BS EN 1254-6:2021

This document specifies product characteristics, assessment methods, compliance criteria of test results and a designation system for push-fit fittings for the purpose of joining tubes of copper, plated copper, multilayer pipes and plastics pipes. The fitting ends have a nominal diameter from 6mm to 54mm. The fittings are designed for a service lifetime up to fifty years.This document is applicable to push-fit fittings for joining one or more of the following tubes or pipes: copper tubes to EN1057 . The fittings are used up to the operating temperatures and corresponding maximum operating pressures as indicated in AnnexA.This document applies to copper alloy fittings. A non-exhaustive list of these copper alloys is given in CEN/TS 13388.Adaptor fittings may combine push-fit ends with fitting ends defined in the other parts of EN1254.Push-fit fittings for metallic tubes may also have flanged end connections according to EN1092-3.Push-fit fittings may also have a plated or other decorative surface coating.Fittings can be produced by machining, metal forming, casting, or fabrication.Products covered by this document are intended to be used in liquid applications: hot, cold or combined hot and cold water, including systems according to EN806 ; closed heating systems according to EN12828 ; cooling systems; drainage systems; fire protection systems including sprinkler systems according to EN12845 .