{"id":5453,"date":"2026-07-29T23:44:44","date_gmt":"2026-07-29T15:44:44","guid":{"rendered":"https:\/\/www.sj-gauge.com\/?p=5453"},"modified":"2026-07-30T01:16:30","modified_gmt":"2026-07-29T17:16:30","slug":"din-flange-standard-pressure-gauge","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/vi\/din-flange-standard-pressure-gauge\/","title":{"rendered":"T\u00ecm hi\u1ec3u ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch DIN: C\u1ea5p PN v\u00e0 l\u1ef1a ch\u1ecdn m\u00e0ng ng\u0103n cho \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t"},"content":{"rendered":"<p><strong>T\u00f3m t\u1eaft:<\/strong> M\u1eb7t b\u00edch DIN th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh b\u1eb1ng k\u00edch th\u01b0\u1edbc danh ngh\u0129a DN v\u00e0 c\u1ea5p \u00e1p su\u1ea5t PN. V\u1edbi \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t v\u00e0 b\u1ed9 m\u00e0ng ng\u0103n, ph\u1ea3i \u0111\u1ed3ng th\u1eddi \u0111\u1ed1i chi\u1ebfu ti\u00eau chu\u1ea9n, b\u1ec1 m\u1eb7t l\u00e0m k\u00edn, v\u1eadt li\u1ec7u, v\u00f2ng l\u1ed7 bul\u00f4ng, \u0111\u01b0\u1eddng k\u00ednh m\u00e0ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n qu\u00e1 tr\u00ecnh, kh\u00f4ng ch\u1ec9 k\u00edch th\u01b0\u1edbc \u1ed1ng danh ngh\u0129a.<\/p>\n\n\n\n<p>Nhi\u1ec1u nh\u00e0 m\u00e1y v\u1eabn d\u00f9ng thu\u1eadt ng\u1eef \u201cm\u1eb7t b\u00edch DIN\u201d \u0111\u1ec3 ch\u1ec9 chung c\u00e1c m\u1eb7t b\u00edch ch\u00e2u \u00c2u theo c\u1ea5p PN. Trong d\u1ef1 \u00e1n hi\u1ec7n nay, m\u1eb7t b\u00edch th\u00e9p th\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m tra theo EN 1092-1 ho\u1eb7c quy \u0111\u1ecbnh c\u1ee7a d\u1ef1 \u00e1n; b\u1ea3n v\u1ebd c\u0169 c\u00f3 th\u1ec3 ghi DIN 2527. Lu\u00f4n x\u00e1c nh\u1eadn \u0111\u00fang ti\u00eau chu\u1ea9n v\u00e0 phi\u00ean b\u1ea3n tr\u00ean b\u1ea3n v\u1ebd \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c y\u00eau c\u1ea7u mua h\u00e0ng.<\/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\/din-flange-standard-pressure-gauge\/#what-does-a-din-flange-standard-describe\" >Ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch DIN quy \u0111\u1ecbnh nh\u1eefng 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\/din-flange-standard-pressure-gauge\/#how-to-read-dn-and-pn\" >C\u00e1ch \u0111\u1ecdc DN v\u00e0 PN<\/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\/din-flange-standard-pressure-gauge\/#archived-sj-gauge-diaphragm-flange-reference\" >B\u1ea3ng tham kh\u1ea3o m\u1eb7t b\u00edch m\u00e0ng ng\u0103n SJ Gauge \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c<\/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\/din-flange-standard-pressure-gauge\/#how-to-select-a-dinen-flanged-pressure-instrument\" >C\u00e1ch ch\u1ecdn thi\u1ebft b\u1ecb \u0111o \u00e1p su\u1ea5t n\u1ed1i b\u00edch DIN\/EN<\/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\/din-flange-standard-pressure-gauge\/#dinen-jis-and-asme-are-not-automatically-interchangeable\" >M\u1eb7t b\u00edch DIN\/EN, JIS v\u00e0 ASME 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-6\" href=\"https:\/\/www.sj-gauge.com\/vi\/din-flange-standard-pressure-gauge\/#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-7\" href=\"https:\/\/www.sj-gauge.com\/vi\/din-flange-standard-pressure-gauge\/#conclusion\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-does-a-din-flange-standard-describe\"><span class=\"ez-toc-section\" id=\"what-does-a-din-flange-standard-describe\"><\/span>Ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch DIN quy \u0111\u1ecbnh nh\u1eefng g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch quy \u0111\u1ecbnh h\u00ecnh h\u1ecdc v\u00e0 c\u00e1ch nh\u1eadn d\u1ea1ng c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1eafp gh\u00e9p t\u01b0\u01a1ng th\u00edch. T\u00f9y t\u00e0i li\u1ec7u, ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 bao g\u1ed3m lo\u1ea1i m\u1eb7t b\u00edch, b\u1ec1 m\u1eb7t l\u00e0m k\u00edn, k\u00edch th\u01b0\u1edbc, dung sai, v\u1eadt li\u1ec7u, b\u1ed1 tr\u00ed l\u1ed7 bul\u00f4ng, ghi nh\u00e3n v\u00e0 y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DN:<\/strong> k\u00edch th\u01b0\u1edbc danh ngh\u0129a d\u00f9ng \u0111\u1ec3 nh\u1eadn d\u1ea1ng k\u1ebft n\u1ed1i \u0111\u01b0\u1eddng \u1ed1ng.<\/li>\n\n\n\n<li><strong>PN:<\/strong> k\u00fd hi\u1ec7u \u00e1p su\u1ea5t c\u1ee7a m\u1ed9t d\u00e3y m\u1eb7t b\u00edch ti\u00eau chu\u1ea9n; kh\u00f4ng ph\u1ea3i gi\u00e1 tr\u1ecb \u00e1p su\u1ea5t cho ph\u00e9p chung cho m\u1ecdi v\u1eadt li\u1ec7u v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/li>\n\n\n\n<li><strong>D:<\/strong> \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a m\u1eb7t b\u00edch.<\/li>\n\n\n\n<li><strong>K:<\/strong> \u0111\u01b0\u1eddng k\u00ednh v\u00f2ng t\u00e2m bul\u00f4ng.<\/li>\n\n\n\n<li><strong>d2:<\/strong> \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 bul\u00f4ng.<\/li>\n\n\n\n<li><strong>b:<\/strong> chi\u1ec1u d\u00e0y m\u1eb7t b\u00edch.<\/li>\n\n\n\n<li><strong>B\u1ec1 m\u1eb7t l\u00e0m k\u00edn:<\/strong> b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u1edbi gio\u0103ng, ch\u1eb3ng h\u1ea1n m\u1eb7t ph\u1eb3ng (FF) ho\u1eb7c m\u1eb7t nh\u00f4 (RF), theo y\u00eau c\u1ea7u c\u1ee7a m\u1eb7t b\u00edch gh\u00e9p v\u00e0 gio\u0103ng.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-read-dn-and-pn\"><span class=\"ez-toc-section\" id=\"how-to-read-dn-and-pn\"><\/span>C\u00e1ch \u0111\u1ecdc DN v\u00e0 PN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>DN ch\u1ec9 k\u00edch th\u01b0\u1edbc k\u1ebft n\u1ed1i danh ngh\u0129a, c\u00f2n PN ch\u1ec9 d\u00e3y \u00e1p su\u1ea5t ti\u00eau chu\u1ea9n. K\u00fd hi\u1ec7u DN 50 PN 16 ngh\u0129a l\u00e0 k\u1ebft n\u1ed1i danh ngh\u0129a DN 50 thu\u1ed9c d\u00e3y m\u1eb7t b\u00edch PN 16; k\u00fd hi\u1ec7u n\u00e0y kh\u00f4ng t\u1ef1 x\u00e1c nh\u1eadn \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c cho ph\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng, h\u00e3y ki\u1ec3m tra gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t\u2013nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt li\u1ec7u, b\u1ec1 m\u1eb7t v\u00e0 gio\u0103ng y\u00eau c\u1ea7u, d\u1ef1 ph\u00f2ng \u0103n m\u00f2n, v\u1eadt li\u1ec7u bul\u00f4ng v\u00e0 ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh. V\u1edbi m\u1eb7t b\u00edch thi\u1ebft b\u1ecb \u0111o, c\u0169ng c\u1ea7n x\u00e1c nh\u1eadn di\u1ec7n t\u00edch hi\u1ec7u d\u1ee5ng c\u1ee7a m\u00e0ng \u0111\u1ee7 cho d\u1ea3i \u0111o y\u00eau c\u1ea7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-archived-sj-gauge-diaphragm-flange-reference\"><span class=\"ez-toc-section\" id=\"archived-sj-gauge-diaphragm-flange-reference\"><\/span>B\u1ea3ng tham kh\u1ea3o m\u1eb7t b\u00edch m\u00e0ng ng\u0103n SJ Gauge \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00e1c gi\u00e1 tr\u1ecb sau \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c t\u1eeb b\u00e0i vi\u1ebft n\u0103m 2025 c\u1ee7a SJ Gauge v\u00e0 ch\u1ec9 d\u00f9ng tham kh\u1ea3o cho m\u1ed9t s\u1ed1 c\u1ea5u h\u00ecnh m\u00e0ng ng\u0103n. Ch\u00fang kh\u00f4ng thay th\u1ebf ti\u00eau chu\u1ea9n k\u00edch th\u01b0\u1edbc EN 1092-1 \u0111\u1ea7y \u0111\u1ee7 ho\u1eb7c b\u1ea3n v\u1ebd s\u1ea3n ph\u1ea9m \u0111\u00e3 ph\u00ea duy\u1ec7t. K\u00edch th\u01b0\u1edbc t\u00ednh b\u1eb1ng milim\u00e9t; h\u00e3y x\u00e1c nh\u1eadn b\u1ea3n v\u1ebd cu\u1ed1i v\u1edbi SJ Gauge tr\u01b0\u1edbc khi mua.<\/p>\n\n\n\n<div style=\"overflow-x:auto\"><table style=\"width:100%;border-collapse:collapse;min-width:860px\"><thead><tr><th>DN<\/th><th>PN<\/th><th>\u0110\u01b0\u1eddng k\u00ednh hi\u1ec7u d\u1ee5ng m\u00e0ng Mb<\/th><th>\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i D<\/th><th>Chi\u1ec1u d\u00e0y b<\/th><th>\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 bul\u00f4ng d2<\/th><th>V\u00f2ng t\u00e2m bul\u00f4ng K<\/th><th>Chi\u1ec1u cao m\u1eb7t t\u1ef1a F<\/th><th>\u0110\u01b0\u1eddng k\u00ednh trong d4<\/th><th>S\u1ed1 l\u1ed7<\/th><\/tr><\/thead><tbody>\n<tr><td>25<\/td><td>10\/40<\/td><td>32<\/td><td>115<\/td><td>22<\/td><td>14<\/td><td>85<\/td><td>2<\/td><td>68<\/td><td>4<\/td><\/tr>\n<tr><td>25<\/td><td>63\/100<\/td><td>25<\/td><td>140<\/td><td>24<\/td><td>18<\/td><td>100<\/td><td>2<\/td><td>68<\/td><td>4<\/td><\/tr>\n<tr><td>40<\/td><td>10\/40<\/td><td>45<\/td><td>150<\/td><td>18<\/td><td>18<\/td><td>110<\/td><td>2<\/td><td>88<\/td><td>4<\/td><\/tr>\n<tr><td>40<\/td><td>63\/100<\/td><td>45<\/td><td>170<\/td><td>26<\/td><td>22<\/td><td>125<\/td><td>2<\/td><td>88<\/td><td>4<\/td><\/tr>\n<tr><td>40<\/td><td>160<\/td><td>45<\/td><td>170<\/td><td>28<\/td><td>22<\/td><td>125<\/td><td>2<\/td><td>88<\/td><td>4<\/td><\/tr>\n<tr><td>40<\/td><td>250<\/td><td>45<\/td><td>185<\/td><td>34<\/td><td>26<\/td><td>135<\/td><td>2<\/td><td>88<\/td><td>4<\/td><\/tr>\n<tr><td>50<\/td><td>10\/40<\/td><td>59<\/td><td>165<\/td><td>20<\/td><td>18<\/td><td>125<\/td><td>2<\/td><td>102<\/td><td>4<\/td><\/tr>\n<tr><td>50<\/td><td>63<\/td><td>59<\/td><td>180<\/td><td>26<\/td><td>22<\/td><td>135<\/td><td>2<\/td><td>102<\/td><td>4<\/td><\/tr>\n<tr><td>50<\/td><td>100<\/td><td>59<\/td><td>195<\/td><td>28<\/td><td>26<\/td><td>145<\/td><td>2<\/td><td>102<\/td><td>4<\/td><\/tr>\n<tr><td>50<\/td><td>160<\/td><td>59<\/td><td>195<\/td><td>30<\/td><td>26<\/td><td>145<\/td><td>2<\/td><td>102<\/td><td>4<\/td><\/tr>\n<tr><td>50<\/td><td>250<\/td><td>59<\/td><td>200<\/td><td>38<\/td><td>26<\/td><td>150<\/td><td>2<\/td><td>102<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>10\/16<\/td><td>89<\/td><td>200<\/td><td>20<\/td><td>18<\/td><td>160<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>25\/40<\/td><td>89<\/td><td>200<\/td><td>24<\/td><td>18<\/td><td>160<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>63<\/td><td>89<\/td><td>215<\/td><td>28<\/td><td>22<\/td><td>170<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>100<\/td><td>89<\/td><td>230<\/td><td>32<\/td><td>26<\/td><td>180<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>160<\/td><td>89<\/td><td>230<\/td><td>36<\/td><td>26<\/td><td>180<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>250<\/td><td>89<\/td><td>255<\/td><td>46<\/td><td>30<\/td><td>200<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>10\/16<\/td><td>89<\/td><td>220<\/td><td>20<\/td><td>18<\/td><td>180<\/td><td>2<\/td><td>158<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>25\/40<\/td><td>89<\/td><td>235<\/td><td>24<\/td><td>22<\/td><td>190<\/td><td>2<\/td><td>162<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>63<\/td><td>89<\/td><td>250<\/td><td>30<\/td><td>26<\/td><td>200<\/td><td>2<\/td><td>162<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>100<\/td><td>89<\/td><td>265<\/td><td>36<\/td><td>30<\/td><td>210<\/td><td>2<\/td><td>162<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>160<\/td><td>89<\/td><td>265<\/td><td>40<\/td><td>30<\/td><td>210<\/td><td>2<\/td><td>162<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>250<\/td><td>89<\/td><td>300<\/td><td>54<\/td><td>33<\/td><td>235<\/td><td>2<\/td><td>162<\/td><td>8<\/td><\/tr>\n<\/tbody><\/table><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-select-a-din-en-flanged-pressure-instrument\"><span class=\"ez-toc-section\" id=\"how-to-select-a-dinen-flanged-pressure-instrument\"><\/span>C\u00e1ch ch\u1ecdn thi\u1ebft b\u1ecb \u0111o \u00e1p su\u1ea5t n\u1ed1i b\u00edch DIN\/EN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch, DN, PN v\u00e0 b\u1ec1 m\u1eb7t t\u1eeb y\u00eau c\u1ea7u \u0111\u01b0\u1eddng \u1ed1ng.<\/li>\n\n\n\n<li>X\u00e1c nh\u1eadn \u00e1p su\u1ea5t qu\u00e1 tr\u00ecnh, \u00e1p su\u1ea5t thi\u1ebft k\u1ebf, nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u00e1c \u0111\u1ec9nh \u00e1p su\u1ea5t.<\/li>\n\n\n\n<li>Ch\u1ecdn v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac v\u00e0 v\u1eadt li\u1ec7u gio\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi l\u01b0u ch\u1ea5t qu\u00e1 tr\u00ecnh.<\/li>\n\n\n\n<li>Ki\u1ec3m tra \u0111\u01b0\u1eddng k\u00ednh hi\u1ec7u d\u1ee5ng c\u1ee7a m\u00e0ng theo d\u1ea3i \u0111o v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c y\u00eau c\u1ea7u.<\/li>\n\n\n\n<li>Ph\u00ea duy\u1ec7t b\u1ea3n v\u1ebd k\u00edch th\u01b0\u1edbc, b\u1ed1 tr\u00ed bul\u00f4ng, c\u1ea5u h\u00ecnh \u1ed1ng mao d\u1eabn v\u00e0 h\u01b0\u1edbng l\u1eafp \u0111\u1eb7t tr\u01b0\u1edbc khi ch\u1ebf t\u1ea1o.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-din-en-jis-and-asme-are-not-automatically-interchangeable\"><span class=\"ez-toc-section\" id=\"dinen-jis-and-asme-are-not-automatically-interchangeable\"><\/span>M\u1eb7t b\u00edch DIN\/EN, JIS v\u00e0 ASME kh\u00f4ng t\u1ef1 \u0111\u1ed9ng t\u01b0\u01a1ng th\u00edch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1eb7t b\u00edch DIN\/EN d\u00f9ng c\u1ea5p PN, JIS th\u01b0\u1eddng d\u00f9ng c\u1ea5p K, c\u00f2n ASME d\u00f9ng c\u00e1c class \u00e1p su\u1ea5t nh\u01b0 Class 150 ho\u1eb7c Class 300. D\u00f9 k\u00edch th\u01b0\u1edbc danh ngh\u0129a t\u01b0\u01a1ng t\u1ef1, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i, v\u00f2ng bul\u00f4ng, s\u1ed1 l\u1ed7, b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t\u2013nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 kh\u00e1c. Kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ed1i ch\u1ec9 v\u00ec c\u1ee1 \u1ed1ng tr\u00f4ng gi\u1ed1ng nhau.<\/p>\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-is-pn-16-exactly-equal-to-16-bar\">PN 16 c\u00f3 ch\u00ednh x\u00e1c b\u1eb1ng 16 bar kh\u00f4ng?<\/h3>\n\n\n\n<p>Kh\u00f4ng. PN nh\u1eadn d\u1ea1ng m\u1ed9t d\u00e3y m\u1eb7t b\u00edch ti\u00eau chu\u1ea9n. \u00c1p su\u1ea5t cho ph\u00e9p th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u1eadt li\u1ec7u, nhi\u1ec7t \u0111\u1ed9 v\u00e0 ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng; ph\u1ea3i d\u00f9ng quy t\u1eafc \u00e1p su\u1ea5t\u2013nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ti\u00eau chu\u1ea9n v\u00e0 c\u01a1 s\u1edf thi\u1ebft k\u1ebf d\u1ef1 \u00e1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-can-an-old-din-2527-flange-be-replaced-directly-with-an-en-1092-1-flange\">C\u00f3 th\u1ec3 thay tr\u1ef1c ti\u1ebfp m\u1eb7t b\u00edch DIN 2527 c\u0169 b\u1eb1ng EN 1092-1 kh\u00f4ng?<\/h3>\n\n\n\n<p>Kh\u00f4ng th\u1ec3 n\u1ebfu ch\u01b0a ki\u1ec3m tra. H\u00e3y so s\u00e1nh ch\u00ednh x\u00e1c lo\u1ea1i, b\u1ec1 m\u1eb7t, k\u00edch th\u01b0\u1edbc, v\u1eadt li\u1ec7u, b\u1ed1 tr\u00ed bul\u00f4ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng; nh\u1edd k\u1ef9 s\u01b0 \u0111\u01b0\u1eddng \u1ed1ng ph\u1ee5 tr\u00e1ch ho\u1eb7c nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb \u0111o duy\u1ec7t l\u1ea7n cu\u1ed1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-why-does-a-low-pressure-diaphragm-seal-need-a-larger-diaphragm\">V\u00ec sao b\u1ed9 m\u00e0ng ng\u0103n \u00e1p su\u1ea5t th\u1ea5p c\u1ea7n m\u00e0ng l\u1edbn h\u01a1n?<\/h3>\n\n\n\n<p>Di\u1ec7n t\u00edch m\u00e0ng hi\u1ec7u d\u1ee5ng l\u1edbn h\u01a1n c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9 nh\u1ea1y v\u00e0 gi\u1ea3m sai s\u1ed1 do \u0111\u1ed9 c\u1ee9ng c\u1ee7a m\u00e0ng. K\u00edch th\u01b0\u1edbc c\u1ea7n thi\u1ebft c\u00f2n ph\u1ee5 thu\u1ed9c ch\u1ea5t l\u1ecfng \u0111i\u1ec1n \u0111\u1ea7y, chi\u1ec1u d\u00e0i \u1ed1ng mao d\u1eabn, nhi\u1ec7t \u0111\u1ed9 v\u00e0 d\u1ea3i \u0111o c\u1ee7a thi\u1ebft b\u1ecb.<\/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 \u0111o \u00e1p su\u1ea5t tin c\u1eady, c\u1ea7n ch\u1ec9 \u0111\u1ecbnh \u0111\u1ea7y \u0111\u1ee7 k\u1ebft n\u1ed1i m\u1eb7t b\u00edch DIN\/EN v\u00e0 \u1ee9ng d\u1ee5ng thi\u1ebft b\u1ecb, kh\u00f4ng ch\u1ec9 DN v\u00e0 PN. SJ Gauge c\u00f3 th\u1ec3 xem x\u00e9t k\u00edch th\u01b0\u1edbc m\u1eb7t b\u00edch, k\u00edch th\u01b0\u1edbc m\u00e0ng, v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac, l\u1edbp ph\u1ee7\/l\u00f3t, c\u1ed5ng x\u1ea3 r\u1eeda v\u00e0 c\u1ea5u h\u00ecnh m\u00e0ng ng\u0103n t\u1eeb xa cho qu\u00e1 tr\u00ecnh c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p><strong>B\u1ea1n c\u1ea7n duy\u1ec7t b\u1ea3n v\u1ebd m\u1eb7t b\u00edch ho\u1eb7c \u0111\u1ec1 xu\u1ea5t ch\u1ecdn \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t?<\/strong> <a href=\"https:\/\/www.sj-gauge.com\/vi\/contact-us\/\">Li\u00ean h\u1ec7 SJ Gauge<\/a> v\u00e0 cung c\u1ea5p ti\u00eau chu\u1ea9n, DN, PN, l\u01b0u ch\u1ea5t, nhi\u1ec7t \u0111\u1ed9, d\u1ea3i \u00e1p su\u1ea5t v\u00e0 b\u1ea3n v\u1ebd l\u1eafp \u0111\u1eb7t.<\/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.dinmedia.de\/en\/standard\/din-en-1092-1\/276418798\" target=\"_blank\" rel=\"noopener\">DIN EN 1092-1<\/a> v\u00e0 quy \u0111\u1ecbnh d\u1ef1 \u00e1n. Ti\u00eau chu\u1ea9n c\u00f3 b\u1ea3n quy\u1ec1n; h\u00e3y mua t\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c khi c\u1ea7n \u0111\u1ea7y \u0111\u1ee7 y\u00eau c\u1ea7u ho\u1eb7c b\u1ea3ng k\u00edch th\u01b0\u1edbc.<\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u m\u1eb7t b\u00edch DIN\/EN, c\u1ea5p PN v\u00e0 k\u00edch th\u01b0\u1edbc, k\u00e8m b\u1ea3ng tham kh\u1ea3o m\u00e0ng ng\u0103n SJ Gauge \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c t\u1eeb b\u00e0i vi\u1ebft n\u0103m 2025.<\/p>","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-5453","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>Understanding DIN Flange Standards: PN Ratings and Pressure-Gauge Diaphragm Seal Selection - SJ Gauge | Pressure Gauges, Thermometers &amp; 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