DS/ISO 21138-3:2020现行
Plastics piping systems for non-pressure underground drainage and sewerage – Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) – Part 3: Pipes and fittings with non-smooth external surface, Type B
出版：Danish Standards
专家解读视频
基本信息
标准编号： DS/ISO 21138-3:2020
出版单位：Danish Standards
标准页数：0
标准简介
This document, together with ISO 21138‑1, specifies the definitions and requirements for pipes with a non-smooth external surface and a smooth internal surface (Type B), fittings and systems based on unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) structured-wall piping systems intended to be used in non-pressure underground drainage and sewerage applications.
等同采用的国际标准
