{"id":5453,"date":"2026-07-29T23:44:44","date_gmt":"2026-07-29T15:44:44","guid":{"rendered":"https:\/\/www.sj-gauge.com\/?p=5453"},"modified":"2026-07-30T01:16:30","modified_gmt":"2026-07-29T17:16:30","slug":"din-flange-standard-pressure-gauge","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/es\/din-flange-standard-pressure-gauge\/","title":{"rendered":"Normas de bridas DIN: clases PN y selecci\u00f3n de sellos de diafragma para man\u00f3metros"},"content":{"rendered":"<p><strong>Resumen:<\/strong> Las bridas DIN suelen especificarse por el di\u00e1metro nominal DN y la clase de presi\u00f3n PN. En man\u00f3metros y sellos de diafragma deben coincidir la norma, la cara, el material, el patr\u00f3n de pernos, el di\u00e1metro del diafragma y las condiciones de proceso, no solo el tama\u00f1o nominal de la tuber\u00eda.<\/p>\n\n\n\n<p>Muchas plantas siguen usando \u201cbrida DIN\u201d para las bridas europeas designadas por PN. En proyectos actuales, las bridas de acero suelen verificarse seg\u00fan EN 1092-1 o la especificaci\u00f3n del proyecto; los planos antiguos pueden citar DIN 2527. Confirme siempre la norma y edici\u00f3n exactas indicadas en el plano de tuber\u00edas o la especificaci\u00f3n de compra.<\/p>\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\/din-flange-standard-pressure-gauge\/#what-does-a-din-flange-standard-describe\" >\u00bfQu\u00e9 define una norma de bridas DIN?<\/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\/din-flange-standard-pressure-gauge\/#how-to-read-dn-and-pn\" >C\u00f3mo interpretar DN y PN<\/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\/din-flange-standard-pressure-gauge\/#archived-sj-gauge-diaphragm-flange-reference\" >Referencia recuperada de bridas con diafragma de SJ Gauge<\/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\/din-flange-standard-pressure-gauge\/#how-to-select-a-dinen-flanged-pressure-instrument\" >C\u00f3mo seleccionar un instrumento de presi\u00f3n con brida DIN\/EN<\/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\/din-flange-standard-pressure-gauge\/#dinen-jis-and-asme-are-not-automatically-interchangeable\" >Las bridas DIN\/EN, JIS y ASME no son intercambiables autom\u00e1ticamente<\/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\/es\/din-flange-standard-pressure-gauge\/#frequently-asked-questions\" >Preguntas frecuentes<\/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\/es\/din-flange-standard-pressure-gauge\/#conclusion\" >Conclusi\u00f3n<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-does-a-din-flange-standard-describe\"><span class=\"ez-toc-section\" id=\"what-does-a-din-flange-standard-describe\"><\/span>\u00bfQu\u00e9 define una norma de bridas DIN?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Una norma de bridas define la geometr\u00eda y la identificaci\u00f3n necesarias para un montaje compatible. Seg\u00fan el documento, puede incluir tipos de brida, caras, dimensiones, tolerancias, materiales, disposici\u00f3n de agujeros, marcado y requisitos de ensayo.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DN:<\/strong> tama\u00f1o nominal utilizado para identificar la conexi\u00f3n de tuber\u00eda.<\/li>\n\n\n\n<li><strong>PN:<\/strong> designaci\u00f3n de presi\u00f3n de una serie normalizada de bridas; no es una presi\u00f3n admisible universal para todos los materiales y temperaturas.<\/li>\n\n\n\n<li><strong>D:<\/strong> di\u00e1metro exterior de la brida.<\/li>\n\n\n\n<li><strong>K:<\/strong> di\u00e1metro del c\u00edrculo de pernos.<\/li>\n\n\n\n<li><strong>d2:<\/strong> di\u00e1metro del agujero para perno.<\/li>\n\n\n\n<li><strong>b:<\/strong> espesor de la brida.<\/li>\n\n\n\n<li><strong>Cara de la brida:<\/strong> superficie de contacto con la junta, como cara plana (FF) o cara realzada (RF), seg\u00fan la brida acoplada y la junta.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-read-dn-and-pn\"><span class=\"ez-toc-section\" id=\"how-to-read-dn-and-pn\"><\/span>C\u00f3mo interpretar DN y PN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>DN identifica el tama\u00f1o nominal de conexi\u00f3n y PN la serie de presi\u00f3n normalizada. DN 50 PN 16 indica una conexi\u00f3n nominal DN 50 de la serie PN 16, pero por s\u00ed solo no confirma la presi\u00f3n de trabajo admisible a la temperatura real de operaci\u00f3n.<\/p>\n\n\n\n<p>Antes de pedir, compruebe los l\u00edmites presi\u00f3n\u2013temperatura del material, la cara y junta requeridas, la tolerancia de corrosi\u00f3n, el material de los pernos y la norma vigente. En una brida de instrumento, confirme adem\u00e1s que el \u00e1rea efectiva del diafragma sea suficiente para el rango de medici\u00f3n solicitado.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-archived-sj-gauge-diaphragm-flange-reference\"><span class=\"ez-toc-section\" id=\"archived-sj-gauge-diaphragm-flange-reference\"><\/span>Referencia recuperada de bridas con diafragma de SJ Gauge<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Los valores siguientes se recuperaron del art\u00edculo de SJ Gauge de 2025 y son una referencia de aplicaci\u00f3n para determinadas configuraciones de sello de diafragma. No sustituyen la norma dimensional EN 1092-1 completa ni un plano aprobado. Las dimensiones est\u00e1n en mil\u00edmetros; confirme el plano final con SJ Gauge antes de comprar.<\/p>\n\n\n\n<div style=\"overflow-x:auto\"><table style=\"width:100%;border-collapse:collapse;min-width:860px\"><thead><tr><th>DN<\/th><th>PN<\/th><th>Di\u00e1metro efectivo del diafragma Mb<\/th><th>Di\u00e1metro exterior D<\/th><th>Espesor b<\/th><th>Di\u00e1metro del agujero d2<\/th><th>C\u00edrculo de pernos K<\/th><th>Altura del asiento F<\/th><th>Di\u00e1metro interior d4<\/th><th>N\u00famero de agujeros<\/th><\/tr><\/thead><tbody>\n<tr><td>25<\/td><td>10\/40<\/td><td>32<\/td><td>115<\/td><td>22<\/td><td>14<\/td><td>85<\/td><td>2<\/td><td>68<\/td><td>4<\/td><\/tr>\n<tr><td>25<\/td><td>63\/100<\/td><td>25<\/td><td>140<\/td><td>24<\/td><td>18<\/td><td>100<\/td><td>2<\/td><td>68<\/td><td>4<\/td><\/tr>\n<tr><td>40<\/td><td>10\/40<\/td><td>45<\/td><td>150<\/td><td>18<\/td><td>18<\/td><td>110<\/td><td>2<\/td><td>88<\/td><td>4<\/td><\/tr>\n<tr><td>40<\/td><td>63\/100<\/td><td>45<\/td><td>170<\/td><td>26<\/td><td>22<\/td><td>125<\/td><td>2<\/td><td>88<\/td><td>4<\/td><\/tr>\n<tr><td>40<\/td><td>160<\/td><td>45<\/td><td>170<\/td><td>28<\/td><td>22<\/td><td>125<\/td><td>2<\/td><td>88<\/td><td>4<\/td><\/tr>\n<tr><td>40<\/td><td>250<\/td><td>45<\/td><td>185<\/td><td>34<\/td><td>26<\/td><td>135<\/td><td>2<\/td><td>88<\/td><td>4<\/td><\/tr>\n<tr><td>50<\/td><td>10\/40<\/td><td>59<\/td><td>165<\/td><td>20<\/td><td>18<\/td><td>125<\/td><td>2<\/td><td>102<\/td><td>4<\/td><\/tr>\n<tr><td>50<\/td><td>63<\/td><td>59<\/td><td>180<\/td><td>26<\/td><td>22<\/td><td>135<\/td><td>2<\/td><td>102<\/td><td>4<\/td><\/tr>\n<tr><td>50<\/td><td>100<\/td><td>59<\/td><td>195<\/td><td>28<\/td><td>26<\/td><td>145<\/td><td>2<\/td><td>102<\/td><td>4<\/td><\/tr>\n<tr><td>50<\/td><td>160<\/td><td>59<\/td><td>195<\/td><td>30<\/td><td>26<\/td><td>145<\/td><td>2<\/td><td>102<\/td><td>4<\/td><\/tr>\n<tr><td>50<\/td><td>250<\/td><td>59<\/td><td>200<\/td><td>38<\/td><td>26<\/td><td>150<\/td><td>2<\/td><td>102<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>10\/16<\/td><td>89<\/td><td>200<\/td><td>20<\/td><td>18<\/td><td>160<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>25\/40<\/td><td>89<\/td><td>200<\/td><td>24<\/td><td>18<\/td><td>160<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>63<\/td><td>89<\/td><td>215<\/td><td>28<\/td><td>22<\/td><td>170<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>100<\/td><td>89<\/td><td>230<\/td><td>32<\/td><td>26<\/td><td>180<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>160<\/td><td>89<\/td><td>230<\/td><td>36<\/td><td>26<\/td><td>180<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>80<\/td><td>250<\/td><td>89<\/td><td>255<\/td><td>46<\/td><td>30<\/td><td>200<\/td><td>2<\/td><td>138<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>10\/16<\/td><td>89<\/td><td>220<\/td><td>20<\/td><td>18<\/td><td>180<\/td><td>2<\/td><td>158<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>25\/40<\/td><td>89<\/td><td>235<\/td><td>24<\/td><td>22<\/td><td>190<\/td><td>2<\/td><td>162<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>63<\/td><td>89<\/td><td>250<\/td><td>30<\/td><td>26<\/td><td>200<\/td><td>2<\/td><td>162<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>100<\/td><td>89<\/td><td>265<\/td><td>36<\/td><td>30<\/td><td>210<\/td><td>2<\/td><td>162<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>160<\/td><td>89<\/td><td>265<\/td><td>40<\/td><td>30<\/td><td>210<\/td><td>2<\/td><td>162<\/td><td>8<\/td><\/tr>\n<tr><td>100<\/td><td>250<\/td><td>89<\/td><td>300<\/td><td>54<\/td><td>33<\/td><td>235<\/td><td>2<\/td><td>162<\/td><td>8<\/td><\/tr>\n<\/tbody><\/table><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-select-a-din-en-flanged-pressure-instrument\"><span class=\"ez-toc-section\" id=\"how-to-select-a-dinen-flanged-pressure-instrument\"><\/span>C\u00f3mo seleccionar un instrumento de presi\u00f3n con brida DIN\/EN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Identifique la norma exacta de la brida, DN, PN y cara seg\u00fan la especificaci\u00f3n de tuber\u00edas.<\/li>\n\n\n\n<li>Confirme la presi\u00f3n de proceso, la presi\u00f3n de dise\u00f1o, la temperatura y los picos de presi\u00f3n.<\/li>\n\n\n\n<li>Seleccione materiales mojados y de junta compatibles con el fluido de proceso.<\/li>\n\n\n\n<li>Compruebe el di\u00e1metro efectivo del diafragma frente al rango y la exactitud requeridos.<\/li>\n\n\n\n<li>Apruebe el plano dimensional, el patr\u00f3n de pernos, la disposici\u00f3n del capilar y la orientaci\u00f3n de instalaci\u00f3n antes de fabricar.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-din-en-jis-and-asme-are-not-automatically-interchangeable\"><span class=\"ez-toc-section\" id=\"dinen-jis-and-asme-are-not-automatically-interchangeable\"><\/span>Las bridas DIN\/EN, JIS y ASME no son intercambiables autom\u00e1ticamente<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Las bridas DIN\/EN usan designaciones PN, las JIS suelen usar clases K y las ASME clases de presi\u00f3n como Class 150 o Class 300. Aunque el tama\u00f1o nominal sea parecido, pueden diferir el di\u00e1metro exterior, c\u00edrculo y n\u00famero de pernos, cara y clasificaci\u00f3n presi\u00f3n\u2013temperatura. No las conecte solo porque el tama\u00f1o de tuber\u00eda parezca similar.<\/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>Preguntas frecuentes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-is-pn-16-exactly-equal-to-16-bar\">\u00bfPN 16 equivale exactamente a 16 bar?<\/h3>\n\n\n\n<p>No. PN identifica una serie normalizada de bridas. La presi\u00f3n admisible real depende del material, la temperatura y la norma aplicable. Use las reglas presi\u00f3n\u2013temperatura de la norma y la base de dise\u00f1o del proyecto.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-can-an-old-din-2527-flange-be-replaced-directly-with-an-en-1092-1-flange\">\u00bfPuede sustituirse directamente una brida DIN 2527 antigua por una EN 1092-1?<\/h3>\n\n\n\n<p>No sin comprobarlo. Compare el tipo, cara, dimensiones, material, patr\u00f3n de pernos y condiciones de servicio, y haga revisar la compatibilidad final por el ingeniero de tuber\u00edas o proveedor del instrumento.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-why-does-a-low-pressure-diaphragm-seal-need-a-larger-diaphragm\">\u00bfPor qu\u00e9 un sello de diafragma de baja presi\u00f3n necesita un diafragma mayor?<\/h3>\n\n\n\n<p>Una mayor \u00e1rea efectiva del diafragma puede mejorar la sensibilidad y reducir el error causado por su rigidez. El tama\u00f1o requerido tambi\u00e9n depende del fluido de llenado, la longitud del capilar, la temperatura y el rango del instrumento.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><span class=\"ez-toc-section\" id=\"conclusion\"><\/span>Conclusi\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Para una medici\u00f3n fiable, especifique la conexi\u00f3n DIN\/EN completa y la aplicaci\u00f3n del instrumento, no solo DN y PN. SJ Gauge puede revisar dimensiones, tama\u00f1o del diafragma, materiales mojados, recubrimientos, conexiones de lavado y configuraciones de sello remoto para su proceso.<\/p>\n\n\n\n<p><strong>\u00bfNecesita revisar un plano de brida o una propuesta de selecci\u00f3n de man\u00f3metro?<\/strong> <a href=\"https:\/\/www.sj-gauge.com\/es\/contact-us\/\">Contacte con SJ Gauge<\/a> e indique la norma, DN, PN, fluido de proceso, temperatura, rango de presi\u00f3n y plano de instalaci\u00f3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-standards-reference\">Referencia normativa<\/h3>\n\n\n\n<p>Consulte la edici\u00f3n vigente de <a href=\"https:\/\/www.dinmedia.de\/en\/standard\/din-en-1092-1\/276418798\" target=\"_blank\" rel=\"noopener\">DIN EN 1092-1<\/a> y la especificaci\u00f3n del proyecto. Las normas est\u00e1n protegidas por derechos de autor; adquiera el documento oficial si necesita todos los requisitos o tablas dimensionales.<\/p>","protected":false},"excerpt":{"rendered":"<p>Aprenda a interpretar el marcado de bridas DIN\/EN, las clases PN y las dimensiones, con una tabla de referencia de sellos de diafragma de SJ Gauge recuperada del art\u00edculo de 2025.<\/p>","protected":false},"author":2,"featured_media":4245,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[],"class_list":["post-5453","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 v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Understanding DIN Flange Standards: PN Ratings and Pressure-Gauge Diaphragm Seal Selection - SJ Gauge | Pressure Gauges, Thermometers &amp; 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