{"id":4097,"date":"2026-01-13T09:00:00","date_gmt":"2026-01-13T09:00:00","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=4097"},"modified":"2026-02-06T03:44:35","modified_gmt":"2026-02-06T03:44:35","slug":"ppr-pipe-wall-thickness-sdr-vs-pn","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","title":{"rendered":"Comprensi\u00f3n de SDR vs. PN: C\u00f3mo seleccionar el espesor de pared adecuado para tuber\u00edas PPR en la industria"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey 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: #999;color:#999\" 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: #999;color:#999\" 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 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Why_SDR_and_PN_Are_Not_Interchangeable\" >Por qu\u00e9 SDR y PN no son intercambiables<\/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.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Selecting_Based_on_Operating_Conditions\" >Selecci\u00f3n seg\u00fan las condiciones de funcionamiento<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Temperature_Derating\" >Reducci\u00f3n de temperatura<\/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.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Surge_Pressure_and_Water_Hammer\" >Sobrepresi\u00f3n y golpe de ariete<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Chemical_and_Mechanical_Factors\" >Factores qu\u00edmicos y mec\u00e1nicos<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Common_Selection_Errors\" >Errores comunes de selecci\u00f3n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Mismatching_Components_Across_SDR_Classes\" >Componentes no coincidentes entre clases de SDR<\/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.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Specifying_by_PN_Without_Checking_Temperature\" >Especificaci\u00f3n por PN sin comprobar la temperatura<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Applying_Standard_Fusion_Parameters_to_Thick-Walled_Pipe\" >Aplicaci\u00f3n de par\u00e1metros de fusi\u00f3n est\u00e1ndar a tuber\u00edas de paredes gruesas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#Ignoring_Thermal_Expansion_in_Hot_Systems\" >Ignorar la expansi\u00f3n t\u00e9rmica en sistemas calientes<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#DESOs_Manufacturing_Precision_and_Project_Experience\" >Precisi\u00f3n de fabricaci\u00f3n y experiencia en proyectos de DESO<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#What_This_Means_for_Specification\" >Qu\u00e9 significa esto para la especificaci\u00f3n<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">El SDR mide el espesor de pared en relaci\u00f3n con el di\u00e1metro de la tuber\u00eda. El PN indica la presi\u00f3n nominal a 20 \u00b0C. La elecci\u00f3n del espesor de pared de plomer\u00eda adecuado para sistemas industriales de PPR se basa en la adaptaci\u00f3n de las especificaciones de la tuber\u00eda a las condiciones de operaci\u00f3n, como la temperatura del fluido y la sobrepresi\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_SDR_and_PN_Are_Not_Interchangeable\"><\/span><strong>Por qu\u00e9 SDR y PN no son intercambiables<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Los ingenieros suelen tratar el SDR y el PN como si fueran lo mismo. No lo son.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DEG (Relaci\u00f3n de dimensi\u00f3n est\u00e1ndar)<\/strong> Es la geometr\u00eda. Es la relaci\u00f3n entre el di\u00e1metro exterior y el espesor de la pared (SDR = D\/s). Un valor SDR m\u00e1s bajo significa una pared m\u00e1s gruesa en relaci\u00f3n con el tama\u00f1o de la tuber\u00eda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PN (Presi\u00f3n nominal)<\/strong> Se refiere al rendimiento a una temperatura espec\u00edfica. Indica la presi\u00f3n m\u00e1xima en bares que la tuber\u00eda soporta a 20 \u00b0C durante 50 a\u00f1os. Una tuber\u00eda PPR PN20 est\u00e1 clasificada para 20 bares solo a temperatura ambiente.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"304\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN.webp\" alt=\"\" class=\"wp-image-4099\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN.webp 532w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-500x286.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-300x171.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-131x75.webp 131w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-480x274.webp 480w\" sizes=\"auto, (max-width:767px) 480px, 532px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un SDR m\u00e1s bajo implica paredes m\u00e1s gruesas y mayor capacidad de presi\u00f3n. Una tuber\u00eda con SDR de 6 soporta m\u00e1s presi\u00f3n que una con SDR de 11. Sin embargo, la presi\u00f3n de entrada (PN) var\u00eda con la temperatura, mientras que el SDR se mantiene constante.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Clase SDR<\/strong><\/td><td><strong>Clasificaci\u00f3n PN<\/strong><\/td><td><strong>Espesor de la pared<\/strong><\/td><td><strong>Uso industrial primario<\/strong><\/td><\/tr><tr><td>DEG 11<\/td><td>PN10<\/td><td>Delgado<\/td><td>Transporte de agua fr\u00eda, drenaje a baja presi\u00f3n<\/td><\/tr><tr><td>DEG 7.4<\/td><td>PN16<\/td><td>Medio<\/td><td>Aire comprimido, agua caliente moderada<\/td><\/tr><tr><td>DEG 6<\/td><td>PN20<\/td><td>Grueso<\/td><td>Agua caliente a alta presi\u00f3n, refrigeraci\u00f3n industrial<\/td><\/tr><tr><td>DEG 5<\/td><td>PN25<\/td><td>Extra grueso<\/td><td>Procesamiento qu\u00edmico, alimentaci\u00f3n de calderas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">DESO <a href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-sizes-and-specifications-guide-for-buyer\/\" target=\"_blank\" rel=\"noreferrer noopener\">Gu\u00eda de tama\u00f1os y especificaciones<\/a> enumera las dimensiones de las tuber\u00edas PPR en todas las clases SDR.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Selecting_Based_on_Operating_Conditions\"><\/span><strong>Selecci\u00f3n seg\u00fan las condiciones de funcionamiento<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Las especificaciones del cat\u00e1logo asumen una temperatura de 20 \u00b0C y un flujo estable. Los sistemas industriales funcionan a temperaturas m\u00e1s altas y experimentan picos de presi\u00f3n que las especificaciones del cat\u00e1logo no contemplan.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Temperature_Derating\"><\/span><strong>Reducci\u00f3n de temperatura<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El <a href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-flow-rate-reduce-pressure-loss-in-buildings\/\" target=\"_blank\" rel=\"noreferrer noopener\">Clasificaci\u00f3n de presi\u00f3n de la tuber\u00eda PPR<\/a> La presi\u00f3n disminuye al aumentar la temperatura. Una tuber\u00eda PN20 con capacidad para 20 bar a 20 \u00b0C disminuye a 10,8 bar a 70 \u00b0C. A 80 \u00b0C, solo soporta 8 bar.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Temperatura<\/strong><\/td><td><strong>Capacidad real PN20<\/strong><\/td><td><strong>Capacidad real PN25<\/strong><\/td><\/tr><tr><td>20\u00b0C<\/td><td>20 bares<\/td><td>25 bares<\/td><\/tr><tr><td>60\u00b0C<\/td><td>12,5 bares<\/td><td>15,6 bares<\/td><\/tr><tr><td>70\u00b0C<\/td><td>10,8 bares<\/td><td>13,5 bares<\/td><\/tr><tr><td>80\u00b0C<\/td><td>8,0 barras<\/td><td>10,0 barras<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Surge_Pressure_and_Water_Hammer\"><\/span><strong>Sobrepresi\u00f3n y golpe de ariete<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Las bombas industriales generan choques hidr\u00e1ulicos durante el arranque y el cierre de v\u00e1lvulas. Un sistema que funciona a 12 bar en estado estable podr\u00eda experimentar picos de presi\u00f3n de 18 bar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para sistemas propensos a golpes de ariete, a\u00f1ada un margen de seguridad 50% al seleccionar SDR. Una tuber\u00eda de pl\u00e1stico de alta presi\u00f3n con SDR 6 o SDR 5 absorbe los picos transitorios que podr\u00edan reventar paredes m\u00e1s delgadas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Chemical_and_Mechanical_Factors\"><\/span><strong>Factores qu\u00edmicos y mec\u00e1nicos<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Los productos qu\u00edmicos agresivos degradan la superficie interior de la tuber\u00eda con el tiempo. Las paredes m\u00e1s gruesas (menor SDR) proporcionan un margen de corrosi\u00f3n que prolonga la vida \u00fatil en el transporte de productos qu\u00edmicos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La vibraci\u00f3n y los impactos externos tambi\u00e9n favorecen una menor SDR. La mayor rigidez evita la deformaci\u00f3n que agrietar\u00eda las tuber\u00edas m\u00e1s delgadas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DESO <a href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/select-ppr-pipe-in-different-conditions\/\">gu\u00eda de selecci\u00f3n de aplicaciones<\/a> Cubre c\u00f3mo la temperatura, la presi\u00f3n y el tipo de fluido afectan la especificaci\u00f3n de la tuber\u00eda PPR.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Selection_Errors\"><\/span><strong>Errores comunes de selecci\u00f3n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mismatching_Components_Across_SDR_Classes\"><\/span><strong>Componentes no coincidentes entre clases de SDR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La instalaci\u00f3n de accesorios PN10 en tuber\u00edas PN20 crea un cuello de botella. Toda la l\u00ednea est\u00e1 ahora clasificada para PN10 porque el componente m\u00e1s d\u00e9bil establece el l\u00edmite. Los accesorios fallan primero, a menudo rompi\u00e9ndose bajo la presi\u00f3n normal de operaci\u00f3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Specifying_by_PN_Without_Checking_Temperature\"><\/span><strong>Especificaci\u00f3n por PN sin comprobar la temperatura<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El uso de SDR 11 (PN10) para el servicio continuo de agua caliente parece adecuado si la presi\u00f3n de funcionamiento es inferior a 10 bar. Sin embargo, a 70 \u00b0C, esa misma tuber\u00eda solo soporta entre 5 y 6 bar. Esto puede provocar grietas prematuras.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applying_Standard_Fusion_Parameters_to_Thick-Walled_Pipe\"><\/span><strong>Aplicaci\u00f3n de par\u00e1metros de fusi\u00f3n est\u00e1ndar a tuber\u00edas de paredes gruesas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Las paredes m\u00e1s gruesas requieren tiempos de calentamiento m\u00e1s largos durante la soldadura por fusi\u00f3n. Los t\u00e9cnicos que aplican la sincronizaci\u00f3n SDR 11 a tuber\u00edas SDR 6 o SDR 5 crean &quot;soldaduras en fr\u00edo&quot; donde el material nunca alcanza la profundidad de fusi\u00f3n completa. Estas uniones parecen completas, pero presentan fugas bajo presi\u00f3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ignoring_Thermal_Expansion_in_Hot_Systems\"><\/span><strong>Ignorar la expansi\u00f3n t\u00e9rmica en sistemas calientes<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Las paredes m\u00e1s delgadas se expanden m\u00e1s con el calor. La tuber\u00eda PPR est\u00e1ndar en circuitos calientes serpentea en zanjas, genera tensiones en las juntas y se agrieta en los puntos de conexi\u00f3n. <a href=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-fiber-composite-pipe-gf-ppr-hot-water-choice\/\" target=\"_blank\" rel=\"noreferrer noopener\">reforzado con fibra<\/a> SDR 7.4 reduce la expansi\u00f3n en 70% y mantiene la posici\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DESOs_Manufacturing_Precision_and_Project_Experience\"><\/span><strong>Precisi\u00f3n de fabricaci\u00f3n y experiencia en proyectos de DESO<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DESO ha suministrado sistemas PPR para plantas qu\u00edmicas, redes HVAC, circuitos de enfriamiento industriales y alimentaciones de calderas de alta presi\u00f3n durante dos d\u00e9cadas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La producci\u00f3n de menor nivel crea &quot;puntos delgados&quot; donde el espesor de la pared var\u00eda dentro de la misma tuber\u00eda. Estos puntos delgados fallan primero porque la pared no soporta la presi\u00f3n nominal en su secci\u00f3n m\u00e1s delgada. La extrusi\u00f3n automatizada de DESO, con resina virgen Borealis RA130E, mantiene el espesor de la pared seg\u00fan las tolerancias ISO 15874 en cada metro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La gama completa de SDR, desde SDR 11 hasta SDR 5, se env\u00eda desde una \u00fanica fuente con un rendimiento consistente. <a href=\"https:\/\/www.desopipe.com\/es\/blog\/manufacturer\/buyers-guide-to-high-quality-ppr-pipe-material\/\" target=\"_blank\" rel=\"noreferrer noopener\">material de tuber\u00eda ppr<\/a> Propiedades lote a lote. El equipo de ingenier\u00eda de DESO revisa las especificaciones del proyecto y recomienda la clase SDR seg\u00fan la temperatura de operaci\u00f3n, la presi\u00f3n y el tipo de fluido.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_This_Means_for_Specification\"><\/span><strong>Qu\u00e9 significa esto para la especificaci\u00f3n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SDR es la geometr\u00eda. PN es la capacidad de presi\u00f3n a 20 \u00b0C. La temperatura reduce ambos par\u00e1metros. Para la selecci\u00f3n de tuber\u00edas industriales de PPR, la clase de SDR debe coincidir con la temperatura de operaci\u00f3n, las sobretensiones esperadas y la exposici\u00f3n a sustancias qu\u00edmicas. El componente m\u00e1s d\u00e9bil del sistema limita la presi\u00f3n nominal de todo lo que est\u00e9 conectado.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.desopipe.com\/es\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">Obtenga una cotizaci\u00f3n gratis<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>SDR measures wall thickness relative to pipe diameter. PN tells you the pressure rating at 20\u00b0C. Choosing the right plumbing wall thickness for industrial PPR systems<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":4100,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-4097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ppr-pipe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PPR Pipe: Choosing the Right Wall Thickness (SDR vs PN) | DESO Group<\/title>\n<meta name=\"description\" content=\"Learn the difference between SDR and PN ratings for PPR pipes. Avoid common selection errors and match wall thickness to industrial conditions.\" \/>\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.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PPR Pipe: Choosing the Right Wall Thickness (SDR vs PN) | DESO Group\" \/>\n<meta property=\"og:description\" content=\"Learn the difference between SDR and PN ratings for PPR pipes. Avoid common selection errors and match wall thickness to industrial conditions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/\" \/>\n<meta property=\"og:site_name\" content=\"World-Class PPR Piping System Manufacturer | DESO Group\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-13T09:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-06T03:44:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"902\" \/>\n\t<meta property=\"og:image:height\" content=\"601\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"deshouadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"deshouadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/\"},\"author\":{\"name\":\"deshouadmin\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#\\\/schema\\\/person\\\/503d6474754abda58c2c9acb42fffde1\"},\"headline\":\"Understanding SDR vs. PN: Selecting the Right PPR Pipe Wall Thickness for Industrial Use\",\"datePublished\":\"2026-01-13T09:00:00+00:00\",\"dateModified\":\"2026-02-06T03:44:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/\"},\"wordCount\":752,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/Understanding-SDR-vs.-PN-1.webp\",\"articleSection\":[\"PPR Pipe\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/\",\"url\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/\",\"name\":\"PPR Pipe: Choosing the Right Wall Thickness (SDR vs PN) | DESO Group\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/Understanding-SDR-vs.-PN-1.webp\",\"datePublished\":\"2026-01-13T09:00:00+00:00\",\"dateModified\":\"2026-02-06T03:44:35+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#\\\/schema\\\/person\\\/503d6474754abda58c2c9acb42fffde1\"},\"description\":\"Learn the difference between SDR and PN ratings for PPR pipes. Avoid common selection errors and match wall thickness to industrial conditions.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/Understanding-SDR-vs.-PN-1.webp\",\"contentUrl\":\"https:\\\/\\\/www.desopipe.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/Understanding-SDR-vs.-PN-1.webp\",\"width\":902,\"height\":601,\"caption\":\"Understanding SDR vs. PN\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/blog\\\/ppr-pipe\\\/ppr-pipe-wall-thickness-sdr-vs-pn\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.desopipe.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Understanding SDR vs. PN: Selecting the Right PPR Pipe Wall Thickness for Industrial Use\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#website\",\"url\":\"https:\\\/\\\/www.desopipe.com\\\/\",\"name\":\"PPR Pipe Manufacturer And PPR Pipe Fittings Manufacturer | DESO\",\"description\":\"PPR Pipe Manufacturer And PPR Pipe Fittings Manufacturer | DESO\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.desopipe.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.desopipe.com\\\/#\\\/schema\\\/person\\\/503d6474754abda58c2c9acb42fffde1\",\"name\":\"deshouadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g\",\"caption\":\"deshouadmin\"},\"sameAs\":[\"http:\\\/\\\/desopipe.com\"],\"url\":\"https:\\\/\\\/www.desopipe.com\\\/es\\\/author\\\/deshouadmin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Tuber\u00eda PPR: C\u00f3mo elegir el espesor de pared adecuado (SDR vs. PN) | Grupo DESO","description":"Conozca la diferencia entre las clasificaciones SDR y PN para tuber\u00edas PPR. Evite errores comunes de selecci\u00f3n y adapte el espesor de pared a las condiciones industriales.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","og_locale":"es_ES","og_type":"article","og_title":"PPR Pipe: Choosing the Right Wall Thickness (SDR vs PN) | DESO Group","og_description":"Learn the difference between SDR and PN ratings for PPR pipes. Avoid common selection errors and match wall thickness to industrial conditions.","og_url":"https:\/\/www.desopipe.com\/es\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","og_site_name":"World-Class PPR Piping System Manufacturer | DESO Group","article_published_time":"2026-01-13T09:00:00+00:00","article_modified_time":"2026-02-06T03:44:35+00:00","og_image":[{"width":902,"height":601,"url":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp","type":"image\/webp"}],"author":"deshouadmin","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"deshouadmin","Tiempo de lectura":"5 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#article","isPartOf":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/"},"author":{"name":"deshouadmin","@id":"https:\/\/www.desopipe.com\/#\/schema\/person\/503d6474754abda58c2c9acb42fffde1"},"headline":"Understanding SDR vs. PN: Selecting the Right PPR Pipe Wall Thickness for Industrial Use","datePublished":"2026-01-13T09:00:00+00:00","dateModified":"2026-02-06T03:44:35+00:00","mainEntityOfPage":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/"},"wordCount":752,"commentCount":0,"image":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#primaryimage"},"thumbnailUrl":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp","articleSection":["PPR Pipe"],"inLanguage":"es","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","url":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/","name":"Tuber\u00eda PPR: C\u00f3mo elegir el espesor de pared adecuado (SDR vs. PN) | Grupo DESO","isPartOf":{"@id":"https:\/\/www.desopipe.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#primaryimage"},"image":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#primaryimage"},"thumbnailUrl":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp","datePublished":"2026-01-13T09:00:00+00:00","dateModified":"2026-02-06T03:44:35+00:00","author":{"@id":"https:\/\/www.desopipe.com\/#\/schema\/person\/503d6474754abda58c2c9acb42fffde1"},"description":"Conozca la diferencia entre las clasificaciones SDR y PN para tuber\u00edas PPR. Evite errores comunes de selecci\u00f3n y adapte el espesor de pared a las condiciones industriales.","breadcrumb":{"@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#primaryimage","url":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp","contentUrl":"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/02\/Understanding-SDR-vs.-PN-1.webp","width":902,"height":601,"caption":"Understanding SDR vs. PN"},{"@type":"BreadcrumbList","@id":"https:\/\/www.desopipe.com\/blog\/ppr-pipe\/ppr-pipe-wall-thickness-sdr-vs-pn\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.desopipe.com\/"},{"@type":"ListItem","position":2,"name":"Understanding SDR vs. PN: Selecting the Right PPR Pipe Wall Thickness for Industrial Use"}]},{"@type":"WebSite","@id":"https:\/\/www.desopipe.com\/#website","url":"https:\/\/www.desopipe.com\/","name":"Fabricante de tuber\u00edas y accesorios de PPR | DESO","description":"Fabricante de tuber\u00edas y accesorios de PPR | DESO","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.desopipe.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Person","@id":"https:\/\/www.desopipe.com\/#\/schema\/person\/503d6474754abda58c2c9acb42fffde1","name":"deshouadmin","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/93aff415514bd814648ce79dba79eda7b10083835a9415e821ea29da31948aad?s=96&d=mm&r=g","caption":"deshouadmin"},"sameAs":["http:\/\/desopipe.com"],"url":"https:\/\/www.desopipe.com\/es\/author\/deshouadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/posts\/4097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/comments?post=4097"}],"version-history":[{"count":1,"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/posts\/4097\/revisions"}],"predecessor-version":[{"id":4101,"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/posts\/4097\/revisions\/4101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/media\/4100"}],"wp:attachment":[{"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/media?parent=4097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/categories?post=4097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.desopipe.com\/es\/wp-json\/wp\/v2\/tags?post=4097"}],"curies":[{"name":"gracias","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}