BS EN 1254-6:2021

This standard BS EN 1254-6:2021 Copper and copper alloys. Plumbing fittings is classified in these ICS categories:

• 23.040.40 Metal fittings

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 6 mm to 54 mm. 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:

1. copper tubes to EN 1057 .

The fittings are used up to the operating temperatures and corresponding maximum operating pressures as indicated in Annex A.

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 EN 1254.

Push-fit fittings for metallic tubes may also have flanged end connections according to EN 1092-3.

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:

1. hot, cold or combined hot and cold water, including systems according to EN 806 ;

2. closed heating systems according to EN 12828 ;

3. cooling systems;

4. drainage systems;

5. fire protection systems including sprinkler systems according to EN 12845 .