SIST 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
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 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.
Kupfer und Kupferlegierungen - Fittings - Teil 6: Einsteckfittings für den Einsatz mit Metall-, Kunststoff- und Mehrschichtverbundrohren
Dieses Dokument legt Produkteigenschaften, Bewertungsverfahren, Übereinstimmungskriterien der Prüfergebnisse und ein Bezeichnungssystem für Einsteckfittings zum Verbinden von Kupferrohren, Rohren aus galvanisch beschichtetem Kupfer, Kunststoff- und Mehrschichtverbundrohren fest. Die Fittingenden haben einen Nenndurchmesser von 6 mm bis 63 mm. Die Fittings sind für eine Lebensdauer von bis zu fünfzig Jahren ausgelegt.
Dieses Dokument ist anwendbar für Einsteckfittings zum Verbinden eines oder mehrerer der folgenden Rohre:
- Kupferrohre nach EN 1057;
- Kunststoff- und Mehrschichtverbundrohre.
Die Fittings werden bis zu den in Anhang A angegebenen Betriebstemperaturen und entsprechenden maximalen Betriebsdrücken eingesetzt.
Dieses Dokument ist anwendbar für Fittings aus Kupferlegierungen. Eine nicht vollständige Liste dieser Kupferlegierungen ist in CEN/TS 13388 enthalten.
Übergangsfittings können Einsteckenden mit in den anderen Teilen der EN 1254 festgelegten Fittingenden kombinieren.
Einsteckfittings für Metallrohre können auch Flanschendanschlüsse nach EN 1092 3 aufweisen.
Einsteckfittings können auch galvanische oder andere dekorative Oberflächenüberzüge aufweisen.
Fittings können durch maschinelles Bearbeiten, Umformen, Gießen oder Fügen von Vormaterial hergestellt werden.
Die unter dieses Dokument fallenden Produkte sind für den Einsatz in Flüssigkeitsanwendungen bestimmt:
- warmes, kaltes oder kombiniertes Warm- und Kaltwasser, einschließlich Systeme nach EN 806;
- geschlossene Heizungsanlagen nach EN 12828;
- Kühlsysteme;
- Entwässerungssysteme;
- Brandbekämpfungsanlagen einschließlich Sprinkleranlagen nach EN 12845.
Cuivre et alliages de cuivre - Raccords - Partie 6 : Raccords instantanés pour tubes métalliques, en matières plastiques et multicouches
Le présent document spécifie les caractéristiques des produits, les méthodes d'évaluation, les critères de conformité des résultats d'essais et un système de désignation pour les raccords instantanés pour l'assemblage de tubes en cuivre, en cuivre plaqué, de tubes multicouches et de tubes en matières plastiques. Les extrémités des raccords ont un diamètre nominal compris entre 6 mm et 63 mm. Les raccords sont conçus pour une durée de vie en service allant jusqu'à cinquante ans.
Le présent document s'applique aux raccords instantanés destinés à assembler un ou plusieurs des tubes suivants :
- tubes en cuivre selon l'EN 1057 ;
- tubes en matières plastiques et multicouches.
Les raccords sont utilisés jusqu'aux températures de service et aux pressions maximales de service correspondantes indiquées à l'Annexe A.
Le présent document s'applique aux raccords en alliage de cuivre. Une liste non exhaustive de ces alliages de cuivre est donnée dans le document CEN/TS 13388.
Les raccords adaptateurs peuvent combiner des extrémités instantanées avec des extrémités définies dans les autres parties de l'EN 1254.
Les raccords instantanés pour tubes métalliques peuvent également comporter des raccordements à brides conformément à l'EN 1092-3.
Les raccords instantanés peuvent également avoir un revêtement de surface plaqué ou autre revêtement décoratif.
Les raccords peuvent être fabriqués par usinage, formage du métal, moulage ou mécanosoudage.
Les produits couverts par le présent document sont destinés à être utilisés dans des applications liquides :
- les systèmes d'eau chaude, d'eau froide ou les systèmes d'eau chaude et froide combinées, y compris les systèmes conformes à la série EN 806 ;
- les systèmes de chauffage fermés conformément à l'EN 12828 ;
- les systèmes de refroidissement ;
- les systèmes de purge ;
- les systèmes de protection contre les incendies, y compris les systèmes d'extinction automatique conformément à la norme EN 12845.
Baker in bakrove zlitine - Fitingi - 6. del: Fitingi s priključki "push-fit" za spajanje s kovinskimi, plastičnimi in večplastnimi cevmi (vključno z dopolnilom A1)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2025
Baker in bakrove zlitine - Fitingi - 6. del: Fitingi s priključki "push-fit" za spajanje s
kovinskimi, plastičnimi in večplastnimi cevmi (vključno z dopolnilom 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+A1:2025
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.
EN 1254-6:2021+A1
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2025
EUROPÄISCHE NORM
ICS 23.040.40 Supersedes EN 1254-6:2021
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 European Standard was approved by CEN on 23 November 2020 and includes Amendment 1 approved by CEN on 5
December 2024.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1254-6:2021+A1:2025 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
Introduction . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 9
4 Product characteristics . 9
4.1 Internal pressure . 9
4.2 Tightness . 9
4.3 Resistance to high temperature (for heating networks) . 10
4.4 Release of dangerous substances . 10
4.5 Durability . 11
4.6 Wall thickness at threaded portions of adaptor fittings . 11
4.7 Dimensions of tail pipe ends for swivel fittings . 11
4.8 Threaded end dimensions . 12
4.9 Other adapter ends (not defined in !EN 1254-20:2021+A1:2025)" . 12
4.10 Bore dimensions . 12
4.11 Identity of elastomeric sealing material . 12
4.12 Tube / pipe abutment . 12
4.13 Alignment of the fitting ends . 12
4.14 Shapes for tightening systems . 13
4.15 Surface condition . 13
4.16 Disconnection and re-use (for fittings capable of being disconnected) . 13
4.17 Plated or coated surfaces . 13
4.18 !Wall thickness of the fitting body . 13
5 Testing, assessment and sampling methods . 13
5.1 General . 13
5.2 Internal hydrostatic pressure test . 14
5.3 Tightness . 14
5.4 Durability . 18
5.5 Wall thickness at threaded portions of adaptor fittings . 19
5.6 Dimensions of tail pipe ends for swivel fittings . 19
5.7 Threaded end dimensions . 19
5.8 Bore dimensions . 19
5.9 Identity of elastomeric sealing material for liquid applications . 19
5.10 Alignment of the fitting ends . 19
5.11 Disconnection and re-use (for fittings capable of being disconnected) . 20
5.12 !Wall thickness of the fitting body . 20
6 Evaluation of conformity . 20
6.1 General . 20
6.2 Type testing . 20
6.3 Test reports . 23
6.4 Factory production control (FPC) . 23
7 Designation. 26
8 Marking, labelling and packaging . 26
8.1 General . 26
8.2 Dezincification resistant copper zinc alloys . 26
Annex A (normative) Operating temperatures and design pressures . 27
Bibliography . 29
European foreword
This document (EN 1254-6:2021+A1:2025) has been prepared by Technical Committee CEN/TC 133
“Copper and copper alloys”, the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by August 2025, and conflicting national standards shall be
withdrawn at the latest by August 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document includes Amendment 1 approved by CEN on 5 December 2024.
This document supersedes !EN 1254-6:2021".
The start and finish of text introduced or altered by amendment is indicated in the text by tags !".
The main changes to EN 1254-6:2012 are:
— improved alignment with plastic and multilayer pipe standards for hot and cold water applicartions;
— separation of test methods into part 20.
!The need for an amendment was based on the following points:
— Extend the scope to 63 mm fittings and add a reference to plastics and multilayer pipes.
— Include a wall thickness requirement for copper alloy fittings used in systems according to
EN ISO 15874, EN ISO 15875, EN ISO 15876, EN ISO 15877, EN ISO 21003 and EN ISO 22391."
This part of the standard (EN 1254-6) should be read in conjunction with !EN 1254-
20:2021+A1:2025".
EN 1254 comprises the following parts under the general title “Copper and copper alloys — Plumbing
fittings”:
— Part 1: Capillary fittings for soldering or brazing to copper tubes
— Part 2: Compression fittings for use with copper tubes
— Part 3: Compression fittings for use with plastics and multilayer pipes
— Part 4: Threaded fittings
— Part 5: Capillary fittings with short ends for brazing to copper tubes
— Part 6: Push-fit fittings for use with metallic tubes, plastics and multilayer pipes
— Part 7: Press fittings for use with metallic tubes
— Part 8: Press fittings for use with plastics and multilayer pipes
— Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: 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, Turkey and the United
Kingdom.
Introduction
Products complying with this document may be used for several fluids including the transport of water
intended for human consumption if they comply with the relevant national, regional or local regulatory
provisions applicable in the place of use.
1 Scope
!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
...
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