Найдено: 4
Overview ISO 4427-3:2019 specifies requirements for polyethylene (PE) fittings used in plastics piping systems for water supply, and for drainage and sewerage under pressure. The standard covers PE f…
1 Scope This part of ISO 4427 specifies the general aspects of fittings made from polyethylene (PE) for piping systems intended for the conveyance of water for human consumption, including raw water…