{"id":3386,"date":"2025-04-18T11:07:03","date_gmt":"2025-04-18T03:07:03","guid":{"rendered":"https:\/\/onerovalve.com\/?p=3386"},"modified":"2025-04-24T17:05:18","modified_gmt":"2025-04-24T09:05:18","slug":"ball-valve-specifications","status":"publish","type":"post","link":"https:\/\/www.onerovalve.com\/es\/blog\/ball-valve-specifications\/","title":{"rendered":"C\u00f3mo leer las especificaciones de las v\u00e1lvulas de bola (clasificaciones de NPS, DN y clase)"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Las marcas de las v\u00e1lvulas de bola proporcionan informaci\u00f3n esencial sobre el tama\u00f1o, la capacidad de presi\u00f3n y las aplicaciones adecuadas. Sin embargo, pueden parecer un idioma desconocido si no se est\u00e1 familiarizado con la terminolog\u00eda del sector.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esta gu\u00eda le ayudar\u00e1 a decodificar las especificaciones comunes de las v\u00e1lvulas de bola, incluido el tama\u00f1o nominal de la tuber\u00eda (NPS), el di\u00e1metro nominal (DN) y varias clasificaciones de clase de presi\u00f3n como CWP y WOG que aparecen en los cuerpos de las v\u00e1lvulas y la documentaci\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Designaciones de tama\u00f1o de v\u00e1lvula de bola: NPS y DN<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Las v\u00e1lvulas de bola suelen utilizar dos sistemas de dimensionamiento principales, dependiendo de si siguen los est\u00e1ndares estadounidenses o internacionales:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>NPS (tama\u00f1o nominal de la tuber\u00eda)<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NPS es el est\u00e1ndar estadounidense para designar el di\u00e1metro de las tuber\u00edas. A pesar de expresarse en pulgadas (p. ej., 2\u2033), esta medida no se corresponde directamente con el di\u00e1metro interior o exterior real de la tuber\u00eda. Se refiere a un tama\u00f1o nominal estandarizado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por ejemplo, una v\u00e1lvula de bola NPS de 2\u2033 se conecta a tuber\u00edas con un di\u00e1metro exterior de aproximadamente 2,375\u2033, mientras que el di\u00e1metro interior var\u00eda seg\u00fan el programa de la tuber\u00eda.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>DN (Di\u00e1metro nominal)<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DN es la designaci\u00f3n m\u00e9trica internacional para el tama\u00f1o de las tuber\u00edas, expresada en mil\u00edmetros. Al igual que el NPS, estos n\u00fameros representan dimensiones nominales, no reales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por ejemplo, DN50 corresponde aproximadamente a 2\u2033 NPS. Al seleccionar v\u00e1lvulas para aplicaciones internacionales, comprender el equivalente de DN garantiza un dimensionamiento adecuado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para obtener informaci\u00f3n detallada sobre las consideraciones de tama\u00f1o, consulte nuestra gu\u00eda sobre <a href=\"https:\/\/www.onerovalve.com\/es\/blog\/design\/industrial-ball-valve-dimensions-choosing-the-right-size\/\" target=\"_blank\" rel=\"noreferrer noopener\">Dimensiones de la v\u00e1lvula de bola industrial<\/a> Proporciona informaci\u00f3n completa sobre c\u00f3mo seleccionar el tama\u00f1o de v\u00e1lvula adecuado para su aplicaci\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Comprensi\u00f3n de las clasificaciones de presi\u00f3n de las v\u00e1lvulas de bola<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXfRRSIIH2UAzrTPhKbZFIyJ1Rgz41Zx1WeW81kd_Y3ifSPJysv1fq5dG3qjO4yl_jXeB-OtsQSRnu90A-gn63rhmJTE57gvD_wW2K_6xIXcbMZaMmaAx5rVLXVzi-CwbRoWaqui?key=wsHVqQPDBS1QhPDPuKTehyfV\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Las clasificaciones de presi\u00f3n indican la presi\u00f3n m\u00e1xima que una v\u00e1lvula puede soportar con seguridad a temperaturas espec\u00edficas. Estas son las clasificaciones m\u00e1s comunes:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u00bfQu\u00e9 significa CWP?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CWP significa Presi\u00f3n de Trabajo en Fr\u00edo (Cold Working Pressure), que indica la presi\u00f3n m\u00e1xima que una v\u00e1lvula puede soportar a temperatura ambiente (normalmente 100 \u00b0F o 38 \u00b0C). Esta clasificaci\u00f3n asume que la v\u00e1lvula soporta agua fr\u00eda, petr\u00f3leo o gas sin impacto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por ejemplo, una v\u00e1lvula de bola marcada \u201cCWP 800\u201d puede funcionar de forma segura a presiones de hasta 800 PSI a temperatura ambiente.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u00bfQu\u00e9 significa WOG en una v\u00e1lvula?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WOG significa Agua, Aceite y Gas, lo que indica que la v\u00e1lvula es apta para estos tres tipos de fluidos. La clasificaci\u00f3n WOG especifica la presi\u00f3n m\u00e1xima que la v\u00e1lvula puede soportar al trabajar con estos fluidos a temperatura ambiente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por ejemplo, una v\u00e1lvula de bola \u201c600 WOG\u201d puede soportar presiones de hasta 600 PSI al manipular agua, aceite o gas a temperaturas normales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las v\u00e1lvulas de bola WOG son opciones vers\u00e1tiles para diversas aplicaciones industriales gracias a su compatibilidad con m\u00faltiples medios. Sin embargo, verifique siempre que el medio espec\u00edfico de su sistema sea compatible con los materiales de la v\u00e1lvula.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Explicaci\u00f3n de las clasificaciones de clases<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Las clasificaciones de clase ANSI\/ASME proporcionan una relaci\u00f3n de presi\u00f3n y temperatura estandarizada para las v\u00e1lvulas:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Clase 150<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La clasificaci\u00f3n m\u00e1s com\u00fan para aplicaciones industriales est\u00e1ndar, las v\u00e1lvulas Clase 150 generalmente manejan presiones de hasta 285 PSI a temperatura ambiente, con clasificaciones decrecientes a temperaturas m\u00e1s altas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Clase 300<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Para aplicaciones de presi\u00f3n media, las v\u00e1lvulas Clase 300 manejan hasta 740 PSI a temperatura ambiente. Son comunes en entornos industriales m\u00e1s exigentes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Clase 600 y superior<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Estas clasificaciones de alta presi\u00f3n se utilizan en aplicaciones especializadas donde las presiones del sistema exceden las que manejan las v\u00e1lvulas de Clase 300.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Designaciones de materiales de la carrocer\u00eda<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Las especificaciones de la v\u00e1lvula de bola a menudo incluyen c\u00f3digos de material que indican de qu\u00e9 est\u00e1 hecho el cuerpo de la v\u00e1lvula:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>WCB<\/strong>:Acero al carbono fundido<\/li>\n\n\n\n<li><strong>CF8M<\/strong>:Acero inoxidable (316)<\/li>\n\n\n\n<li><strong>CF8<\/strong>:Acero inoxidable (304)<\/li>\n\n\n\n<li><strong>LCB<\/strong>:Acero al carbono de baja temperatura<\/li>\n\n\n\n<li><strong>LCC<\/strong>:Acero al carbono de baja temperatura (resistencia al impacto mejorada)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">La selecci\u00f3n del material afecta las clasificaciones de presi\u00f3n, los l\u00edmites de temperatura y la compatibilidad qu\u00edmica.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Tipos de conexi\u00f3n final<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Las especificaciones de la v\u00e1lvula de bola tambi\u00e9n incluyen el tipo de conexi\u00f3n, que debe coincidir con su sistema de tuber\u00edas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Con bridas<\/strong>:Utilizando bridas estandarizadas (RF, FF, RTJ)<\/li>\n\n\n\n<li><strong>Enhebrado<\/strong>: Roscas NPT o BSPT<\/li>\n\n\n\n<li><strong>Soldadura por encastre<\/strong>:Para conexiones soldadas<\/li>\n\n\n\n<li><strong>Soldadura a tope<\/strong>:Para soldadura directa a tuber\u00eda<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Para aplicaciones de control de flujo especializadas, <a href=\"https:\/\/www.onerovalve.com\/es\/blog\/3-way-ball-valve-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">v\u00e1lvulas de bola de 3 v\u00edas<\/a> Ofrecen opciones de configuraci\u00f3n adicionales m\u00e1s all\u00e1 de los dise\u00f1os est\u00e1ndar de 2 v\u00edas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Consideraciones de temperatura<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si bien las clasificaciones de presi\u00f3n suelen referirse a la temperatura ambiente, las v\u00e1lvulas deben reducir su capacidad nominal para temperaturas m\u00e1s altas. Las tablas del fabricante muestran cu\u00e1nto disminuye la clasificaci\u00f3n de presi\u00f3n a medida que aumenta la temperatura.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por ejemplo, una v\u00e1lvula de clase 150 clasificada para 285 PSI a 100 \u00b0F podr\u00eda soportar solo 260 PSI a 200 \u00b0F.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusi\u00f3n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Comprender las especificaciones de las v\u00e1lvulas de bola le garantiza seleccionar la v\u00e1lvula adecuada para su aplicaci\u00f3n. Al interpretar correctamente las designaciones de tama\u00f1o, las presiones nominales (como CWP y WOG), las clasificaciones de clase y las especificaciones de los materiales, puede evitar errores costosos y garantizar la seguridad del sistema.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Al comparar v\u00e1lvulas de bola con otras opciones como v\u00e1lvulas de compuerta, nuestra gu\u00eda sobre <a href=\"https:\/\/www.onerovalve.com\/es\/blog\/comparison\/gate-valve-vs-ball-valve-9-key-differences\/\" target=\"_blank\" rel=\"noreferrer noopener\">Diferencias entre v\u00e1lvulas de compuerta y v\u00e1lvulas de bola<\/a> Puede ayudarle a determinar cu\u00e1l es m\u00e1s adecuado para su aplicaci\u00f3n espec\u00edfica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recuerde que estas especificaciones funcionan como un sistema; la presi\u00f3n nominal solo es v\u00e1lida para el rango de temperatura y la compatibilidad con medios especificados. Consulte siempre la documentaci\u00f3n del fabricante para obtener la informaci\u00f3n m\u00e1s precisa sobre su modelo de v\u00e1lvula.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ball valve markings provide essential information about size, pressure capabilities, and suitable applications. However, they can seem like a foreign language if you&#8217;re unfamiliar with industry<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":3387,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Read Ball Valve Specifications (NPS, DN, Class Ratings)<\/title>\n<meta name=\"description\" content=\"Learn how to read ball valve specifications including NPS, DN, pressure ratings (CWP &amp; WOG), and class ratings to select the right valve for your application.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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