本文件规定了气体燃料供应领域聚乙烯（PE）管道系统的适用性要求。 它规定了电熔合、对接熔合和机械接头的要求。 它规定了试件接头的制备方法，以及在这些接头上进行的试验，以评估系统在正常和极端条件下的适用性。 它规定了本文件中提及的试验方法的试验参数。 交叉引用:EN 1555-1:2010EN 1555-2:2010EN 1555-3prEN 1555-4EN ISO 1167-1:2006EN ISO 1167-2ISO 1167-2:2006EN ISO 1167-4ISO 1167-4ISO 1167-4:2007EN ISO 13477ISO 13477:2008EN ISO 13478ISO 13478:2007ISO 10838-1ISO 10838-2ISO 10838-3ISO 11413:2008ISO 11414:2009ISO 13953ISO 13954ISO/FDIS 13956EN 12007-2:2000CEN/TS Gas 1557PR所有现行文件修订版购买本文件时提供的信息包括在内。

This document specifies the requirements of fitness for purpose of the polyethylene (PE) piping system in the field of the supply of gaseous fuels. It specifies the requirements for electrofusion, butt fusion and mechanical joints. It specifies the method of preparation of test piece joints, and the tests to be carried out on these joints for assessing the fitness for purpose of the system under normal and extreme conditions. It specifies the test parameters for the test methods referred to in this document.Cross References:EN 1555-1:2010EN 1555-2:2010EN 1555-3prEN 1555-4EN ISO 1167-1:2006ISO 1167-1:2006EN ISO 1167-2ISO 1167-2:2006EN ISO 1167-4ISO 1167-4:2007EN ISO 13477ISO 13477:2008EN ISO 13478ISO 13478:2007ISO 10838-1ISO 10838-2ISO 10838-3ISO 11413:2008ISO 11414:2009ISO 13953ISO 13954ISO 13955ISO/FDIS 13956EN 12007-2:2000CEN/TS 1555-7National Grid Gas document T/PR/ML/4All current amendments available at time of purchase are included with the purchase of this document.