{"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\/es\/diaphragm-seal-usage\/","title":{"rendered":"\u00bfEn qu\u00e9 situaciones debe integrarse una junta de diafragma en su man\u00f3metro?"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u00bfSus man\u00f3metros fallan a menudo, incluso despu\u00e9s de haber sido sustituidos?<\/strong><br>El problema puede estar relacionado con el medio (fuente de presi\u00f3n). A trav\u00e9s de este art\u00edculo, SJ Gauge le ayudar\u00e1 a identificar si su man\u00f3metro necesita la adici\u00f3n de un sello de diafragma.<\/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\">\u00cdndice<\/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=\"Alternar tabla de contenidos\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/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\/es\/diaphragm-seal-usage\/#1-when-the-media-crystallizes-easily-contains-impurities-or-is-too-thick\" >1. Cuando el medio cristaliza f\u00e1cilmente, contiene impurezas o es demasiado espeso:<\/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\/es\/diaphragm-seal-usage\/#2-when-the-media-is-strongly-acidic-or-corrosive\" >2. Cuando el medio es fuertemente \u00e1cido o corrosivo:<\/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\/es\/diaphragm-seal-usage\/#3-but-how-do-diaphragm-seals-work-with-pressure-gauges\" >3. Pero, \u00bfc\u00f3mo funcionan las juntas de membrana con los man\u00f3metros?<\/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\/es\/diaphragm-seal-usage\/#4-the-application-of-diaphragm-seal-pressure-gauges\" >4. La aplicaci\u00f3n de los man\u00f3metros de junta de diafragma:<\/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\/es\/diaphragm-seal-usage\/#5-the-connection-design-of-diaphragm-seal-pressure-gauges\" >5. El dise\u00f1o de conexi\u00f3n de los man\u00f3metros de sello de diafragma:<\/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. Cuando el medio cristaliza f\u00e1cilmente, contiene impurezas o es demasiado espeso:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Durante la medici\u00f3n, el medio fluye directamente hacia el sistema de medici\u00f3n (tubos de Bourdon, tubos en espiral, fuelles, etc.). Para evitar obstrucciones, debe integrarse una junta de membrana para aislar la fuente de presi\u00f3n. Por ejemplo, las industrias alimentaria y farmac\u00e9utica suelen utilizar man\u00f3metros de diafragma sanitarios para medir la presi\u00f3n. Este tipo de junta de presi\u00f3n no s\u00f3lo puede aislar el medio de medici\u00f3n, sino que tambi\u00e9n puede limpiarse y sustituirse m\u00e1s f\u00e1cilmente. Las fuentes de presi\u00f3n habituales que cristalizan con facilidad son el agua salada, las fuentes de presi\u00f3n que contienen impurezas, las aguas residuales y el alcantarillado, y las fuentes de presi\u00f3n demasiado espesas, como el l\u00e1tex y el asfalto.<\/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. Cuando el medio es fuertemente \u00e1cido o corrosivo:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Aunque los sistemas de medici\u00f3n con acero inoxidable tienen una resistencia d\u00e9bil a los \u00e1cidos y \u00e1lcalis, una junta de diafragma es m\u00e1s adecuada para su uso con medios con propiedades alcalinas o corrosivas m\u00e1s fuertes. De este modo se evita que el medio fluya directamente hacia el tubo y provoque corrosi\u00f3n o rotura. Ejemplos de estos medios son: \u00e1cido clorh\u00eddrico, \u00e1cido n\u00edtrico, amon\u00edaco y \u00e1cido sulf\u00farico. Un revestimiento y un recubrimiento tambi\u00e9n ayudar\u00e1n a prolongar la vida \u00fatil del man\u00f3metro. Los materiales comunes de los sellos de diafragma son: acero inoxidable, PTFE (tefl\u00f3n), tantalio y Hastelloy.<\/p>\n\n\n\n<p>Consulta una tabla de resistencia a la corrosi\u00f3n del metal, el pl\u00e1stico y el PP para ver la resistencia a la corrosi\u00f3n de los distintos materiales frente a diferentes productos qu\u00edmicos.<\/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. Pero, \u00bfc\u00f3mo funcionan las juntas de membrana con los man\u00f3metros?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Sin una junta de diafragma, el medio fluir\u00e1 directamente hacia el sistema de medici\u00f3n de un man\u00f3metro mec\u00e1nico e impulsar\u00e1 la aguja para que gire. Para saber m\u00e1s sobre el funcionamiento interno de los man\u00f3metros, consulte nuestro art\u00edculo: Cu\u00e1les son las estructuras internas de los man\u00f3metros mec\u00e1nicos.<\/p>\n\n\n\n<p>La integraci\u00f3n de una junta de diafragma en un man\u00f3metro a\u00f1ade una barrera bajo la rosca de conexi\u00f3n. El man\u00f3metro se llena entonces con un l\u00edquido menos nocivo (azul en la imagen inferior), que recibe la presi\u00f3n del medio (morado en la imagen inferior) a trav\u00e9s del diafragma e impulsa la aguja.<\/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. La aplicaci\u00f3n de los man\u00f3metros de junta de diafragma:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Industrias habituales que utilizan juntas de diafragma: petroqu\u00edmica, m\u00e9dica, farmac\u00e9utica y alimentaria. Tambi\u00e9n se utilizan en muchas centrales el\u00e9ctricas.<\/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. El dise\u00f1o de conexi\u00f3n de los man\u00f3metros de sello de diafragma:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Existen tres tipos principales de juntas de diafragma: roscadas, de brida y sanitarias. La selecci\u00f3n de cada tipo depende de varios factores, como la industria, los medios de presi\u00f3n, las restricciones de espacio y la ubicaci\u00f3n de la conexi\u00f3n. Las im\u00e1genes siguientes pueden darle algunas ideas. Si cree que puede necesitar una junta de diafragma, no dude en solicitar m\u00e1s informaci\u00f3n.<\/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\">Juntas de diafragma roscadas<\/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\">Juntas de diafragma sanitarias<\/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\">Conexi\u00f3n de brida<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p>Esperamos que este art\u00edculo le haya ayudado a determinar si un man\u00f3metro de junta de diafragma puede ser la soluci\u00f3n a su problema. Si a\u00fan no est\u00e1 seguro o necesita m\u00e1s ayuda, no dude en ponerse en contacto con nosotros. Estaremos encantados de ayudarle.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u00bfSus man\u00f3metros fallan a menudo, incluso despu\u00e9s de haber sido sustituidos? El problema puede estar relacionado con el medio (fuente de presi\u00f3n). A trav\u00e9s de este art\u00edculo, SJ Gauge le ayudar\u00e1 a identificar si su man\u00f3metro necesita la adici\u00f3n de un sello de diafragma. 1. Cuando el medio se cristaliza f\u00e1cilmente, contiene impurezas o es demasiado espeso: Durante la medici\u00f3n, el [...]<\/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\/es\/diaphragm-seal-usage\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\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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