BS ISO 4427-5:2019 Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) Fitness for purpose of the system

Testing conditions
Potable water
Mechanical properties of materials
Marking
Pipe fittings
Polyethylene
Colour
Pipework systems
Plastics
Water
Water supply
Temperature
Dimensions
Physical properties of materials
Plastic pipelines
Pressure

Link: BS ISO 4427-5:2019 Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) Fitness for purpose of the system
Source: BSI Standards

BS ISO 4427-3:2019 Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) Fittings

Pipework systems
Plastic pipelines
Plastics
Colour
Physical properties of materials
Marking
Polyethylene
Mechanical properties of materials
Potable water
Dimensions
Pipe fittings
Water
Temperature
Pressure
Water supply
Testing conditions

Link: BS ISO 4427-3:2019 Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) Fittings
Source: BSI Standards