{"id":8600,"date":"2024-05-11T07:19:20","date_gmt":"2024-05-11T07:19:20","guid":{"rendered":"https:\/\/www.ifanfittings.com\/?p=8600"},"modified":"2026-01-08T15:39:27","modified_gmt":"2026-01-08T07:39:27","slug":"como-elegir-tuberias-pex-parte-3","status":"publish","type":"post","link":"https:\/\/www.waterpipefactory.com\/es\/conocimiento\/como-elegir-tuberias-pex-parte-3\/","title":{"rendered":"C\u00f3mo elegir tuber\u00edas PEX (Parte 3)"},"content":{"rendered":"

Tuber\u00edas PEX Consideraciones de dimensi\u00f3n<\/strong><\/h3>\n\n\n\n

M\u00e1s all\u00e1 de la formulaci\u00f3n, las dimensiones tambi\u00e9n importan. PEX utiliza un tama\u00f1o nominal, pero las dimensiones reales var\u00edan ligeramente:<\/p>\n\n\n\n

- 1\u20444\u201d PEX tiene 0,25\u201d de di\u00e1metro interior (DI) y 0,375\u201d de di\u00e1metro exterior (DE)<\/p>\n\n\n\n

– 3\u20448\u201d PEX has 0.375\u201d ID and 0.500\u201d OD<\/p>\n\n\n\n

– 1\u20442\u201d PEX has 0.500\u201d ID and 0.625\u201d OD<\/p>\n\n\n\n

– 3\u20444\u201d PEX has 0.750\u201d ID and 0.875\u201d OD<\/p>\n\n\n\n

– 1\u201d PEX has 1.00\u201d ID and 1.125\u201d OD<\/p>\n\n\n\n

Preste atenci\u00f3n al di\u00e1metro exterior (DE) al conectar accesorios de tama\u00f1o nominal. Las paredes m\u00e1s gruesas de las tuber\u00edas PEX reducen el di\u00e1metro interior (DI), lo que afecta el caudal; por lo tanto, aumente el tama\u00f1o seg\u00fan corresponda. El DE y el DI de las tuber\u00edas de cobre son id\u00e9nticos, por lo que un mismo tama\u00f1o puede tener caudales PEX m\u00e1s bajos en algunas situaciones.<\/p>\n\n\n\n

Adem\u00e1s, confirme que la presi\u00f3n nominal de las tuber\u00edas PEX seleccionadas se ajuste a las necesidades de la aplicaci\u00f3n. 160 psi y 200 psi son comunes en aplicaciones residenciales. Las demandas comerciales m\u00e1s altas requieren presiones m\u00e1s altas.<\/p>\n\n\n\n

Finalmente, considere las opciones de longitud de bobina. El PEX est\u00e1 disponible en bobinas de 30 a m\u00e1s de 305 metros (100 a m\u00e1s de 1000 pies). Las bobinas m\u00e1s largas reducen la necesidad de empalmes en comparaci\u00f3n con las longitudes m\u00e1s cortas. Compre solo lo necesario para evitar desperdicios.<\/p>\n\n\n\n

Consideraciones de rendimiento<\/strong><\/h3>\n\n\n\n

M\u00e1s all\u00e1 de las diferencias de clasificaci\u00f3n, las propiedades de los tubos importan:<\/p>\n\n\n\n

– Temperature Cycling – PEX-A has the highest elasticity and memory to resist brittleness after repeated heating and cooling cycles.<\/p>\n\n\n\n

– Flow Rate – Larger PEX diameters and thin walls provide the best flow. But flexible PEX has more head loss than rigid copper. Size up accordingly.<\/p>\n\n\n\n

– Pressure Surge Resistance – PEX withstands spikes better than rigid materials. But proper system design is still crucial.<\/p>\n\n\n\n

– Chemical Resistance – PEX-A offers the best resistance to aggressive like chloramines or acids that attack other plastics and rubbers.<\/p>\n\n\n\n

– Fatigue Resistance – PEX-A endures structural stresses like bending, flexing, and vibration best long-term.<\/p>\n\n\n\n

La adaptaci\u00f3n a las condiciones mec\u00e1nicas, t\u00e9rmicas, qu\u00edmicas e hidr\u00e1ulicas previstas permite seleccionar el PEX adecuado para cada aplicaci\u00f3n. Un \u00fanico producto no puede adaptarse perfectamente a todos los escenarios.<\/p>\n\n\n\n

\"\"<\/a><\/figure>\n\n\n\n

Si est\u00e1s interesado, haz clic aqu\u00ed y cont\u00e1ctanos para obtener nuestro cat\u00e1logo de productos.<\/strong><\/a><\/p>","protected":false},"excerpt":{"rendered":"

PEX Pipes Dimension Considerations Beyond formulation, dimensions matter too. PEX uses nominal sizing but actual dimensions vary slightly: – 1\u20444\u201d PEX has 0.25\u201d inside diameter (ID) and 0.375\u201d outside diameter (OD) – 3\u20448\u201d PEX has 0.375\u201d ID and 0.500\u201d OD – 1\u20442\u201d PEX has 0.500\u201d ID and 0.625\u201d OD – 3\u20444\u201d PEX has 0.750\u201d ID […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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