
Plastics piping systems for water supply and for drainage and sewerage under pressure - Polyethylene (PE) - Part 1: General (ISO 4427-1:2019, IDT)
出版:Standardiserings-Kommissionen I Sverige

专家解读视频
This document specifies the general aspects of polyethylene (PE) compounds for the manufacture of pressure pipes and fittings (mains and service pipes) for buried or above ground applications, intended for the conveyance of: — water for human consumption; — raw water prior to treatment; — drainage and sewerage under pressure; — vacuum sewer systems; — water for other purposes.