热水和冷水安装用塑料管道系统 交联聚乙烯（PE-X） 第5部分：系统适用性（ISO 15875-5:2025）

[中文适用范围]： 本文件规定了用于建筑物内热水和冷水安装系统（包括饮用水和非饮用水系统）以及供暖系统的交联聚乙烯（PE-X）管道系统的适用性特征，这些系统用于输送水，其设计压力和温度应符合应用类别（参见ISO 15875-1:2025，表1）。本文件还规定了文中所提及的测试方法的测试参数。本文件适用于符合ISO 15875-2的管道之间以及符合ISO 15875-3的塑料和非塑料配件之间的连接，适用于热水和冷水安装系统。 [外文原描述]： This document specifies the characteristics of the fitness for purpose of crosslinked polyethylene (PE-X) piping systems intended to be used for hot and cold water installations within buildings for the conveyance of water whether or not intended for human consumption (domestic systems), and for heating systems, under design pressures and temperatures appropriate to the class of application (see ISO 15875-1:2025, Table 1). This document also specifies the test parameters for the test methods referred to herein. This document is applicable to joints between pipes conforming to ISO 15875-2 and fittings made of plastics and non-plastics materials conforming to ISO 15875-3, for hot and cold water installations.