Cómo dividir tubería corrugada de doble pared de HDPE en S1 y S2

2025-08-19

En la selección de tuberías corrugadas de doble pared de HDPE, a menudo se encuentran los términos S1 y S2. Para muchos usuarios, cómo distinguirlos con precisión es la clave para garantizar la calidad y aplicabilidad del proyecto. Como fabricante profesional de tuberías, AD Pipeline le explicará en detalle la diferencia y el método de identificación de las tuberías corrugadas de doble pared de HDPE S1 y S2.

En primer lugar, debemos dejar claro que S1 y S2 son los nombres comunes de dos grados diferentes de rigidez anular de las tuberías corrugadas de doble pared de HDPE. La rigidez anular es un indicador importante para medir la capacidad de las tuberías para resistir la presión externa y está directamente relacionada con el rendimiento enterrado de las tuberías. En términos simples, el grado de rigidez del anillo correspondiente a S1 suele ser SN4, es decir, puede soportar la presión de 4 kN por metro cuadrado; mientras que el grado de rigidez del anillo correspondiente a S2 es SN8, es decir, puede soportar la presión de 8 kN por metro cuadrado. Esta es la diferencia central entre los dos.

Entonces, en aplicaciones prácticas, ¿cómo distinguir entre S1 (SN4) y S2 (SN8)? La forma más directa es comprobar el logotipo del producto. Las tuberías corrugadas de doble pared de HDPE producidas por fabricantes regulares, como las producidas por tuberías AD, estarán claramente marcadas en la pared exterior de la tubería con información como modelo de producto, especificación, grado de rigidez del anillo (como SN4 o SN8). Al comprar, los usuarios solo necesitan verificar cuidadosamente el código o la etiqueta en la superficie de la tubería para distinguir claramente si es de nivel S1 o S2.

En segundo lugar, desde la perspectiva de los escenarios de rendimiento y aplicación, la tubería corrugada de doble pared de HDPE de grado S1 (SN4), debido a su rigidez de anillo relativamente baja, suele ser adecuada para algunas ocasiones en las que la rigidez del anillo de tubería no es alta, como drenaje municipal ordinario, drenaje comunitario de edificios, riego de tierras de cultivo, etc. En estos escenarios, la presión externa sobre la tubería es relativamente pequeña. La tubería corrugada de doble pared de HDPE de grado S2 (SN8) tiene una mayor rigidez del anillo y puede soportar una mayor presión externa, por lo que es más adecuada para proyectos con de gran profundidad de entierro, alta presión del suelo y puede soportar cargas de vehículos o requisitos especiales de soporte de carga, como drenaje de carreteras principales, drenaje en áreas de tráfico de vehículos pesados y descarga de aguas residuales industriales, que requieren una resistencia y estabilidad de tubería más estrictas.

Además, en términos de estructura y peso de la tubería, la tubería S2 (SN8) de la misma especificación generalmente tiene una pared más gruesa o un diseño de estructura de crestas y canales más optimizado que la tubería S1 (SN4) para garantizar su mayor rigidez del anillo. Por lo tanto, bajo el mismo diámetro de tubería, el peso de la tubería S2 también será un poco más pesado que el de la tubería S1. Sin embargo, esto debe juzgarse integralmente en combinación con el proceso de producción y el diseño del producto del fabricante específico, y no puede usarse como la única base para la discriminación. Lo más confiable es comprobar el logotipo del producto.

En resumen, para distinguir el S1 y el S2 de los tubos corrugados de doble pared de HDPE, lo más fundamental es mirar sus grados de rigidez del anillo (SN4 corresponde a S1, SN8 corresponde a S2), y confirmar a través del logotipo del producto. Entendiendo sus diferencias, los usuarios pueden elegir el grado adecuado de tubería corrugada de doble pared de HDPE de acuerdo con los requisitos específicos de diseño de ingeniería, condiciones de profundidad enterrada, cargas externas y otros factores para garantizar la seguridad, estabilidad y rentabilidad del proyecto. Al comprar, se recomienda elegir una marca fuerte y de buena reputación como AD Pipeline para garantizar que la calidad y el rendimiento del producto cumplan con los estándares relevantes.


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