BS ISO 4427-1:2019 Plastics piping systems for water supply and for drainage and sewerage under pressure. Polyethylene (PE) General

Pipe fittings
Plastics
Potable water
Water supply
Water
Physical properties of materials
Testing conditions
Plastic pipelines
Pipes
Temperature
Pressure
Pipework systems
Designations
Polyethylene

Link: BS ISO 4427-1:2019 Plastics piping systems for water supply and for drainage and sewerage under pressure. Polyethylene (PE) General
Source: BSI Standards