NA 054
DIN Standards Committee Plastics
Project
Plastics piping systems for water supply and for drainage and sewerage under pressure - Polyethylene (PE) - Part 4: Part 4: Valves
Begin
2026-05-27
Planned document number
ISO/WD 4427-4
Responsible national committee
NA 054-05-03 AA - Fittings for pressure pipelines made from thermoplastic materials
Responsible international committee
ISO/TC 138/SC 7 - Valves and auxiliary equipment of plastics materials
