NEN ISO 21138-2 : 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 2: Pipes and fittings with smooth external surface, T
出版：Netherlands Standards
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基本信息
标准编号： NEN ISO 21138-2 : 2020
标准类别：Standard
出版单位：Netherlands Standards
标准页数：0
标准简介
NEN-ISO 21183-2 together with ISO 21138-1, specifies the definitions and requirements for pipes with smooth external and internal surfaces (Type A), 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.
本标准替代的旧标准
