标准摘要
[中文适用范围]： 本文件规定了符合ISO 2531、ISO 7186和ISO 16631的球墨铸铁管（不包括饮用水）的工厂施加陶瓷环氧衬里的要求和试验方法，操作温度最高50°C。 [外文原描述]： This document specifies the requirements and test methods applicable to factory applied ceramic epoxy lining for ductile iron pipes conforming to ISO 2531, ISO 7186 and ISO 16631, excluding potable water, for operating temperature up to 50 °C.
英文名称Internal protection by polymeric lining for ductile iron pipes — Requirements and test methods — Part 4: Ceramic epoxy lining