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NEN-EN 1254-4

Copper and copper alloys - Plumbing fittings - Part 4: Threaded fittings

active, Most Current
Organization: NEN
Publication Date: 1 June 2021
Status: active
Page Count: 22
ICS Code (Metal fittings): 23.040.40
scope:

This document specifies product characteristics, assessment methods, compliance criteria of the test results and a designation system for threaded fittings. These threaded ends exist with metallic and with non-metallic sealing elements for the purposes of joining with tubes, pipes, fittings or valves, the threaded ends have a size range from 3,175 mm (1/8") to 101,6 mm (4"). The threaded fittings are designed for a service lifetime up to fifty years.

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.

Threaded fittings may also have flanged end connections according to EN 1092-3.

Threaded 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:

a) liquid applications:

- hot, cold or combined hot and cold water, includingsystems according to EN 806;

- closed heating systems according to EN 12828;

- cooling systems;

- drainage systems;

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

b) gas applications:

- natural gas and liquefied petroleum gas systems with a maximum operating pressure less than or equal to 5 bar according to EN 1775;

- compressed air systems.

Document History

NEN-EN 1254-4
June 1, 2021
Copper and copper alloys - Plumbing fittings - Part 4: Threaded fittings
This document specifies product characteristics, assessment methods, compliance criteria of the test results and a designation system for threaded fittings. These threaded ends exist with metallic...
July 1, 2019
Copper and copper alloys - Plumbing fittings - Part 4: Threaded fittings
This document specifies product characteristics, assessment methods, compliance criteria and a designation system for threaded fittings. These threaded ends exist with metallic and with non-metallic...
August 1, 1999
Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining other end connections with capillary or compression ends
A description is not available for this item.
March 1, 1998
Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining other end connections with capillary or compression ends
Specifies materials, assembly dimensions and tolerances and test requirements for fittings of copper and copper alloys with or without plating or coating. Maximum permissible temperatures and...
January 1, 1994
Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining end connections with capillary or compression ends
Specifies materials, assembly dimensions and tolerances and test requirements for fittings of copper and copper alloys with or without plating or coating. Maximum permissible temperatures and...

References

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