{"id":2216,"date":"2025-02-19T11:45:25","date_gmt":"2025-02-19T03:45:25","guid":{"rendered":"https:\/\/sj-gauge.com\/?p=2216"},"modified":"2026-08-22T15:52:08","modified_gmt":"2026-08-22T07:52:08","slug":"diaphragm-seal-usage","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/vi\/diaphragm-seal-usage\/","title":{"rendered":"Khi n\u00e0o c\u1ea7n l\u1eafp m\u00e0ng ng\u0103n \u00e1p su\u1ea5t cho \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t?"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u0110\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t th\u01b0\u1eddng xuy\u00ean h\u01b0 h\u1ecfng d\u00f9 \u0111\u00e3 \u0111\u01b0\u1ee3c thay m\u1edbi?<\/strong><br>Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb m\u00f4i ch\u1ea5t ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n ngu\u1ed3n \u00e1p. B\u00e0i vi\u1ebft n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh khi n\u00e0o c\u1ea7n b\u1ed5 sung m\u00e0ng ng\u0103n \u00e1p su\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111\u1ed3ng h\u1ed3 \u0111o v\u00e0 duy tr\u00ec \u0111\u1ed9 tin c\u1eady c\u1ee7a ph\u00e9p \u0111o.<\/p>\n<\/blockquote>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87 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-usage\/#1-when-the-media-crystallizes-easily-contains-impurities-or-is-too-thick\" >1. Khi m\u00f4i ch\u1ea5t d\u1ec5 k\u1ebft tinh, ch\u1ee9a t\u1ea1p ch\u1ea5t ho\u1eb7c c\u00f3 \u0111\u1ed9 nh\u1edbt cao<\/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-usage\/#2-when-the-media-is-strongly-acidic-or-corrosive\" >2. Khi m\u00f4i ch\u1ea5t c\u00f3 t\u00ednh axit m\u1ea1nh ho\u1eb7c \u0103n m\u00f2n<\/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-usage\/#3-but-how-do-diaphragm-seals-work-with-pressure-gauges\" >3. M\u00e0ng ng\u0103n \u00e1p su\u1ea5t ho\u1ea1t \u0111\u1ed9ng v\u1edbi \u0111\u1ed3ng h\u1ed3 \u0111o nh\u01b0 th\u1ebf n\u00e0o?<\/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-usage\/#4-the-application-of-diaphragm-seal-pressure-gauges\" >4. \u1ee8ng d\u1ee5ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t c\u00f3 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-5\" href=\"https:\/\/www.sj-gauge.com\/vi\/diaphragm-seal-usage\/#5-the-connection-design-of-diaphragm-seal-pressure-gauges\" >5. C\u00e1c ki\u1ec3u k\u1ebft n\u1ed1i c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e0ng ng\u0103n \u00e1p su\u1ea5t<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-3d8d0d73e56ada2b7354201e7aa531ab\" id=\"h-1-when-the-media-crystallizes-easily-contains-impurities-or-is-too-thick\"><span class=\"ez-toc-section\" id=\"1-when-the-media-crystallizes-easily-contains-impurities-or-is-too-thick\"><\/span>1. Khi m\u00f4i ch\u1ea5t d\u1ec5 k\u1ebft tinh, ch\u1ee9a t\u1ea1p ch\u1ea5t ho\u1eb7c c\u00f3 \u0111\u1ed9 nh\u1edbt cao<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Trong h\u1ec7 th\u1ed1ng \u0111o tr\u1ef1c ti\u1ebfp, m\u00f4i ch\u1ea5t \u0111i v\u00e0o ph\u1ea7n t\u1eed \u0111o nh\u01b0 \u1ed1ng Bourdon, \u1ed1ng xo\u1eafn ho\u1eb7c \u1ed1ng x\u1ebfp. V\u1edbi m\u00f4i ch\u1ea5t d\u1ec5 k\u1ebft tinh, ch\u1ee9a h\u1ea1t ho\u1eb7c c\u00f3 \u0111\u1ed9 nh\u1edbt cao, n\u00ean l\u1eafp m\u00e0ng ng\u0103n \u00e1p su\u1ea5t \u0111\u1ec3 c\u00e1ch ly ph\u1ea7n t\u1eed \u0111o v\u00e0 h\u1ea1n ch\u1ebf t\u1eafc ngh\u1ebdn. Ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m th\u01b0\u1eddng s\u1eed d\u1ee5ng ki\u1ec3u m\u00e0ng ng\u0103n v\u1ec7 sinh v\u00ec d\u1ec5 l\u00e0m s\u1ea1ch v\u00e0 thay th\u1ebf. C\u00e1c m\u00f4i ch\u1ea5t \u0111i\u1ec3n h\u00ecnh g\u1ed3m n\u01b0\u1edbc mu\u1ed1i, n\u01b0\u1edbc th\u1ea3i, l\u01b0u ch\u1ea5t ch\u1ee9a t\u1ea1p ch\u1ea5t, latex v\u00e0 nh\u1ef1a \u0111\u01b0\u1eddng.<\/p>\n\n\n\n<p>(\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/www.sj-gauge.com\/vi\/product\/dis-c\/\">DIS-C | Gio\u0103ng m\u00e0ng ch\u1eafn ba ch\u1ea5u v\u1ec7 sinh<\/a>)<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-66e718bc7a16c6e6e854d077977d933c\" id=\"h-2-when-the-media-is-strongly-acidic-or-corrosive\"><span class=\"ez-toc-section\" id=\"2-when-the-media-is-strongly-acidic-or-corrosive\"><\/span>2. Khi m\u00f4i ch\u1ea5t c\u00f3 t\u00ednh axit m\u1ea1nh ho\u1eb7c \u0103n m\u00f2n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>D\u00f9 h\u1ec7 th\u1ed1ng \u0111o b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n nh\u1ea5t \u0111\u1ecbnh, m\u00f4i ch\u1ea5t axit, ki\u1ec1m m\u1ea1nh ho\u1eb7c h\u00f3a ch\u1ea5t \u0103n m\u00f2n v\u1eabn n\u00ean \u0111\u01b0\u1ee3c c\u00e1ch ly b\u1eb1ng m\u00e0ng ng\u0103n \u00e1p su\u1ea5t \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng ph\u1ea7n t\u1eed \u0111o. C\u00e1c m\u00f4i ch\u1ea5t th\u01b0\u1eddng g\u1eb7p g\u1ed3m axit hydrochloric, axit nitric, amoniac v\u00e0 axit sulfuric. Vi\u1ec7c l\u1ef1a ch\u1ecdn l\u1edbp l\u00f3t, l\u1edbp ph\u1ee7 v\u00e0 v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb; c\u00e1c v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn g\u1ed3m th\u00e9p kh\u00f4ng g\u1ec9, PTFE, tantalum v\u00e0 Hastelloy.<\/p>\n\n\n\n<p>(\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/www.sj-gauge.com\/vi\/product\/dit-p\/\">DIT-P | Gio\u0103ng m\u00e0ng ren b\u1eb1ng nh\u1ef1a ch\u1ed1ng \u0103n m\u00f2n<\/a>)<\/p>\n\n\n\n<p>Tham kh\u1ea3o b\u1ea3ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a kim lo\u1ea1i, nh\u1ef1a v\u00e0 PP \u0111\u1ec3 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng h\u00f3a ch\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-50b3dca95659684c5f0e8fd8adc09b24\" id=\"h-3-but-how-do-diaphragm-seals-work-with-pressure-gauges\"><span class=\"ez-toc-section\" id=\"3-but-how-do-diaphragm-seals-work-with-pressure-gauges\"><\/span>3. M\u00e0ng ng\u0103n \u00e1p su\u1ea5t ho\u1ea1t \u0111\u1ed9ng v\u1edbi \u0111\u1ed3ng h\u1ed3 \u0111o nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u1ebfu kh\u00f4ng c\u00f3 m\u00e0ng ng\u0103n, m\u00f4i ch\u1ea5t s\u1ebd \u0111i tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng \u0111o c\u1ee7a \u0111\u1ed3ng h\u1ed3 c\u01a1 v\u00e0 t\u00e1c \u0111\u1ed9ng l\u00ean ph\u1ea7n t\u1eed \u0111\u00e0n h\u1ed3i \u0111\u1ec3 d\u1eabn \u0111\u1ed9ng kim. Xem th\u00eam b\u00e0i vi\u1ebft v\u1ec1 c\u1ea5u t\u1ea1o b\u00ean trong c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t c\u01a1 \u0111\u1ec3 hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<p>(\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/www.sj-gauge.com\/vi\/mechanical-gauge-internal-structures\/\">C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t c\u01a1 h\u1ecdc l\u00e0 g\u00ec?<\/a>)<\/p>\n\n\n\n<p>Khi t\u00edch h\u1ee3p m\u00e0ng ng\u0103n, m\u1ed9t l\u1edbp c\u00e1ch ly \u0111\u01b0\u1ee3c \u0111\u1eb7t gi\u1eefa k\u1ebft n\u1ed1i quy tr\u00ecnh v\u00e0 \u0111\u1ed3ng h\u1ed3. \u00c1p su\u1ea5t c\u1ee7a m\u00f4i ch\u1ea5t t\u00e1c \u0111\u1ed9ng l\u00ean m\u00e0ng v\u00e0 \u0111\u01b0\u1ee3c truy\u1ec1n qua ch\u1ea5t l\u1ecfng \u0111i\u1ec1n \u0111\u1ea7y \u0111\u1ebfn ph\u1ea7n t\u1eed \u0111o, nh\u1edd \u0111\u00f3 \u0111\u1ed3ng h\u1ed3 v\u1eabn hi\u1ec3n th\u1ecb ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi m\u00f4i ch\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"707\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ_diaphragm_seals_work_with_pressure_gauge.jpg\" alt=\"\" class=\"wp-image-2217\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ_diaphragm_seals_work_with_pressure_gauge.jpg 1000w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ_diaphragm_seals_work_with_pressure_gauge-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ_diaphragm_seals_work_with_pressure_gauge-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ_diaphragm_seals_work_with_pressure_gauge-600x424.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-cf53102ec909447489edbe6075d9d8a8\" id=\"h-4-the-application-of-diaphragm-seal-pressure-gauges\"><span class=\"ez-toc-section\" id=\"4-the-application-of-diaphragm-seal-pressure-gauges\"><\/span>4. \u1ee8ng d\u1ee5ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t c\u00f3 m\u00e0ng ng\u0103n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u00e0ng ng\u0103n \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong h\u00f3a d\u1ea7u, y t\u1ebf, d\u01b0\u1ee3c ph\u1ea9m, th\u1ef1c ph\u1ea9m v\u00e0 c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-55e6d37b750475cde1ab786ec1f13a7e\" id=\"h-5-the-connection-design-of-diaphragm-seal-pressure-gauges\"><span class=\"ez-toc-section\" id=\"5-the-connection-design-of-diaphragm-seal-pressure-gauges\"><\/span>5. C\u00e1c ki\u1ec3u k\u1ebft n\u1ed1i c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e0ng ng\u0103n \u00e1p su\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ba ki\u1ec3u k\u1ebft n\u1ed1i ch\u00ednh g\u1ed3m ren, m\u1eb7t b\u00edch v\u00e0 k\u1ebft n\u1ed1i v\u1ec7 sinh. Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o ng\u00e0nh \u1ee9ng d\u1ee5ng, \u0111\u1eb7c t\u00ednh m\u00f4i ch\u1ea5t, d\u1ea3i \u00e1p su\u1ea5t, kh\u00f4ng gian l\u1eafp \u0111\u1eb7t v\u00e0 ti\u00eau chu\u1ea9n k\u1ebft n\u1ed1i. H\u00e3y li\u00ean h\u1ec7 SJ Gauge \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n c\u1ea5u h\u00ecnh v\u00e0 v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\" style=\"border-style:none;border-width:0px\">\n<figure class=\"wp-block-image size-large is-style-rounded\"><img decoding=\"async\" width=\"260\" height=\"220\" data-id=\"2224\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/02_SJ_Threaded_diaphragm_seals-2.jpg\" alt=\"\" class=\"wp-image-2224\" style=\"aspect-ratio:1;object-fit:cover\"\/><figcaption class=\"wp-element-caption\">M\u00e0ng ng\u0103n \u00e1p su\u1ea5t k\u1ebft n\u1ed1i ren<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-style-rounded\" style=\"margin-top:0;margin-bottom:0\"><img decoding=\"async\" width=\"260\" height=\"220\" data-id=\"2226\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/04_SJ_Sanitary_diaphragm_seals-2.jpg\" alt=\"\" class=\"wp-image-2226\" style=\"aspect-ratio:1;object-fit:cover\"\/><figcaption class=\"wp-element-caption\">M\u00e0ng ng\u0103n \u00e1p su\u1ea5t v\u1ec7 sinh<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"260\" height=\"220\" data-id=\"2225\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/03_SJ_Flange_connection-2.jpg\" alt=\"\" class=\"wp-image-2225\" style=\"aspect-ratio:1;object-fit:cover\"\/><figcaption class=\"wp-element-caption\">K\u1ebft n\u1ed1i m\u1eb7t b\u00edch<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p>N\u1ebfu v\u1eabn ch\u01b0a ch\u1eafc ch\u1eafn v\u1ec1 ki\u1ec3u k\u1ebft n\u1ed1i, v\u1eadt li\u1ec7u m\u00e0ng ho\u1eb7c ch\u1ea5t l\u1ecfng \u0111i\u1ec1n \u0111\u1ea7y, h\u00e3y cung c\u1ea5p th\u00f4ng tin m\u00f4i ch\u1ea5t, nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t. SJ Gauge s\u1ebd h\u1ed7 tr\u1ee3 l\u1ef1a ch\u1ecdn h\u1ec7 th\u1ed1ng m\u00e0ng ng\u0103n \u00e1p su\u1ea5t ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Are your pressure gauges often failing, even after they were replaced?The problem may be related to the media (pressure source). Through this article, SJ Gauge will help you identify if your pressure gauge needs the addition of a diaphragm seal. 1. When the media crystallizes easily, contains impurities or is too thick: During measurement, the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2227,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[71],"class_list":["post-2216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-pressure"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>In What Situation Should A Diaphragm Seal Be Integrated to Your Pressure Gauge? - 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\/diaphragm-seal-usage\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"In What Situation Should A Diaphragm Seal Be Integrated to Your Pressure Gauge?\" \/>\n<meta property=\"og:description\" content=\"Are your pressure gauges often failing, even after they were replaced?The problem may be related to the media (pressure source). 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