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
出版：International Organization for Standardization
专家解读视频
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.
NEN-ISO 21138-3:2020 - Identical
DS/ISO 21138-3:2020 - Identical
DS/ISO 21138-3:2020 - Identical
NEN-ISO 21138-3:2020 - Identical
NEN-ISO 21138-3:2020 - Identical
