{"id":2240,"date":"2025-11-26T14:20:28","date_gmt":"2025-11-26T06:20:28","guid":{"rendered":"https:\/\/sj-gauge.com\/?p=2240"},"modified":"2026-03-15T18:09:42","modified_gmt":"2026-03-15T10:09:42","slug":"mechanical-gauge-internal-structures","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/es\/mechanical-gauge-internal-structures\/","title":{"rendered":"\u00bfCu\u00e1les son las estructuras internas de los distintos man\u00f3metros mec\u00e1nicos?"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u00bfCu\u00e1les son las estructuras internas de los distintos man\u00f3metros mec\u00e1nicos?<\/strong><br>A la hora de medir la presi\u00f3n, se pueden seleccionar diferentes man\u00f3metros en funci\u00f3n de los distintos m\u00e9todos de medici\u00f3n, entornos y fuentes de presi\u00f3n. SJ Gauge le permite a trav\u00e9s de este art\u00edculo, usted tendr\u00e1 una comprensi\u00f3n m\u00e1s profunda del funcionamiento interno de los man\u00f3metros mec\u00e1nicos.<\/p>\n<\/blockquote>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 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\/mechanical-gauge-internal-structures\/#1-bourdon-tube\" >1. Tubo de Bourdon<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sj-gauge.com\/es\/mechanical-gauge-internal-structures\/#c-type-bourdon-tube\" >Tubo Bourdon tipo C:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sj-gauge.com\/es\/mechanical-gauge-internal-structures\/#helical-bourdon-tube\" >Tubo Bourdon helicoidal:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sj-gauge.com\/es\/mechanical-gauge-internal-structures\/#spiral-bourdon-tube\" >Tubo Bourdon en espiral:<\/a><\/li><\/ul><\/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\/mechanical-gauge-internal-structures\/#2-diaphragm\" >2. Diafragma<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sj-gauge.com\/es\/mechanical-gauge-internal-structures\/#link-diaphragm\" >Diafragma de enlace:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.sj-gauge.com\/es\/mechanical-gauge-internal-structures\/#gearless-diaphragm\" >Diafragma sin engranajes:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.sj-gauge.com\/es\/mechanical-gauge-internal-structures\/#capsule\" >C\u00e1psula:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.sj-gauge.com\/es\/mechanical-gauge-internal-structures\/#3-others\" >3. Otros<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.sj-gauge.com\/es\/mechanical-gauge-internal-structures\/#bellows\" >Fuelles:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.sj-gauge.com\/es\/mechanical-gauge-internal-structures\/#piston\" >Pist\u00f3n:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1-bourdon-tube\"><\/span>1. Tubo de Bourdon<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Empecemos por el componente clave de los man\u00f3metros de tubo de Bourdon (tambi\u00e9n conocido como tubo de resorte). Pueden utilizarse para medir tanto l\u00edquidos como gases. Existen tres tipos: Tipo C, tipo helicoidal y tipo espiral.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"c-type-bourdon-tube\"><\/span>Tubo Bourdon tipo C:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Los tubos de Bourdon de tipo C est\u00e1n formados por un tubo hueco, de pared fina y doblado. Suelen ser de cobre o acero inoxidable y se utilizan para presiones de entre 0,6 y 70 kgf\/cm\u00b2. Son el tipo m\u00e1s com\u00fan de man\u00f3metros mec\u00e1nicos. Fije el extremo abierto a la base para conectarlo a la fuente de presi\u00f3n y conecte el extremo de estanqueidad al enlace. Cuando se produce la presi\u00f3n, el tubo de Bourdon doblado producir\u00e1 un desplazamiento correspondiente debido a la diferente presi\u00f3n dada, y la aguja girar\u00e1.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"201\" height=\"259\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ_C-type_Bourdon_Tube1.jpg\" alt=\"\" class=\"wp-image-2241\" style=\"width:300px\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"helical-bourdon-tube\"><\/span>Tubo Bourdon helicoidal:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Las caracter\u00edsticas de flexi\u00f3n m\u00faltiple del tubo de Bourdon helicoidal le ayudan a dispersar la presi\u00f3n con facilidad. En comparaci\u00f3n con el tipo C, el tipo helicoidal puede soportar una mayor presi\u00f3n. Suele utilizarse para presiones elevadas que oscilan entre 70~ 1000 kgf\/cm\u00b2. Cuanto mayor es el valor de presi\u00f3n medido, m\u00e1s bobinas de tubo se necesitan. Se utiliza habitualmente en la industria petroqu\u00edmica, las centrales el\u00e9ctricas y la ingenier\u00eda medioambiental.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"200\" height=\"179\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/02_SJ_Helical_Bourdon_Tube2.png\" alt=\"\" class=\"wp-image-2242\" style=\"width:300px\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"spiral-bourdon-tube\"><\/span>Tubo Bourdon en espiral:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Los tubos Bourdon en espiral est\u00e1n curvados en c\u00edrculos conc\u00e9ntricos. El extremo del tubo est\u00e1 conectado directamente a la aguja, sin utilizar engranajes ni eslabones. Su sencilla estructura se utiliza a menudo en man\u00f3metros con esferas peque\u00f1as, como las botellas de ox\u00edgeno de submarinismo y los extintores.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"209\" height=\"202\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/03_SJ_Spiral_Bourdon_tube3.png\" alt=\"\" class=\"wp-image-2243\" style=\"width:300px\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2-diaphragm\"><\/span>2. Diafragma<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A continuaci\u00f3n, echemos un vistazo a los man\u00f3metros de diafragma. Existen tres tipos: de diafragma de enlace, de c\u00e1psula y de diafragma sin engranaje.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"link-diaphragm\"><\/span>Diafragma de enlace:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>El diafragma de enlace funciona sin ning\u00fan fluido de llenado del sistema, lo que supone una seguridad para la medici\u00f3n est\u00e9ril de la presi\u00f3n. Los materiales comunes del diafragma son acero inoxidable, tefl\u00f3n (PTFE), Hastelloy (Hastelloy) o cer\u00e1mica. La presi\u00f3n se puede medir a trav\u00e9s del diafragma ondulado directamente, y luego la presi\u00f3n se transmitir\u00e1 a trav\u00e9s del enlace al engranaje y el puntero. Se puede aplicar un revestimiento o recubrimiento para prolongar la vida \u00fatil. Los man\u00f3metros de diafragma de enlace se pueden utilizar para medir medios agresivos, se utilizan com\u00fanmente en la industria de compresores o gas.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"153\" height=\"200\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/04_SJ_Link_diaphragm4.png\" alt=\"\" class=\"wp-image-2244\" style=\"width:300px\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gearless-diaphragm\"><\/span>Diafragma sin engranajes:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>El diafragma sin engranaje mide la presi\u00f3n directamente a trav\u00e9s de la contracci\u00f3n y expansi\u00f3n del diafragma para apretar la rotaci\u00f3n de la aguja. Este tipo de man\u00f3metro no necesita llenarse de l\u00edquido para evitar que los choques internos (inestabilidad de la presi\u00f3n del medio de medici\u00f3n) y externos (vibraci\u00f3n generada durante el funcionamiento del equipo) afecten a la observaci\u00f3n o causen da\u00f1os al engranaje. Los man\u00f3metros de diafragma sin engranaje tambi\u00e9n pueden resistir choques fuertes. La desventaja es su escasa precisi\u00f3n. Se suele utilizar en compresores de aire o como man\u00f3metros de neum\u00e1ticos.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"199\" height=\"390\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/05_SJ_Gearless_diaphragm.png\" alt=\"\" class=\"wp-image-2245\" style=\"width:200px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/05_SJ_Gearless_diaphragm.png 199w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/05_SJ_Gearless_diaphragm-153x300.png 153w\" sizes=\"(max-width: 199px) 100vw, 199px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"capsule\"><\/span>C\u00e1psula:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Dos diafragmas se sueldan a lo largo y se sellan para formar una c\u00e1psula. Cuando cambia la presi\u00f3n del medio, la c\u00e1psula se expande (presi\u00f3n positiva) o se contrae (presi\u00f3n negativa) en funci\u00f3n de la presi\u00f3n. Esto afecta directamente al engranaje y al eslab\u00f3n que acciona el puntero. Los materiales m\u00e1s utilizados son el cobre y el acero inoxidable. Los man\u00f3metros de c\u00e1psula se utilizan a menudo como micro man\u00f3metros en la industria del gas, la industria petroqu\u00edmica o la industria m\u00e9dica.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"404\" height=\"383\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/06_SJ_Capsule.png\" alt=\"\" class=\"wp-image-2246\" style=\"width:300px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/06_SJ_Capsule.png 404w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/06_SJ_Capsule-300x284.png 300w\" sizes=\"(max-width: 404px) 100vw, 404px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3-others\"><\/span>3. Otros<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Hay otros tipos de man\u00f3metros que no entran en la categor\u00eda de los de tubo de Bourdon o diafragma, pero no por ello son menos \u00fatiles para las industrias que los necesitan. Veamos dos tipos: de fuelle y de pist\u00f3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"bellows\"><\/span>Fuelles:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Los fuelles son una especie de tubo hueco con un patr\u00f3n ondulado anular. Cuando la presi\u00f3n se carga, el fuelle se extender\u00e1 a lo largo de la direcci\u00f3n del tubo, impulsando el engranaje y el eslab\u00f3n para hacer girar la aguja. Adem\u00e1s de ser un man\u00f3metro general, tambi\u00e9n se utiliza a menudo como man\u00f3metro de presi\u00f3n diferencial. El principio consiste en conectar un fuelle a ambos lados del medio de presi\u00f3n por separado. A trav\u00e9s de la diferencia de presi\u00f3n entre ambos lados, la aguja girar\u00e1. Estos man\u00f3metros suelen utilizarse para medir diferencias de presi\u00f3n que oscilan entre 0 ~ 25 kgf \/ cm\u00b2. La presi\u00f3n est\u00e1tica m\u00e1xima es de 150 kgf \/ cm\u00b2. Los materiales habituales de los fuelles son el acero inoxidable, el lat\u00f3n y el bronce. Normalmente encontrar\u00e1 estos man\u00f3metros en sistemas de aire acondicionado, sistemas de filtraci\u00f3n y sistemas de detecci\u00f3n de tubos de escape.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"404\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/07_SJ_Bellows.png\" alt=\"\" class=\"wp-image-2247\" style=\"width:300px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/07_SJ_Bellows.png 400w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/07_SJ_Bellows-297x300.png 297w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/07_SJ_Bellows-300x303.png 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/07_SJ_Bellows-100x100.png 100w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"piston\"><\/span>Pist\u00f3n:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Los man\u00f3metros de pist\u00f3n se utilizan principalmente como man\u00f3metros de presi\u00f3n diferencial. Se conectan dos presiones diferentes a los distintos lados del man\u00f3metro. La presi\u00f3n m\u00e1s alta empujar\u00e1 contra la presi\u00f3n m\u00e1s baja, haciendo que el pist\u00f3n empuje la presi\u00f3n restante hacia la presi\u00f3n m\u00e1s baja. Esto aprieta el muelle y hace girar la aguja. Los man\u00f3metros de pist\u00f3n se utilizan principalmente para el control de bombas y sistemas de tuber\u00edas.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"418\" height=\"234\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/08_SJ_Piston.png\" alt=\"\" class=\"wp-image-2248\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/08_SJ_Piston.png 418w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/08_SJ_Piston-300x168.png 300w\" sizes=\"(max-width: 418px) 100vw, 418px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>\u00bfCu\u00e1les son las estructuras internas de los diferentes man\u00f3metros mec\u00e1nicos? Al medir la presi\u00f3n, se pueden seleccionar diferentes man\u00f3metros seg\u00fan los diferentes m\u00e9todos de medici\u00f3n, entornos y fuentes de presi\u00f3n. SJ Gauge le permite a trav\u00e9s de este art\u00edculo, usted tendr\u00e1 una comprensi\u00f3n m\u00e1s profunda del funcionamiento interno de los man\u00f3metros mec\u00e1nicos. 1. Tubo de Bourdon Comencemos con el [...]<\/p>","protected":false},"author":2,"featured_media":2249,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[],"class_list":["post-2240","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 v26.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Are the Internal Structures of Different Mechanical Pressure Gauges? - Your Expert in Pressure Temp and Smart Transmitters - SJ Gauge<\/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\/mechanical-gauge-internal-structures\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Are the Internal Structures of Different Mechanical Pressure Gauges?\" \/>\n<meta property=\"og:description\" content=\"What Are the Internal Structures of Different Mechanical Pressure Gauges?When measuring pressure, different pressure gauges can be selected according to different measuring methods, environments and pressure sources. 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