KS M ISO 22391-2 is for cooling in buildings that can be used by people or applied to heating systems.
KS M ISO 22391-2:2010 history
2020KS M ISO 22391-2:2020 Plastics piping systems for hot and cold water installations — Polyethylene of raised temperature resistance(PE-RT) — Part 2: Pipes
2015KS M ISO 22391-2:2015 Plastics piping systems for hot and cold water installations — Polyethylene of raised temperature resistance(PE-RT) — Part 2: Pipes
2010KS M ISO 22391-2:2010 Plastics piping systems for hot and cold water installations-Polyethylene of raised temperature resistance(PE-RT)-Part 2:Pipes