00e0y nay, \u201cm\u1eb7t b\u00edch ANSI\u201d th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh b\u1eb1ng ti\u00eau chu\u1ea9n ASME, k\u00edch th\u01b0\u1edbc \u1ed1ng danh ngh\u0129a, class \u00e1p su\u1ea5t, v\u1eadt li\u1ec7u, b\u1ec1 m\u1eb7t v\u00e0 d\u1ea1ng k\u00edch th\u01b0\u1edbc. Class 150 l\u00e0 k\u00fd hi\u1ec7u c\u1ea5p \u00e1p su\u1ea5t, kh\u00f4ng ph\u1ea3i gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c 150 psi chung cho m\u1ecdi \u0111i\u1ec1u ki\u1ec7n.<\/p>\n\n\n\n<p>Ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u1eabn th\u01b0\u1eddng g\u1ecdi \u201cm\u1eb7t b\u00edch ANSI\u201d, nh\u01b0ng ASME B16.5 l\u00e0 ti\u00eau chu\u1ea9n ch\u00ednh cho m\u1eb7t b\u00edch \u1ed1ng v\u00e0 ph\u1ee5 ki\u1ec7n n\u1ed1i b\u00edch t\u1eeb NPS 1\/2 \u0111\u1ebfn NPS 24. M\u1eb7t b\u00edch th\u00e9p \u0111\u01b0\u1eddng k\u00ednh l\u1edbn thu\u1ed9c ASME B16.47. Lu\u00f4n x\u00e1c nh\u1eadn \u0111\u00fang ti\u00eau chu\u1ea9n, phi\u00ean b\u1ea3n, nh\u00f3m v\u1eadt li\u1ec7u v\u00e0 quy \u0111\u1ecbnh d\u1ef1 \u00e1n.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom 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=\"B\u1eadt\/t\u1eaft M\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">B\u1eadt\/T\u1eaft<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7b1e1c;color:#7b1e1c\" 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: #7b1e1c;color:#7b1e1c\" 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' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.sj-gauge.com\/vi\/ansi-flange-standard\/#what-does-ansi-class-150-mean\" >ANSI Class 150 c\u00f3 ngh\u0129a 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-2\" href=\"https:\/\/www.sj-gauge.com\/vi\/ansi-flange-standard\/#how-to-read-an-asme-flange-specification\" >C\u00e1ch \u0111\u1ecdc th\u00f4ng s\u1ed1 m\u1eb7t b\u00edch ASME<\/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.sj-gauge.com\/vi\/ansi-flange-standard\/#common-asme-pressure-classes\" >C\u00e1c class \u00e1p su\u1ea5t ASME th\u01b0\u1eddng g\u1eb7p<\/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.sj-gauge.com\/vi\/ansi-flange-standard\/#common-flange-facings-rf-ff-and-rtj\" >C\u00e1c b\u1ec1 m\u1eb7t m\u1eb7t b\u00edch ph\u1ed5 bi\u1ebfn: RF, FF v\u00e0 RTJ<\/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.sj-gauge.com\/vi\/ansi-flange-standard\/#asme-flanges-for-pressure-gauges-and-diaphragm-seals\" >M\u1eb7t b\u00edch ASME cho \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t v\u00e0 b\u1ed9 m\u00e0ng ng\u0103n<\/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.sj-gauge.com\/vi\/ansi-flange-standard\/#asme-jis-and-dinen-flanges-are-not-automatically-interchangeable\" >M\u1eb7t b\u00edch ASME, JIS v\u00e0 DIN\/EN kh\u00f4ng t\u1ef1 \u0111\u1ed9ng t\u01b0\u01a1ng th\u00edch<\/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.sj-gauge.com\/vi\/ansi-flange-standard\/#asme-flange-selection-checklist\" >Danh s\u00e1ch ki\u1ec3m tra ch\u1ecdn m\u1eb7t b\u00edch ASME<\/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.sj-gauge.com\/vi\/ansi-flange-standard\/#frequently-asked-questions\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/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.sj-gauge.com\/vi\/ansi-flange-standard\/#conclusion\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-does-ansi-class-150-mean\"><span class=\"ez-toc-section\" id=\"what-does-ansi-class-150-mean\"><\/span>ANSI Class 150 c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Class 150 nh\u1eadn d\u1ea1ng m\u1ed9t class \u00e1p su\u1ea5t ASME. Kh\u00f4ng c\u00f3 ngh\u0129a m\u1ecdi m\u1eb7t b\u00edch Class 150 \u0111\u1ec1u gi\u1edbi h\u1ea1n \u0111\u00fang 150 psi. \u00c1p su\u1ea5t cho ph\u00e9p thay \u0111\u1ed5i theo nh\u00f3m v\u1eadt li\u1ec7u v\u00e0 nhi\u1ec7t \u0111\u1ed9, d\u1ef1a tr\u00ean b\u1ea3ng \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t\u2013nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng.<\/p>\n\n\n\n<p>K\u00fd hi\u1ec7u \u201cASME B16.5 NPS 2 Class 150 RF\u201d cho bi\u1ebft ti\u00eau chu\u1ea9n, k\u00edch th\u01b0\u1edbc danh ngh\u0129a 2 inch, Class 150 v\u00e0 m\u1eb7t nh\u00f4 RF. V\u1eabn c\u1ea7n c\u1ea5p v\u1eadt li\u1ec7u v\u00e0 c\u00e1c k\u00fd hi\u1ec7u kh\u00e1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng s\u1ed1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-read-an-asme-flange-specification\"><span class=\"ez-toc-section\" id=\"how-to-read-an-asme-flange-specification\"><\/span>C\u00e1ch \u0111\u1ecdc th\u00f4ng s\u1ed1 m\u1eb7t b\u00edch ASME<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Ti\u00eau chu\u1ea9n:<\/strong> x\u00e1c nh\u1eadn ASME B16.5, ASME B16.47 ho\u1eb7c t\u00e0i li\u1ec7u v\u00e0 phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/li>\n\n\n\n<li><strong>K\u00edch th\u01b0\u1edbc:<\/strong> x\u00e1c \u0111\u1ecbnh NPS v\u00e0 m\u1ecdi tham chi\u1ebfu DN tr\u00ean b\u1ea3n v\u1ebd.<\/li>\n\n\n\n<li><strong>Class \u00e1p su\u1ea5t:<\/strong> x\u00e1c \u0111\u1ecbnh Class 150, 300, 400, 600, 900, 1500 ho\u1eb7c 2500 theo y\u00eau c\u1ea7u.<\/li>\n\n\n\n<li><strong>B\u1ec1 m\u1eb7t l\u00e0m k\u00edn:<\/strong> x\u00e1c nh\u1eadn RF, FF, RTJ ho\u1eb7c b\u1ec1 m\u1eb7t y\u00eau c\u1ea7u kh\u00e1c.<\/li>\n\n\n\n<li><strong>V\u1eadt li\u1ec7u:<\/strong> ki\u1ec3m tra ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u, c\u1ea5p v\u00e0 nh\u00f3m \u00e1p su\u1ea5t\u2013nhi\u1ec7t \u0111\u1ed9.<\/li>\n\n\n\n<li><strong>K\u00edch th\u01b0\u1edbc:<\/strong> ki\u1ec3m tra \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i, v\u00f2ng bul\u00f4ng, l\u1ed7 bul\u00f4ng, chi\u1ec1u d\u00e0y, l\u1ed7 trong v\u00e0 lo\u1ea1i m\u1eb7t b\u00edch.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-common-asme-pressure-classes\"><span class=\"ez-toc-section\" id=\"common-asme-pressure-classes\"><\/span>C\u00e1c class \u00e1p su\u1ea5t ASME th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"overflow-x:auto\"><table style=\"width:100%;border-collapse:collapse;min-width:620px\"><thead><tr><th>Class \u00e1p su\u1ea5t<\/th><th>C\u00e1ch hi\u1ec3u<\/th><th>L\u01b0u \u00fd l\u1ef1a ch\u1ecdn<\/th><\/tr><\/thead><tbody><tr><td>Class 150<\/td><td>Class c\u00f4ng nghi\u1ec7p th\u00f4ng d\u1ee5ng<\/td><td>Kh\u00f4ng b\u1eb1ng gi\u1edbi h\u1ea1n 150 psi chung cho m\u1ecdi \u0111i\u1ec1u ki\u1ec7n.<\/td><\/tr><tr><td>Class 300 \/ 600<\/td><td>D\u00e3y class \u00e1p su\u1ea5t cao h\u01a1n<\/td><td>K\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t\u2013nhi\u1ec7t \u0111\u1ed9 kh\u00e1c Class 150.<\/td><\/tr><tr><td>Class 900 \/ 1500 \/ 2500<\/td><td>D\u00e3y \u00e1p su\u1ea5t cao<\/td><td>C\u1ea7n x\u00e1c minh ch\u00ednh x\u00e1c v\u1eadt li\u1ec7u, nhi\u1ec7t \u0111\u1ed9, bul\u00f4ng v\u00e0 thi\u1ebft k\u1ebf.<\/td><\/tr><\/tbody><\/table><\/div>\n\n\n\n<p>B\u1ea3ng n\u00e0y ch\u1ec9 gi\u1ea3i th\u00edch t\u00ean class, kh\u00f4ng ph\u1ea3i b\u1ea3ng \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t. H\u00e3y d\u00f9ng b\u1ea3ng \u00e1p su\u1ea5t\u2013nhi\u1ec7t \u0111\u1ed9 ASME ch\u00ednh th\u1ee9c v\u00e0 c\u01a1 s\u1edf thi\u1ebft k\u1ebf d\u1ef1 \u00e1n \u0111\u1ec3 ch\u1ecdn cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-common-flange-facings-rf-ff-and-rtj\"><span class=\"ez-toc-section\" id=\"common-flange-facings-rf-ff-and-rtj\"><\/span>C\u00e1c b\u1ec1 m\u1eb7t m\u1eb7t b\u00edch ph\u1ed5 bi\u1ebfn: RF, FF v\u00e0 RTJ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>RF \u2014 M\u1eb7t nh\u00f4:<\/strong> v\u00f9ng ti\u1ebfp x\u00fac gio\u0103ng nh\u00f4 cao, ph\u1ed5 bi\u1ebfn trong \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p.<\/li>\n\n\n\n<li><strong>FF \u2014 M\u1eb7t ph\u1eb3ng:<\/strong> b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac ph\u1eb3ng to\u00e0n ph\u1ea7n, th\u01b0\u1eddng d\u00f9ng cho m\u1ed9t s\u1ed1 k\u1ebft n\u1ed1i gang ho\u1eb7c \u1ee9ng su\u1ea5t th\u1ea5p.<\/li>\n\n\n\n<li><strong>RTJ \u2014 M\u1ed1i n\u1ed1i v\u00f2ng kim lo\u1ea1i:<\/strong> r\u00e3nh gia c\u00f4ng cho gio\u0103ng v\u00f2ng kim lo\u1ea1i, th\u01b0\u1eddng d\u00f9ng trong d\u1ecbch v\u1ee5 \u00e1p su\u1ea5t ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao kh\u1eafc nghi\u1ec7t.<\/li>\n<\/ul>\n\n\n\n<p>B\u1ec1 m\u1eb7t ph\u1ea3i ph\u00f9 h\u1ee3p m\u1eb7t b\u00edch gh\u00e9p v\u00e0 thi\u1ebft k\u1ebf gio\u0103ng. Kh\u00f4ng \u0111\u01b0\u1ee3c b\u1eaft bul\u00f4ng c\u00e1c b\u1ec1 m\u1eb7t kh\u00f4ng t\u01b0\u01a1ng th\u00edch n\u1ebfu ch\u01b0a c\u00f3 thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c duy\u1ec7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-asme-flanges-for-pressure-gauges-and-diaphragm-seals\"><span class=\"ez-toc-section\" id=\"asme-flanges-for-pressure-gauges-and-diaphragm-seals\"><\/span>M\u1eb7t b\u00edch ASME cho \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t v\u00e0 b\u1ed9 m\u00e0ng ng\u0103n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>V\u1edbi \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ho\u1eb7c transmitter n\u1ed1i b\u00edch, class m\u1eb7t b\u00edch ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n l\u1ef1a ch\u1ecdn. C\u1ea7n x\u00e1c nh\u1eadn d\u1ea3i \u0111o, \u0111\u01b0\u1eddng k\u00ednh hi\u1ec7u d\u1ee5ng c\u1ee7a m\u00e0ng, ch\u1ea5t l\u1ecfng \u0111i\u1ec1n \u0111\u1ea7y, v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac, nhi\u1ec7t \u0111\u1ed9 qu\u00e1 tr\u00ecnh, chi\u1ec1u d\u00e0i \u1ed1ng mao d\u1eabn, c\u1ed5ng x\u1ea3 r\u1eeda v\u00e0 h\u01b0\u1edbng l\u1eafp.<\/p>\n\n\n\n<p>\u0110o \u00e1p su\u1ea5t th\u1ea5p th\u01b0\u1eddng c\u1ea7n di\u1ec7n t\u00edch m\u00e0ng l\u1edbn h\u01a1n. L\u01b0u ch\u1ea5t \u0103n m\u00f2n, nh\u1edbt, k\u1ebft tinh ho\u1eb7c v\u1ec7 sinh c\u00f3 th\u1ec3 c\u1ea7n h\u1ee3p kim, l\u1edbp ph\u1ee7\/l\u00f3t ho\u1eb7c thi\u1ebft k\u1ebf m\u00e0ng k\u00e9o d\u00e0i \u0111\u1eb7c bi\u1ec7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-asme-jis-and-din-en-flanges-are-not-automatically-interchangeable\"><span class=\"ez-toc-section\" id=\"asme-jis-and-dinen-flanges-are-not-automatically-interchangeable\"><\/span>M\u1eb7t b\u00edch ASME, JIS v\u00e0 DIN\/EN kh\u00f4ng t\u1ef1 \u0111\u1ed9ng t\u01b0\u01a1ng th\u00edch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>ASME d\u00f9ng pressure class, JIS th\u01b0\u1eddng d\u00f9ng c\u1ea5p K, c\u00f2n DIN\/EN d\u00f9ng PN. K\u00edch th\u01b0\u1edbc danh ngh\u0129a t\u01b0\u01a1ng t\u1ef1 kh\u00f4ng b\u1ea3o \u0111\u1ea3m gi\u1ed1ng \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i, b\u1ed1 tr\u00ed bul\u00f4ng, b\u1ec1 m\u1eb7t hay \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t\u2013nhi\u1ec7t \u0111\u1ed9. H\u00e3y so s\u00e1nh b\u1ea3n v\u1ebd \u0111\u00e3 duy\u1ec7t tr\u01b0\u1edbc khi d\u00f9ng b\u1ed9 chuy\u1ec3n ti\u1ebfp.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-asme-flange-selection-checklist\"><span class=\"ez-toc-section\" id=\"asme-flange-selection-checklist\"><\/span>Danh s\u00e1ch ki\u1ec3m tra ch\u1ecdn m\u1eb7t b\u00edch ASME<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n, phi\u00ean b\u1ea3n v\u00e0 lo\u1ea1i m\u1eb7t b\u00edch ch\u00ednh x\u00e1c<\/li>\n\n\n\n<li>Tham chi\u1ebfu NPS ho\u1eb7c DN v\u00e0 class \u00e1p su\u1ea5t<\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf b\u1ec1 m\u1eb7t v\u00e0 gio\u0103ng<\/li>\n\n\n\n<li>C\u1ea5p v\u1eadt li\u1ec7u v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0103n m\u00f2n<\/li>\n\n\n\n<li>\u00c1p su\u1ea5t thi\u1ebft k\u1ebf, nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf v\u00e0 \u0111\u1ec9nh \u00e1p su\u1ea5t<\/li>\n\n\n\n<li>B\u1ed1 tr\u00ed bul\u00f4ng, v\u1eadt li\u1ec7u bul\u00f4ng v\u00e0 b\u1ea3n v\u1ebd \u0111\u00e3 duy\u1ec7t<\/li>\n\n\n\n<li>D\u1ea3i \u0111o, k\u00edch th\u01b0\u1edbc m\u00e0ng v\u00e0 b\u1ed1 tr\u00ed l\u1eafp \u0111\u1eb7t<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\"><span class=\"ez-toc-section\" id=\"frequently-asked-questions\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-does-ansi-class-150-mean-150-psi\">ANSI Class 150 c\u00f3 ngh\u0129a l\u00e0 150 psi kh\u00f4ng?<\/h3>\n\n\n\n<p>Kh\u00f4ng. Class 150 l\u00e0 k\u00fd hi\u1ec7u c\u1ea5p. \u00c1p su\u1ea5t cho ph\u00e9p ph\u1ee5 thu\u1ed9c v\u1eadt li\u1ec7u v\u00e0 nhi\u1ec7t \u0111\u1ed9; h\u00e3y d\u00f9ng b\u1ea3ng \u00e1p su\u1ea5t\u2013nhi\u1ec7t \u0111\u1ed9 ASME \u00e1p d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-are-ansi-and-asme-flange-standards-the-same\">Ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch ANSI v\u00e0 ASME c\u00f3 gi\u1ed1ng nhau kh\u00f4ng?<\/h3>\n\n\n\n<p>\u201cM\u1eb7t b\u00edch ANSI\u201d v\u1eabn l\u00e0 thu\u1eadt ng\u1eef th\u1ecb tr\u01b0\u1eddng ph\u1ed5 bi\u1ebfn, nh\u01b0ng y\u00eau c\u1ea7u hi\u1ec7n nay th\u01b0\u1eddng vi\u1ec7n d\u1eabn ti\u00eau chu\u1ea9n ASME nh\u01b0 B16.5 v\u00e0 B16.47. H\u00e3y x\u00e1c nh\u1eadn \u0111\u00fang t\u00e0i li\u1ec7u trong quy \u0111\u1ecbnh d\u1ef1 \u00e1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-can-a-class-150-flange-connect-directly-to-a-jis-10k-flange\">M\u1eb7t b\u00edch Class 150 c\u00f3 th\u1ec3 n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi JIS 10K kh\u00f4ng?<\/h3>\n\n\n\n<p>Kh\u00f4ng \u0111\u01b0\u1ee3c m\u1eb7c \u0111\u1ecbnh l\u00e0 c\u00f3 th\u1ec3. K\u00edch th\u01b0\u1edbc, b\u1ed1 tr\u00ed bul\u00f4ng, b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ecbnh m\u1ee9c c\u00f3 th\u1ec3 kh\u00e1c. H\u00e3y so s\u00e1nh b\u1ea3n v\u1ebd \u0111\u00e3 duy\u1ec7t v\u00e0 d\u00f9ng b\u1ed9 chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u00fang khi c\u1ea7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><span class=\"ez-toc-section\" id=\"conclusion\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 ch\u1ec9 \u0111\u1ecbnh \u0111\u00fang m\u1eb7t b\u00edch ANSI\/ASME, c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u1ea7y \u0111\u1ee7 ti\u00eau chu\u1ea9n, k\u00edch th\u01b0\u1edbc, class \u00e1p su\u1ea5t, b\u1ec1 m\u1eb7t, v\u1eadt li\u1ec7u v\u00e0 \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng. SJ Gauge c\u00f3 th\u1ec3 duy\u1ec7t b\u1ea3n v\u1ebd v\u00e0 \u0111\u1ec1 xu\u1ea5t \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t, b\u1ed9 m\u00e0ng ng\u0103n ho\u1eb7c c\u1ea5u h\u00ecnh m\u00e0ng ng\u0103n t\u1eeb xa ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<p><strong>B\u1ea1n c\u1ea7n h\u1ed7 tr\u1ee3 ki\u1ec3m tra m\u1eb7t b\u00edch ASME ho\u1eb7c ch\u1ecdn thi\u1ebft b\u1ecb \u0111o?<\/strong> <a href=\"https:\/\/www.sj-gauge.com\/vi\/contact-us\/\">Li\u00ean h\u1ec7 SJ Gauge<\/a> v\u00e0 cung c\u1ea5p k\u00fd hi\u1ec7u m\u1eb7t b\u00edch, b\u1ea3n v\u1ebd, l\u01b0u ch\u1ea5t, \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-standards-reference\">T\u00e0i li\u1ec7u ti\u00eau chu\u1ea9n<\/h3>\n\n\n\n<p>Tham kh\u1ea3o phi\u00ean b\u1ea3n hi\u1ec7n h\u00e0nh c\u1ee7a <a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b16-5-pipe-flanges-flanged-fittings-nps-1-2-nps-24-metric-inch-standard\" target=\"_blank\" rel=\"noopener\">ASME B16.5<\/a> v\u00e0 <a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b16-47-large-diameter-steel-flanges-nps-26-nps-60-metric-inch-standard\" target=\"_blank\" rel=\"noopener\">ASME B16.47<\/a>, c\u00f9ng quy \u0111\u1ecbnh d\u1ef1 \u00e1n. H\u00e3y mua ti\u00eau chu\u1ea9n ch\u00ednh th\u1ee9c khi c\u1ea7n \u0111\u1ea7y \u0111\u1ee7 y\u00eau c\u1ea7u ho\u1eb7c b\u1ea3ng \u0111\u1ecbnh m\u1ee9c.<\/p>","protected":false},"excerpt":{"rendered":"<p>Summary: An \u201cANSI flange\u201d is usually specified today by an ASME standard, nominal pipe size, pressure class, material, facing and dimensional pattern. Class 150 is a pressure-class designation\u2014not a universal 150 psi working-pressure limit. Industry still commonly says \u201cANSI flange,\u201d but ASME B16.5 is the principal standard for pipe flanges and flanged fittings from NPS [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4245,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[],"class_list":["post-5457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>ANSI\/ASME Flange Standards Explained: What Class 150 Means - SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sj-gauge.com\/vi\/ansi-flange-standard\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ANSI\/ASME Flange Standards Explained: What Class 150 Means\" \/>\n<meta property=\"og:description\" content=\"Summary: An \u201cANSI flange\u201d is usually specified today by an ASME standard, nominal pipe size, pressure class, material, facing and dimensional pattern. 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Class 150 is a pressure-class designation\u2014not a universal 150 psi working-pressure limit. 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