地下供水管网非开挖修复用塑料管道系统 第2部分:连续穿插内衬法(英文版)
Plastics piping systems for renovation of underground water supply networks—Part 2: Lining with continuous pipes
标准状态
基本信息
标准简介
This document specifies the technical requirements for lining pipes and fittings at the "M" stage, the system requirements at the "I" stage, and the installation and acceptance of plastics piping systems used for renovation of water supply networks by lining with continuous pipes. This document is applicable to polyethylene piping systems for general-purpose pressurized water supply and distribution with an operating temperature not exceeding 40 °C and a maximum operating pressure (MOP) not greater than 2.0 MPa. The polyethylene pipes and fittings for water supply are made from PE 80 and PE 100 compounds, with nominal outside diameters from 16 mm to 2 500 mm. The polyethylene pipes are of the following two types: