{"id":2216,"date":"2025-02-19T11:45:25","date_gmt":"2025-02-19T03:45:25","guid":{"rendered":"https:\/\/sj-gauge.com\/?p=2216"},"modified":"2026-04-13T13:00:05","modified_gmt":"2026-04-13T05:00:05","slug":"diaphragm-seal-usage","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/vi\/diaphragm-seal-usage\/","title":{"rendered":"Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o n\u00ean t\u00edch h\u1ee3p ph\u1edbt m\u00e0ng v\u00e0o \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t c\u1ee7a b\u1ea1n?"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>C\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t c\u1ee7a b\u1ea1n c\u00f3 th\u01b0\u1eddng xuy\u00ean h\u1ecfng h\u00f3c, ngay c\u1ea3 sau khi \u0111\u00e3 \u0111\u01b0\u1ee3c thay th\u1ebf?<\/strong><br>V\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn ngu\u1ed3n \u00e1p su\u1ea5t (ngu\u1ed3n \u00e1p). Th\u00f4ng qua b\u00e0i vi\u1ebft n\u00e0y, SJ Gauge s\u1ebd gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh xem \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t c\u1ee7a b\u1ea1n c\u00f3 c\u1ea7n l\u1eafp th\u00eam b\u1ed9 seal m\u00e0ng hay kh\u00f4ng.<\/p>\n<\/blockquote>\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-usage\/#1-when-the-media-crystallizes-easily-contains-impurities-or-is-too-thick\" >1. Khi ch\u1ea5t n\u1ec1n d\u1ec5 k\u1ebft tinh, ch\u1ee9a t\u1ea1p ch\u1ea5t ho\u1eb7c qu\u00e1 \u0111\u1eb7c:<\/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 tr\u01b0\u1eddng 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. Nh\u01b0ng c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c ph\u1edbt m\u00e0ng (diaphragm seals) v\u1edbi \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t l\u00e0 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 \u00e1p su\u1ea5t c\u00f3 m\u00e0ng ch\u1eafn:<\/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. Thi\u1ebft k\u1ebf k\u1ebft n\u1ed1i c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t c\u00f3 m\u00e0ng ch\u1eafn:<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-ab0937c674a2709d4caf2a183a5c655a\"><span class=\"ez-toc-section\" id=\"1-when-the-media-crystallizes-easily-contains-impurities-or-is-too-thick\"><\/span>1. Khi ch\u1ea5t n\u1ec1n d\u1ec5 k\u1ebft tinh, ch\u1ee9a t\u1ea1p ch\u1ea5t ho\u1eb7c qu\u00e1 \u0111\u1eb7c:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh \u0111o l\u01b0\u1eddng, ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed \u0111\u01b0\u1ee3c d\u1eabn tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng (\u1ed1ng Bourdon, \u1ed1ng xo\u1eafn \u1ed1c, \u1ed1ng bellow, v.v.). \u0110\u1ec3 tr\u00e1nh t\u1eafc ngh\u1ebdn, n\u00ean t\u00edch h\u1ee3p m\u1ed9t b\u1ed9 ph\u1eadn c\u00e1ch ly m\u00e0ng \u0111\u1ec3 t\u00e1ch bi\u1ec7t ngu\u1ed3n \u00e1p su\u1ea5t. V\u00ed d\u1ee5, ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t m\u00e0ng v\u1ec7 sinh \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t. Lo\u1ea1i ph\u1edbt \u00e1p su\u1ea5t n\u00e0y kh\u00f4ng ch\u1ec9 c\u00e1ch ly ch\u1ea5t l\u1ecfng \u0111o l\u01b0\u1eddng m\u00e0 c\u00f2n d\u1ec5 d\u00e0ng v\u1ec7 sinh v\u00e0 thay th\u1ebf. C\u00e1c ngu\u1ed3n \u00e1p su\u1ea5t d\u1ec5 k\u1ebft tinh bao g\u1ed3m n\u01b0\u1edbc mu\u1ed1i, ngu\u1ed3n \u00e1p su\u1ea5t ch\u1ee9a t\u1ea1p ch\u1ea5t, n\u01b0\u1edbc th\u1ea3i v\u00e0 n\u01b0\u1edbc c\u1ed1ng, c\u0169ng nh\u01b0 c\u00e1c ngu\u1ed3n \u00e1p su\u1ea5t qu\u00e1 \u0111\u1eb7c nh\u01b0 cao su latex v\u00e0 nh\u1ef1a \u0111\u01b0\u1eddng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-8a104685090d77c44beca201389f762f\"><span class=\"ez-toc-section\" id=\"2-when-the-media-is-strongly-acidic-or-corrosive\"><\/span>2. Khi m\u00f4i tr\u01b0\u1eddng 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>M\u1eb7c d\u00f9 c\u00e1c h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 ki\u1ec1m y\u1ebfu, nh\u01b0ng m\u00e0ng ch\u1eafn (diaphragm seal) ph\u00f9 h\u1ee3p h\u01a1n \u0111\u1ec3 s\u1eed d\u1ee5ng v\u1edbi c\u00e1c ch\u1ea5t l\u1ecfng c\u00f3 t\u00ednh ki\u1ec1m m\u1ea1nh ho\u1eb7c \u0103n m\u00f2n cao. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n ch\u1ea5t l\u1ecfng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi \u1ed1ng, t\u1eeb \u0111\u00f3 tr\u00e1nh \u0111\u01b0\u1ee3c \u0103n m\u00f2n ho\u1eb7c v\u1ee1 \u1ed1ng. C\u00e1c v\u00ed d\u1ee5 v\u1ec1 c\u00e1c ch\u1ea5t l\u1ecfng n\u00e0y bao g\u1ed3m: axit clohydric, axit nitric, amoniac v\u00e0 axit sunfuric. L\u1edbp l\u00f3t v\u00e0 ph\u1ee7 b\u1ec1 m\u1eb7t c\u0169ng gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb \u0111o. C\u00e1c v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn cho m\u00e0ng ch\u1eafn bao g\u1ed3m: th\u00e9p kh\u00f4ng g\u1ec9, PTFE (Teflon), tantalum v\u00e0 Hastelloy.<\/p>\n\n\n\n<p>Xem b\u1ea3ng kh\u00e1ng \u0103n m\u00f2n c\u1ee7a kim lo\u1ea1i, nh\u1ef1a v\u00e0 PP \u0111\u1ec3 ki\u1ec3m tra kh\u1ea3 n\u0103ng kh\u00e1ng \u0103n m\u00f2n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00e1c h\u00f3a ch\u1ea5t kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-f983dae4a8d9816b5809650f8f870094\"><span class=\"ez-toc-section\" id=\"3-but-how-do-diaphragm-seals-work-with-pressure-gauges\"><\/span>3. Nh\u01b0ng c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c ph\u1edbt m\u00e0ng (diaphragm seals) v\u1edbi \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t l\u00e0 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 ch\u1eafn, ch\u1ea5t l\u1ecfng s\u1ebd ch\u1ea3y tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t c\u01a1 h\u1ecdc v\u00e0 l\u00e0m kim ch\u1ec9 s\u1ed1 quay. \u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u1ea5u t\u1ea1o b\u00ean trong c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t, h\u00e3y tham kh\u1ea3o b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i: C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t c\u01a1 h\u1ecdc l\u00e0 g\u00ec.<\/p>\n\n\n\n<p>Vi\u1ec7c t\u00edch h\u1ee3p m\u1ed9t b\u1ed9 ph\u1eadn c\u00e1ch ly m\u00e0ng v\u00e0o \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t t\u1ea1o ra m\u1ed9t l\u1edbp c\u00e1ch ly d\u01b0\u1edbi ren k\u1ebft n\u1ed1i. \u0110\u1ed3ng h\u1ed3 sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed5 \u0111\u1ea7y b\u1eb1ng m\u1ed9t ch\u1ea5t l\u1ecfng \u00edt \u0111\u1ed9c h\u1ea1i h\u01a1n (m\u00e0u xanh trong h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y), ch\u1ea5t l\u1ecfng n\u00e0y nh\u1eadn \u00e1p su\u1ea5t t\u1eeb m\u00f4i tr\u01b0\u1eddng (m\u00e0u t\u00edm trong h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y) qua m\u00e0ng v\u00e0 \u0111\u1ea9y kim ch\u1ec9 th\u1ecb.<\/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-9353633de804e9d23b5d2d5e06c8862a\"><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 \u00e1p su\u1ea5t c\u00f3 m\u00e0ng ch\u1eafn:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng s\u1eed d\u1ee5ng van m\u00e0ng: h\u00f3a d\u1ea7u, y t\u1ebf, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 th\u1ef1c ph\u1ea9m. Ch\u00fang c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u 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-6a8b8d9770989a06d2461c29a299c738\"><span class=\"ez-toc-section\" id=\"5-the-connection-design-of-diaphragm-seal-pressure-gauges\"><\/span>5. Thi\u1ebft k\u1ebf k\u1ebft n\u1ed1i c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t c\u00f3 m\u00e0ng ch\u1eafn:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00f3 ba lo\u1ea1i ch\u00ednh c\u1ee7a b\u1ed9 sealing m\u00e0ng: lo\u1ea1i ren, lo\u1ea1i flange v\u00e0 lo\u1ea1i v\u1ec7 sinh. Vi\u1ec7c l\u1ef1a ch\u1ecdn t\u1eebng lo\u1ea1i ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 ng\u00e0nh c\u00f4ng nghi\u1ec7p, m\u00f4i tr\u01b0\u1eddng \u00e1p su\u1ea5t, h\u1ea1n ch\u1ebf kh\u00f4ng gian v\u00e0 v\u1ecb tr\u00ed k\u1ebft n\u1ed1i. C\u00e1c h\u00ecnh \u1ea3nh d\u01b0\u1edbi \u0111\u00e2y c\u00f3 th\u1ec3 cung c\u1ea5p cho b\u1ea1n m\u1ed9t s\u1ed1 \u00fd t\u01b0\u1edfng. N\u1ebfu b\u1ea1n ngh\u0129 r\u1eb1ng c\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ebfn b\u1ed9 sealing m\u00e0ng, h\u00e3y ch\u1eafc ch\u1eafn y\u00eau c\u1ea7u th\u00eam th\u00f4ng tin.<\/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\">Ph\u1edbt m\u00e0ng 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\">Ph\u1edbt m\u00e0ng 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 b\u1eb1ng m\u1eb7t b\u00edch<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p>Hy v\u1ecdng r\u1eb1ng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh xem \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t c\u00f3 m\u00e0ng ch\u1eafn c\u00f3 th\u1ec3 l\u00e0 gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 c\u1ee7a b\u1ea1n hay kh\u00f4ng. N\u1ebfu b\u1ea1n v\u1eabn c\u00f2n b\u0103n kho\u0103n ho\u1eb7c c\u1ea7n th\u00eam s\u1ef1 h\u1ed7 tr\u1ee3, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i. Ch\u00fang t\u00f4i r\u1ea5t s\u1eb5n l\u00f2ng gi\u00fap \u0111\u1ee1.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t c\u1ee7a b\u1ea1n th\u01b0\u1eddng xuy\u00ean h\u1ecfng h\u00f3c, ngay c\u1ea3 sau khi \u0111\u00e3 \u0111\u01b0\u1ee3c thay th\u1ebf? V\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng (ngu\u1ed3n \u00e1p su\u1ea5t). Th\u00f4ng qua b\u00e0i vi\u1ebft n\u00e0y, SJ Gauge s\u1ebd gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh xem \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t c\u1ee7a b\u1ea1n c\u00f3 c\u1ea7n th\u00eam m\u1ed9t mi\u1ebfng \u0111\u1ec7m m\u00e0ng hay kh\u00f4ng. 1. Khi m\u00f4i tr\u01b0\u1eddng d\u1ec5 k\u1ebft tinh, ch\u1ee9a t\u1ea1p ch\u1ea5t ho\u1eb7c qu\u00e1 \u0111\u1eb7c: Trong qu\u00e1 tr\u00ecnh \u0111o, [\u2026]<\/p>","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 v27.4) - 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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Through this article, SJ Gauge will help you identify if your pressure gauge needs the addition of a diaphragm seal. 1. 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