NEN-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 surfac
出版：Netherlands Standards
专家解读视频
基本信息
标准编号： NEN-ISO 21138-3:2020
标准类别：Standard
出版单位：Netherlands Standards
标准页数：0
标准简介
NEN-ISO 21183-3together 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 systemsbased 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.
本标准替代的旧标准
