{"id":5501,"date":"2026-08-06T12:15:33","date_gmt":"2026-08-06T04:15:33","guid":{"rendered":"https:\/\/www.sj-gauge.com\/?p=5501"},"modified":"2026-08-17T17:22:02","modified_gmt":"2026-08-17T09:22:02","slug":"diaphragm-seal-process-connection","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/vi\/diaphragm-seal-process-connection\/","title":{"rendered":"L\u1ed7i kh\u1edbp n\u1ed1i gio\u0103ng m\u00e0ng: H\u01b0\u1edbng d\u1eabn ren v\u00e0 m\u1eb7t b\u00edch"},"content":{"rendered":"<p>Trong b\u00e0i vi\u1ebft n\u00e0y, m\u1ed9t <strong>m\u00e0ng ch\u1eafn k\u00edn<\/strong> Thu\u1eadt ng\u1eef n\u00e0y ch\u1ec9 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t gi\u1eefa \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t v\u00e0 m\u00f4i ch\u1ea5t trong qu\u00e1 tr\u00ecnh. N\u1ebfu k\u1ebft n\u1ed1i v\u1edbi m\u00f4i ch\u1ea5t kh\u00f4ng kh\u1edbp, c\u1ee5m l\u1eafp r\u00e1p c\u00f3 th\u1ec3 kh\u00f4ng v\u1eeba. Vi\u1ec7c c\u1ed1 g\u1eafng l\u1eafp \u0111\u1eb7t b\u1eb1ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra r\u00f2 r\u1ec9, hi\u1ec7n t\u01b0\u1ee3ng t\u1eafc ngh\u1ebdn ho\u1eb7c \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n \u00e1p su\u1ea5t kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n<p>Khi y\u00eau c\u1ea7u b\u00e1o gi\u00e1, kh\u00f4ng ch\u1ec9 ghi r\u00f5 &quot;ren 1\/4 inch&quot; ho\u1eb7c &quot;m\u1eb7t b\u00edch 2 inch&quot;. C\u1ea7n ph\u1ea3i x\u00e1c nh\u1eadn ti\u00eau chu\u1ea9n k\u1ebft n\u1ed1i \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1512\" height=\"2016\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface.jpg\" alt=\"Flanged diaphragm seal contact surface and sensing diaphragm\" class=\"wp-image-5498\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface.jpg 1512w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-225x300.jpg 225w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-768x1024.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-1152x1536.jpg 1152w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-9x12.jpg 9w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-300x400.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/diaphragm-seal-flange-contact-surface-600x800.jpg 600w\" sizes=\"(max-width: 1512px) 100vw, 1512px\" \/><figcaption class=\"wp-element-caption\">H\u00ecnh 1. B\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a gio\u0103ng m\u00e0ng c\u00f3 m\u1eb7t b\u00edch. K\u00edch th\u01b0\u1edbc m\u1eb7t b\u00edch, ki\u1ec3u b\u1ed1 tr\u00ed bu l\u00f4ng v\u00e0 lo\u1ea1i b\u1ec1 m\u1eb7t ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi k\u1ebft n\u1ed1i c\u1ee7a quy tr\u00ecnh.<\/figcaption><\/figure>\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\/diaphragm-seal-process-connection\/#what-must-be-confirmed-for-a-threaded-connection\" >C\u1ea7n x\u00e1c nh\u1eadn nh\u1eefng g\u00ec \u0111\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u0111a lu\u1ed3ng?<\/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\/diaphragm-seal-process-connection\/#what-must-be-confirmed-for-a-flanged-connection\" >C\u1ea7n x\u00e1c nh\u1eadn nh\u1eefng g\u00ec \u0111\u1ed1i v\u1edbi m\u1ed1i n\u1ed1i m\u1eb7t b\u00edch?<\/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\/diaphragm-seal-process-connection\/#can-sanitary-connections-on-food-processing-equipment-be-adapted\" >C\u00e1c k\u1ebft n\u1ed1i v\u1ec7 sinh tr\u00ean thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p kh\u00f4ng?<\/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\/diaphragm-seal-process-connection\/#can-multiple-adapters-be-used-in-series\" >C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n m\u1eafc n\u1ed1i ti\u1ebfp kh\u00f4ng?<\/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\/diaphragm-seal-process-connection\/#relevant-international-standards\" >C\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf c\u00f3 li\u00ean quan<\/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\/diaphragm-seal-process-connection\/#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\/diaphragm-seal-process-connection\/#conclusion\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-must-be-confirmed-for-a-threaded-connection\"><span class=\"ez-toc-section\" id=\"what-must-be-confirmed-for-a-threaded-connection\"><\/span>C\u1ea7n x\u00e1c nh\u1eadn nh\u1eefng g\u00ec \u0111\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u0111a lu\u1ed3ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n ren: NPT, G\/BSPP, R\/BSPT, ho\u1eb7c ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p kh\u00e1c.<\/li>\n\n\n\n<li>K\u1ebft n\u1ed1i nam ho\u1eb7c n\u1eef<\/li>\n\n\n\n<li>K\u00edch th\u01b0\u1edbc danh ngh\u0129a v\u00e0 b\u01b0\u1edbc ren<\/li>\n\n\n\n<li>\u0110i\u1ec3m l\u00e0m k\u00edn v\u00e0 v\u1eadt li\u1ec7u l\u00e0m k\u00edn<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u k\u1ebft n\u1ed1i v\u00e0 \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c lo\u1ea1i ren c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u01b0\u01a1ng t\u1ef1 nhau kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i t\u01b0\u01a1ng th\u00edch. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c \u00e9p ch\u00fang l\u1ea1i v\u1edbi nhau ho\u1eb7c c\u1ed1 g\u1eafng b\u00f9 \u0111\u1eafp s\u1ef1 kh\u00f4ng kh\u1edbp b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u b\u0103ng keo b\u1ecbt k\u00edn ren.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-must-be-confirmed-for-a-flanged-connection\"><span class=\"ez-toc-section\" id=\"what-must-be-confirmed-for-a-flanged-connection\"><\/span>C\u1ea7n x\u00e1c nh\u1eadn nh\u1eefng g\u00ec \u0111\u1ed1i v\u1edbi m\u1ed1i n\u1ed1i m\u1eb7t b\u00edch?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ngo\u00e0i k\u00edch th\u01b0\u1edbc m\u1eb7t b\u00edch danh ngh\u0129a, vui l\u00f2ng x\u00e1c nh\u1eadn th\u00eam c\u00e1c th\u00f4ng tin sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch \u00e1p d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 ASME\/ANSI, EN ho\u1eb7c JIS.<\/li>\n\n\n\n<li>C\u1ea5p \u00e1p su\u1ea5t ho\u1eb7c \u0111\u1ecbnh m\u1ee9c<\/li>\n\n\n\n<li>Lo\u1ea1i m\u1eb7t b\u00edch<\/li>\n\n\n\n<li>S\u1ed1 l\u01b0\u1ee3ng l\u1ed7 bu l\u00f4ng v\u00e0 k\u00edch th\u01b0\u1edbc v\u00f2ng bu l\u00f4ng<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u gio\u0103ng<\/li>\n\n\n\n<li>M\u00e0ng ng\u0103n c\u00f3 c\u1ea7n ph\u1ea3i n\u1eb1m ngang b\u1eb1ng v\u1edbi b\u1ec1 m\u1eb7t l\u00e0m k\u00edn hay kh\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<p>Hai m\u1eb7t b\u00edch c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc danh ngh\u0129a v\u1eabn c\u00f3 th\u1ec3 kh\u00f4ng t\u01b0\u01a1ng th\u00edch n\u1ebfu \u00e1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c, ki\u1ec3u b\u1ed1 tr\u00ed bu l\u00f4ng ho\u1eb7c lo\u1ea1i b\u1ec1 m\u1eb7t c\u1ee7a ch\u00fang kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"2560\" height=\"1920\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-scaled.jpg\" alt=\"SJ Gauge pressure transmitter with flanged diaphragm seal and process connection\" class=\"wp-image-4644\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-scaled.jpg 2560w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-300x225.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-1024x768.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-768x576.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-1536x1152.jpg 1536w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-2048x1536.jpg 2048w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-16x12.jpg 16w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/SJ-Gauge-pressure-transmitter-flanged-connection-screwed-diaphragm-1-600x450.jpg 600w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">H\u00ecnh 2. C\u1ee5m b\u1ed9 c\u00e1ch ly m\u00e0ng d\u1ea1ng m\u1eb7t b\u00edch v\u00e0 b\u1ed9 truy\u1ec1n \u00e1p su\u1ea5t. Tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t, h\u00e3y x\u00e1c nh\u1eadn ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch, c\u1ea5p \u00e1p su\u1ea5t, b\u1ed1 tr\u00ed l\u1ed7 bu l\u00f4ng v\u00e0 ki\u1ec3u b\u1ec1 m\u1eb7t l\u00e0m k\u00edn.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-can-sanitary-connections-on-food-processing-equipment-be-adapted\"><span class=\"ez-toc-section\" id=\"can-sanitary-connections-on-food-processing-equipment-be-adapted\"><\/span>C\u00e1c k\u1ebft n\u1ed1i v\u1ec7 sinh tr\u00ean thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00e1c m\u1ed1i n\u1ed1i v\u1ec7 sinh ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u1ec1 k\u00edch th\u01b0\u1edbc, v\u1eadt li\u1ec7u gio\u0103ng, \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch. Vi\u1ec7c th\u00eam m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ren \u0111a n\u0103ng ch\u1ec9 \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 th\u1ec3 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn thi\u1ebft k\u1ebf v\u1ec7 sinh ban \u0111\u1ea7u v\u00e0 t\u1ea1o ra c\u00e1c khu v\u1ef1c gi\u1eef l\u1ea1i s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-can-multiple-adapters-be-used-in-series\"><span class=\"ez-toc-section\" id=\"can-multiple-adapters-be-used-in-series\"><\/span>C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n m\u1eafc n\u1ed1i ti\u1ebfp kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Vi\u1ec7c n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb. M\u1ed7i m\u1ed1i n\u1ed1i b\u1ed5 sung t\u1ea1o ra m\u1ed9t \u0111i\u1ec3m r\u00f2 r\u1ec9 ti\u1ec1m t\u00e0ng kh\u00e1c v\u00e0 m\u1ed9t khu v\u1ef1c kh\u00e1c n\u01a1i m\u00f4i ch\u1ea5t trong qu\u00e1 tr\u00ecnh c\u00f3 th\u1ec3 t\u00edch t\u1ee5. C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u1ebfp ch\u1ed3ng l\u00ean nhau c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn m\u00e0ng ch\u1eafn ch\u1ecbu th\u00eam tr\u1ecdng l\u01b0\u1ee3ng, rung \u0111\u1ed9ng v\u00e0 t\u1ea3i tr\u1ecdng u\u1ed1n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"540\" height=\"720\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/flanged-diaphragm-seal-assembly.jpg\" alt=\"Flanged diaphragm seal pressure measurement assembly\" class=\"wp-image-5500\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/flanged-diaphragm-seal-assembly.jpg 540w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/flanged-diaphragm-seal-assembly-225x300.jpg 225w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/flanged-diaphragm-seal-assembly-9x12.jpg 9w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/08\/flanged-diaphragm-seal-assembly-300x400.jpg 300w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/><figcaption class=\"wp-element-caption\">H\u00ecnh 3. B\u1ed9 ph\u1eadn \u0111o \u00e1p su\u1ea5t m\u00e0ng ch\u1eafn c\u00f3 m\u1eb7t b\u00edch. X\u00e1c nh\u1eadn th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt k\u1ebft n\u1ed1i c\u1ea3 ph\u00eda thi\u1ebft b\u1ecb v\u00e0 ph\u00eda quy tr\u00ecnh.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-relevant-international-standards\"><span class=\"ez-toc-section\" id=\"relevant-international-standards\"><\/span>C\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf c\u00f3 li\u00ean quan<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00e1c ti\u00eau chu\u1ea9n sau \u0111\u00e2y c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c l\u1ef1a ch\u1ecdn k\u1ebft n\u1ed1i, c\u00e0i \u0111\u1eb7t v\u00e0 x\u00e1c minh cho \u1ee9ng d\u1ee5ng n\u00e0y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b40-100-pressure-gauges-gauge-attachments\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Ti\u00eau chu\u1ea9n ASME B40.100-2022<\/strong><\/a>N\u1ed9i dung bao g\u1ed3m \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n k\u00e8m theo, bao g\u1ed3m c\u1ea3 m\u00e0ng ch\u1eafn, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p thu\u1eadt ng\u1eef, c\u1ea5u t\u1ea1o, l\u1eafp \u0111\u1eb7t, ki\u1ec3m tra v\u00e0 c\u00e1c khuy\u1ebfn ngh\u1ecb chung.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b31-3-process-piping\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ASME B31.3-2024<\/strong><\/a>Cung c\u1ea5p c\u00e1c y\u00eau c\u1ea7u v\u1ec1 thi\u1ebft k\u1ebf \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p, v\u1eadt li\u1ec7u, linh ki\u1ec7n, ch\u1ebf t\u1ea1o, l\u1eafp r\u00e1p, ki\u1ec3m tra v\u00e0 th\u1eed nghi\u1ec7m. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra khi l\u1ef1a ch\u1ecdn c\u00e1c m\u1ed1i n\u1ed1i v\u00e0 m\u1eb7t b\u00edch.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/bioprocessing-equipment\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ASME BPE-2026<\/strong><\/a>\u00c1p d\u1ee5ng cho thi\u1ebft b\u1ecb x\u1eed l\u00fd ch\u1ea5t l\u1ecfng m\u1edbi d\u00e0nh cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p y\u00eau c\u1ea7u m\u1ee9c \u0111\u1ed9 tinh khi\u1ebft v\u00e0 ki\u1ec3m so\u00e1t t\u1ea3i l\u01b0\u1ee3ng sinh h\u1ecdc nh\u1ea5t \u0111\u1ecbnh. C\u00e1c k\u1ebft n\u1ed1i v\u1ec7 sinh cho \u1ee9ng d\u1ee5ng th\u1ef1c ph\u1ea9m, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh ri\u00eang v\u00e0 kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 c\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i th\u00f4ng th\u01b0\u1eddng.<\/li>\n<\/ul>\n\n\n\n<p><strong>Ghi ch\u00fa v\u1ec1 ti\u00eau chu\u1ea9n:<\/strong> X\u00e1c nh\u1eadn ph\u1ea1m vi, phi\u00ean b\u1ea3n v\u00e0 t\u00e0i li\u1ec7u ch\u1ee9ng nh\u1eadn \u00e1p d\u1ee5ng cho v\u1ecb tr\u00ed thi\u1ebft b\u1ecb, r\u1ee7i ro quy tr\u00ecnh v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt mua s\u1eafm. Vi\u1ec7c tham chi\u1ebfu m\u1ed9t ti\u00eau chu\u1ea9n kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 s\u1ea3n ph\u1ea9m t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn v\u00e0 kh\u00f4ng thay th\u1ebf vi\u1ec7c xem x\u00e9t c\u1ea5u h\u00ecnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/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-can-an-old-product-photo-confirm-the-connection-specification\">\u1ea2nh s\u1ea3n ph\u1ea9m c\u0169 c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt k\u1ebft n\u1ed1i kh\u00f4ng?<\/h3>\n\n\n\n<p>\u1ea2nh ch\u1ee5p c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 \u0111\u00e1nh gi\u00e1 ban \u0111\u1ea7u, nh\u01b0ng ti\u00eau chu\u1ea9n m\u1eb7t b\u00edch, b\u01b0\u1edbc ren, \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t v\u00e0 lo\u1ea1i b\u1ec1 m\u1eb7t v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn t\u1eeb s\u1ed1 hi\u1ec7u m\u1eabu, b\u1ea3n v\u1ebd ho\u1eb7c ph\u00e9p \u0111o th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-if-the-connection-can-be-installed-does-that-mean-it-is-suitable-for-service\">N\u1ebfu c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng d\u00e2y k\u1ebft n\u1ed1i, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 n\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng?<\/h3>\n\n\n\n<p>Kh\u00f4ng. \u00c1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9, v\u1eadt li\u1ec7u, l\u1ef1a ch\u1ecdn gio\u0103ng v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi m\u00f4i ch\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra.<\/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>Kh\u00f4ng th\u1ec3 ch\u1ec9 l\u1ef1a ch\u1ecdn m\u1ed1i n\u1ed1i gio\u0103ng m\u00e0ng ch\u1eafn d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc danh ngh\u0129a. Ti\u00eau chu\u1ea9n ren, d\u1ea1ng ren ngo\u00e0i (\u0111\u1ea7u \u0111\u1ef1c ho\u1eb7c \u0111\u1ea7u c\u00e1i), \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t m\u1eb7t b\u00edch, lo\u1ea1i b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, ki\u1ec3u b\u1ed1 tr\u00ed bu l\u00f4ng v\u00e0 gio\u0103ng \u0111\u1ec1u ph\u1ea3i t\u01b0\u01a1ng th\u00edch.<\/p>\n\n\n\n<p>H\u00e3y g\u1eedi cho SJ Gauge th\u00f4ng tin chi ti\u1ebft v\u1ec1 k\u1ebft n\u1ed1i quy tr\u00ecnh, m\u00f4i ch\u1ea5t, \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9 v\u00e0 b\u1ea5t k\u1ef3 b\u1ea3n v\u1ebd ho\u1eb7c h\u00ecnh \u1ea3nh n\u00e0o c\u00f3 s\u1eb5n. Nh\u00f3m c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 gi\u00fap x\u00e1c nh\u1eadn k\u1ebft n\u1ed1i m\u00e0ng ch\u1eafn ph\u00f9 h\u1ee3p. <a href=\"https:\/\/www.sj-gauge.com\/vi\/contact\/\">Li\u00ean h\u1ec7 SJ Gauge<\/a>.<\/p>\n\n\n\n<p><strong>B\u00e0i vi\u1ebft li\u00ean quan:<\/strong> <a href=\"https:\/\/www.sj-gauge.com\/vi\/pressure-gauge-npt-pt-g-thread\/\">Ph\u00e2n bi\u1ec7t ren NPT, PT v\u00e0 G c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t: Ti\u00eau chu\u1ea9n ren v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m k\u00edn<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>In this article, a diaphragm seal means the device installed between a pressure gauge and the process medium. If the process connection does not match, the assembly may not fit. Forcing the installation with adapters can also create leaks, dead legs, or inadequate pressure integrity. Do not specify only a &#8220;1\/4-inch thread&#8221; or a &#8220;2-inch [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5498,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[73],"class_list":["post-5501","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-knowledge"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Diaphragm Seal Connection Mismatch: Thread &amp; Flange Guide<\/title>\n<meta name=\"description\" content=\"A diaphragm seal may not fit when the thread standard, flange rating, sealing face, or bolt pattern is incompatible. 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