Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining other end connections with capillary or compression ends

CMC - TC - mistake overlooked by TEd: mistakes in drawings.

Kupfer und Kupferlegierungen - Fittings - Teil 4: Fittings zum Verbinden anderer Ausführungen von Rohrenden mit Kapillarlötverbindungen oder Klemmverbindungen

Cuivre et alliages de cuivre - Raccords - Partie 4: Raccords combinant des assemblages par capillarité ou par compression à d'autres types d'assemblage

Baker in bakrove zlitine - Fitingi - 4. del: Fitingi, ki so na enem koncu prirejeni za kapilarno lotanje ali nakrčno zvezo, na drugem koncu pa za drugačno zvezo

General Information

Status: Withdrawn
Publication Date: 04-Aug-1999
Withdrawal Date: 20-Jan-2026

ICS: 23.040.40 - Metal fittings

Technical Committee: CEN/TC 133 - Copper and copper alloys
Drafting Committee: CEN/TC 133/WG 8 - Fittings

Current Stage: 9960 - Withdrawal effective - Withdrawal
Start Date: 26-May-2021
Completion Date: 28-Jan-2026

Directive: 93/38/EEC - Procurement procedures of entities operating in the water, energy, transport and telecommunications sectors

Mandate: M/BC/CEN/88/15 - Standardization request to CEN/CENELEC in the field of Water supply, drainage and sewerage

Ref Project: SIST EN 1254-4:2000/AC:2002 - Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining other end connections with capillary or compression ends

Relations

Replaced By: EN 1254-4:2021 - Copper and copper alloys - Plumbing fittings - Part 4: Threaded fittings
Effective Date: 02-Jun-2021

Corrects: EN 1254-4:1998 - Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining other end connections with capillary or compression ends
Effective Date: 08-Jun-2022

Corrigendum

EN 1254-4:2000/AC:2002

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Frequently Asked Questions

What is EN 1254-4:1998/AC:1999?

EN 1254-4:1998/AC:1999 is a corrigendum published by the European Committee for Standardization (CEN). Its full title is "Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining other end connections with capillary or compression ends". This standard covers: CMC - TC - mistake overlooked by TEd: mistakes in drawings.

What is the scope of EN 1254-4:1998/AC:1999?

CMC - TC - mistake overlooked by TEd: mistakes in drawings.

What ICS categories does EN 1254-4:1998/AC:1999 belong to?

EN 1254-4:1998/AC:1999 is classified under the following ICS (International Classification for Standards) categories: 23.040.40 - Metal fittings. The ICS classification helps identify the subject area and facilitates finding related standards.

What standards are related to EN 1254-4:1998/AC:1999?

EN 1254-4:1998/AC:1999 has the following relationships with other standards: It is inter standard links to EN 1254-4:2021, EN 1254-4:1998. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

Is EN 1254-4:1998/AC:1999 a harmonized European standard?

EN 1254-4:1998/AC:1999 is associated with the following European legislation: EU Directives/Regulations: 93/38/EEC; Standardization Mandates: M/BC/CEN/88/15. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.

How can I access EN 1254-4:1998/AC:1999?

EN 1254-4:1998/AC:1999 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)

EN 1254-4:2000/AC:2002

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kupfer und Kupferlegierungen - Fittings - Teil 4: Fittings zum Verbinden anderer Ausführungen von Rohrenden mit Kapillarlötverbindungen oder KlemmverbindungenCuivre et alliages de cuivre - Raccords - Partie 4: Raccords combinant des assemblages par capillarité ou par compression a d'autres types d'assemblageCopper and copper
...

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CEN

EN 1254-3:2021+A1:2025(Main + Amendment)

Copper and copper alloys - Plumbing fittings - Part 3: Compression fittings for use with plastics and multilayer pipes

SIST EN 1254-3:2021+A1:2025

This document specifies product characteristics, assessment methods, compliance criteria of test results and a designation system for fittings with compression ends for use with plastics and multilayer pipes which are defined in the applicable pipe standard. For the purposes of joining plastics pipes, the fitting ends have a nominal diameter from 6 mm to 160 mm. The fittings are designed for a service lifetime up to fifty years.
The compression 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 for use with plastics and multilayer pipes may combine compression ends with fitting ends defined in the other parts of EN 1254.
Compression fittings for use with plastics and multilayer pipes may also have flanged end connections according to EN 1092-3.
Compression fittings for use with plastics and multilayer pipes 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, including systems 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 (not valid for multilayer pipes):
- 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.

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CEN

EN 1254-8:2021+A1:2025(Main + Amendment)

Copper and copper alloys - Plumbing fittings - Part 8: Press fittings for use with plastics and multilayer pipes

SIST EN 1254-8:2021+A1:2025

This document specifies product characteristics, assessment methods, compliance criteria of test results and a designation system for fittings with radial and axial press ends for use with plastics and multilayer pipes. The fitting ends have a nominal diameter from 10 mm to 160 mm. The fittings are designed for a service lifetime up to fifty years.
This document applies to copper alloy fittings. A non-exhaustive list of these copper alloys is given in CEN/TS 13388.
Adaptor fittings for use with plastics and multilayer pipes may combine press ends with fitting ends defined in the other parts of EN 1254.
Press fittings for use with plastics and multilayer pipes may also have flanged end connections according to EN 1092-3.
Press fittings for use with plastics and multilayer pipes 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, including systems 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;
- supply systems for points of consumption with liquid fuels according to EN 12514.
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.

Standard
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CEN

EN 1254-20:2021+A1:2025(Main + Amendment)

Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information

SIST EN 1254-20:2021+A1:2025

This document contains definitions, thread dimension, reference data (minimum bore and wall thickness), supporting information (assembling instructions) and describes the test methods referenced by other parts of the EN 1254 series.
Thread dimensions comprise: wall thickness at threaded portions of fittings, dimensions of tail pipe ends for swivel fittings, dimensions of gas union connectors, thread dimensions and thread profile.
Test methods comprise: leak tightness under internal hydrostatic pressure, leak tightness under internal pneumatic pressure, integrity of fabricated fitting bodies or having an 'as cast' microstructure, resistance to pull out of joints to metallic tubes, resistance of joints with metallic tube to vibration, resistance of joints to static flexural force, leak tightness of joints under vacuum, the resistance of joints to temperature cycling, detecting non-pressed fitting ends, resistance to stress corrosion, detection of a carbon film on the surface of copper fittings, determination of mean depth of dezincification, resistance of joints to pressure cycling, disconnection and re-use, determining if the diameter and/or the length of engagement of a capillary end is/are within the specified tolerance, determining the minimum length of engagement of an integral solder or brazing ring socket having a formed groove.

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CEN

EN 1254-6:2021+A1:2025(Main + Amendment)

Copper and copper alloys - Plumbing fittings - Part 6: Push-fit fittings for use with metallic tubes, plastics and multilayer pipes

SIST EN 1254-6:2021+A1:2025

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 63 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:
-   copper tubes according to EN 1057.
-   plastics and multilayer pipes.
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 can combine push-fit ends with fitting ends defined in the other parts of EN 1254.
Push-fit fittings for metallic tubes can also have flanged end connections according to EN 1092 3.
Push-fit fittings can 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 the EN 806 series;
-   closed heating systems according to EN 12828;
-   cooling systems;
-   drainage systems;
-   fire protection systems including sprinkler systems according to EN 12845.

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CEN

EN 1254-2:2021(Main)

Copper and copper alloys - Plumbing fittings - Part 2: Compression fittings for use with copper tubes

SIST EN 1254-2:2021

This document specifies product characteristics, assessment methods, compliance criteria of the test results and a designation system for compression fittings for connecting with copper tubes. Compression fittings exist with sealing elements - metallic and/or non-metallic - called non manipulative (commonly referenced as type A) and without sealing elements, called manipulative (commonly referenced as type B). For the purposes of joining copper tubes, the fitting ends have a nominal diameter from 6 mm to 108 mm. The compression 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.
Compression fitting ends, Type A, are used with copper tubes to EN 1057 in all material hardness conditions.
Compression fittings, Type A, will possibly require an internal support when used with R220 (annealed) copper tube and the manufacturer’s advice should be sought.
Compression fitting ends, Type B, are used with R220 (annealed) or R250 (half-hard) copper tube to EN 1057.
Compression fittings, Type B, may be used with R290 (hard) copper tube and the manufacturer’s advice should be sought.
Adaptor fittings for use with copper tubes may combine compression ends with fitting ends defined in the other parts of EN 1254.
Compression fittings for use with copper tubes may also have flanged end connections according to EN 1092-3.
Compression fittings for use with copper tubes 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, including systems according to EN 806;
- closed heating systems according to EN 12828;
- cooling systems.
b) drainage systems:
- fire protection systems including sprinkler systems according to EN 12845;
- supply systems for points of consumption with liquid fuels according to EN 12514.
c) 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.

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CEN

EN 1254-5:2021(Main)

Copper and copper alloys - Plumbing fittings - Part 5: Capillary fittings with short ends for brazing to copper tubes

SIST EN 1254-5:2021

This document specifies product characteristics, assessment methods, compliance criteria of the test results and a designation system for capillary fittings with short ends for brazing to copper tubes e.g. EN 1057, EN 13348, EN 13349, EN 12735-1, EN 12735-2, etc. These fitting ends exist in two forms: end feed fittings and integral brazing ring fittings. For the purposes of joining copper tubes, the fitting ends have a nominal diameter from 14,7 mm to 159 mm. The 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.
The capillary fittings with short ends for brazing to copper tubes are used with brazing alloys in accordance with alloys specified in EN ISO 17672.
Not all copper alloys that can be used to manufacture fittings can be brazed and those that can be brazed may require different brazing techniques (guidance is provided in in EN 1254-20:2021, Annex A).
Fittings with short ends for capillary brazing may also have threaded end connections. 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 1/8" to 4".
Adaptor fittings for use with copper tubes may combine short ends for capillary brazing with fitting ends defined in the other parts of EN 1254.
Capillary fittings with short ends for brazing may also have flanged end connections according to EN 1092-3.
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, including systems 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;
- refrigeration systems;
- supply systems for points of consumption with liquid fuels according to EN 12514.
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;- gas line systems with an operating pressure exceeding 0,5 bar for industrial installations and exceeding 5 bar for industrial and non-industrial installations according to EN 15001-1;
- compressed air systems;
- medical gas systems according to EN ISO 7396;
- refrigeration systems.

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EN 1254-1:2021(Main)

Copper and copper alloys - Plumbing fittings - Part 1: Capillary fittings for soldering or brazing to copper tubes

SIST EN 1254-1:2021

This document specifies product characteristics, assessment methods, compliance criteria of the test results and a designation system for fittings with ends for capillary soldering or capillary brazing for connecting with copper tubes e.g. EN 1057, EN 13348, EN 13349, EN 12735-1, EN 12735-2 etc. For the purposes of joining copper tubes, the fitting ends have a nominal diameter from 6 mm to 108 mm. These fitting ends exist in three forms: end feed fittings, integral solder and integral brazing ring fitting ends. The 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.
The capillary fittings for soldering or brazing to copper tubes are used with solder alloys in accordance with alloys specified in EN ISO 9453 and brazing alloys in accordance with alloys specified in EN ISO 17672.
Adaptor fittings for use with copper tubes may combine capillary soldering or capillary brazing ends with fitting ends defined in the other parts of EN 1254.
Capillary fittings for soldering or brazing may also have flanged end connections according to EN 1092-3.
Capillary fittings for soldering or brazing 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, including systems 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;
- refrigeration systems;
- supply systems for points of consumption with liquid fuels according to EN 12514.
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;
- gas line systems with an operating pressure exceeding 0,5 bar for industrial installations and exceeding 5 bar for industrial and non-industrial installations according to EN 15001-1;
- compressed air systems;
- medical gas systems according to EN ISO 7396;
- refrigeration systems.

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EN 1254-4:2021(Main)

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

SIST EN 1254-4:2021

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.

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EN 1254-7:2021(Main)

Copper and copper alloys - Plumbing fittings - Part 7: Press fittings for use with metallic tubes

SIST EN 1254-7:2021

This document specifies product characteristics, assessment methods, compliance criteria of test results and a designation system for press fittings including their elastomeric seals, for connecting with metallic tubes. The fitting ends have a nominal diameter from 6 mm to 108 mm. The press fittings are designed for a service lifetime up to fifty years.
This document is applicable to press fittings for joining one or more of the following tubes:
- copper tubes to EN 1057; and
- stainless steel tubes to EN 10312;
with wall thicknesses and tempers as specified by the manufacturer.
The fittings are used up to the operating temperatures and maximum operating pressures as indicated in Annex A.
Press fittings are used with tubes with wall thicknesses greater than or equal to the wall thickness given in Annex B, to ensure that tubes can withstand the radial pressing forces involved.
This document applies to copper alloy fittings. A non-exhaustive list of these copper alloys is given in CEN/TS 13388.
Adaptor fittings for use with copper tubes may combine press ends with fitting ends defined in the other parts of EN 1254.
Press fittings for use with metallic tubes may also have flanged end connections according to EN 1092-3.
Press fittings for use with metallic tubes 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 or cold or combined hot and cold water, including systems 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;
- supply systems for points of consumption with liquid fuels according to EN 12514.
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.

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CEN

EN 1254-20:2021/prA1(Amendment)

Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information

SIST EN 1254-20:2021/oprA1:2024

This document contains definitions, thread dimension, reference data (minimum bore), supporting information (assembling instructions) and describes the test methods referenced by other parts of the EN 1254 series.
Thread dimensions comprise: wall thickness at threaded portions of fittings, dimensions of tail pipe ends for swivel fittings, dimensions of gas union connectors, thread dimensions and thread profile.
Test methods comprise: leak tightness under internal hydrostatic pressure, leak tightness under internal pneumatic pressure, integrity of fabricated fitting bodies or having an 'as cast' microstructure, resistance to pull out of joints to metallic tubes, resistance of joints with metallic tube to vibration, resistance of joints to static flexural force, leak tightness of joints under vacuum, the resistance of joints to temperature cycling, detecting non-pressed fitting ends, resistance to stress corrosion, detection of a carbon film on the surface of copper fittings, determination of mean depth of dezincification, resistance of joints to pressure cycling, disconnection and re-use, determining if the diameter and/or the length of engagement of a capillary end is/are within the specified tolerance, determining the minimum length of engagement of an integral solder or brazing ring socket having a formed groove.

Draft
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21-Jul-2026
23.040.40
CEN/TC 133

Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining other end connections with capillary or compression ends

Kupfer und Kupferlegierungen - Fittings - Teil 4: Fittings zum Verbinden anderer Ausführungen von Rohrenden mit Kapillarlötverbindungen oder Klemmverbindungen

Cuivre et alliages de cuivre - Raccords - Partie 4: Raccords combinant des assemblages par capillarité ou par compression à d'autres types d'assemblage

Baker in bakrove zlitine - Fitingi - 4. del: Fitingi, ki so na enem koncu prirejeni za kapilarno lotanje ali nakrčno zvezo, na drugem koncu pa za drugačno zvezo

General Information

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EN 1254-4:2000/AC:2002

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Standards Content (Sample)

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