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EN 1254-6:2021/prA1

(Amendment)

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

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

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:
- 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:
- 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.

Kupfer und Kupferlegierungen - Fittings - Teil 6: Einsteckfittings für den Einsatz mit Metall-, Kunststoff- und Mehrschichtverbundrohren

Cuivre et alliages de cuivre - Raccords - Partie 6 : Raccords instantanés pour tubes métalliques, en matières plastiques et multicouches

Baker in bakrove zlitine - Fitingi - 6. del: Fitingi s priključki "push-fit" za spajanje s kovinskimi, plastičnimi in večplastnimi cevmi - Dopolnino A1

General Information

Status
Not Published
Publication Date
21-Jul-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
4060 - Closure of enquiry - Enquiry
Start Date
10-Oct-2024
Due Date
28-May-2025
Completion Date
10-Oct-2024
Ref Project
SIST EN 1254-6:2021/oprA1:2024 - Copper and copper alloys - Plumbing fittings - Part 6: Push-fit fittings for use with metallic tubes, plastics and multilayer pipes

Relations

Amends
EN 1254-6:2021 - Copper and copper alloys - Plumbing fittings - Part 6: Push-fit fittings for use with metallic tubes, plastics and multilayer pipes
Effective Date
17-Apr-2024

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EN 1254-6:2021/oprA1:2024EN 1254-6:2021/oprA1:2024
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SLOVENSKI STANDARD
01-september-2024
Baker in bakrove zlitine - Fitingi - 6. del: Fitingi s priključki "push-fit" za spajanje s
kovinskimi, plastičnimi in večplastnimi cevmi - Dopolnino A1
Copper and copper alloys - Plumbing fittings - Part 6: Push-fit fittings for use with metallic
tubes, plastics and multilayer pipes
Kupfer und Kupferlegierungen - Fittings - Teil 6: Einsteckfittings für den Einsatz mit
Metall-, Kunststoff- und Mehrschichtverbundrohren
Cuivre et alliages de cuivre - Raccords - Partie 6 : Raccords instantanés pour tubes
métalliques, en matières plastiques et multicouches
Ta slovenski standard je istoveten z: EN 1254-6:2021/prA1
ICS:
23.040.40 Kovinski fitingi Metal fittings
77.150.30 Bakreni izdelki Copper products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
EN 1254-6:2021
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
July 2024
ICS 23.040.40
English Version
Copper and copper alloys - Plumbing fittings - Part 6:
Push-fit fittings for use with metallic tubes, plastics and
multilayer pipes
Cuivre et alliages de cuivre - Raccords - Partie 6 : Kupfer und Kupferlegierungen - Fittings - Teil 6:
Raccords instantanés pour tubes métalliques, en Einsteckfittings für den Einsatz mit Metall-, Kunststoff-
matières plastiques et multicouches und Mehrschichtverbundrohren
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 133.

This draft amendment A1, if approved, will modify the European Standard EN 1254-6:2021. If this draft becomes an amendment,
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant national standard without any alteration.

This draft amendment was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1254-6:2021/prA1:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Modification to Clause 1 “Scope” . 4
2 Modification to Clause 4 “Product characteristics” . 4
3 Modification to Clause 5 “Testing, assessment and sampling methods” . 5
4 Modification to Clause 6 “Evaluation of conformity” . 5
...

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EN 1254-20:2021(Main)
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SIST EN 1254-20:2021

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.

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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.
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b) drainage systems:
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- supply systems for points of consumption with liquid fuels according to EN 12514.
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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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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.

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