This British Standard specifies requirements for materials and design and gives methods of test for copper press end connections of plumbing fittings up to 108mm in diameter used for the purpose of joining copper tubes conforming to BSEN1057 and non-copper metallic tubes that are intended for use in water, in heating and cooling systems, and in natural gas and liquefied petroleum gas systems.
NOTE See Clause4 for plumbing fitting operating temperatures and pressures.