用于地下排水管、污水管和供水管网修复的管道系统 非增塑聚氯乙烯（PVC-U）材料

[中文适用范围]： 本文件规定了用于非压力地下排水管和下水道修复的管道系统组成部分的管材和管件的要求和测试方法。 注：不适用于使用PVC-U材料修复压力管道。 适用于服务温度不超过35°C的未增塑聚氯乙烯（PVC-U）管材、管件和组件，包括制造状态和安装状态。不适用于现有管道。 本文件适用于“紧密贴合管道衬里”修复技术系列。 [外文原描述]： This document specifies requirements and test methods for pipes and fittings which are part of piping systems for the rehabilitation of non-pressure underground drains and sewers. NOTE It is not applicable to use of PVC-U material for rehabilitation of pipes under pressure. It is applicable to unplasticized poly (vinyl chloride) (PVC-U) pipes, fittings and assemblies, as manufactured and as installed with service temperature not exceeding 35 °C. It is not applicable to the existing pipeline. This document is applicable to the renovation technique family “lining with close-fit pipes”.