ISO 21138-2:2020現行
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, Ty
出版：International Organization for Standardization
專家解讀視頻
This document, 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.
DS/ISO 21138-2:2020 - Identical
NEN ISO 21138-2 : 2020 - Identical
DS/ISO 21138-2:2020 - Identical
NEN ISO 21138-2 : 2020 - Identical
