BS ISO 22391-5. Plastics piping systems for hot and cold water installations. Polyethylene of raised temperature resistance (PE-RT). Part 5. Fitness for purpose of the system
Plastics piping systems. Systems for hot and cold water not intended for human consumption. Performance characteristics for pipes, fittings and their joints
District heating pipes. Bonded single and twin pipe systems for buried hot water networks-Joint casing assemblies and thermal insulation for hot water networks in accordance with EN 13941-1