BS EN ISO 15874-5. Plastics piping systems for hot & cold water installations. Polypropylene (PP). Part 5. Fitness for purpose of the system Pipes, Pipe fittings, Polypropylene, Plastics, Water supply (buildings), Domestic, Hot-water supply systems, Cold-water supply systems, Water, Potable water, Hot-water central heating, Pipework systems, Pipe couplings, Fitness for purpose, Classification systems, Environment (working), Testing conditions