EN 1254-8:2021
(Main)Copper and copper alloys - Plumbing fittings - Part 8: Press fittings for use with plastics and multilayer pipes
Copper and copper alloys - Plumbing fittings - Part 8: Press fittings for use with plastics and multilayer pipes
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.
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.
Kupfer und Kupferlegierungen - Fittings - Teil 8: Pressfittings für den Einsatz mit Kunststoff- und Mehrschichtverbundrohren
Dieses Dokument legt Produkteigenschaften, Bewertungsverfahren, Konformitätskriterien und ein Bezeichnungssystem für Radial- und Axial-Pressfittings für Kunststoff- und Mehrschichtverbundrohre fest. Die Fittingenden haben einen Größenbereich von 10 mm bis 160 mm. Die Fittings sind für eine Lebensdauer von bis zu fünfzig Jahren ausgelegt.
Dieses Dokument gilt für Fittings aus Kupferlegierungen. Eine nicht vollständige Liste dieser Kupferlegierungen ist in CEN/TS 13388 enthalten.
Übergangsfittings für Kunststoff- und Mehrschichtverbundrohre dürfen Pressenden mit in den anderen Teilen der EN 1254 definierten Fittingenden kombinieren.
Pressfittings für Kunststoff- und Mehrschichtverbundrohre dürfen auch Flanschendanschlüsse nach EN 1092-3 aufweisen.
Pressfittings für Kunststoff- und Mehrschichtverbundrohre dürfen auch galvanische oder andere dekorative Oberflächenüberzüge aufweisen.
Fittings können durch Bearbeiten, Metallumformen, Gießen oder Fertigen hergestellt werden.
Die unter diese Norm fallenden Produkte sind für den Einsatz bestimmt in:
a) Flüssigkeitsanwendungen:
- Warm-, Kalt- oder kombinierte Warm-/Kaltwassersysteme nach EN 806;
- geschlossene Heizsysteme nach EN 12828 und Kühlsysteme;
- Entwässerungssysteme;
- Sprinkleranlagen nach EN 12845;
b) Gasanwendungen:
- Erdgas- und Flüssiggasanlagen mit einem maximalen Betriebsdruck von weniger als oder gleich 5 bar nach EN 1775;
- Druckluftsysteme.
Cuivre et alliages de cuivre - Raccords - Partie 8 : Raccords à sertir pour tubes en matières plastiques et multicouches
Le présent document spécifie les caractéristiques de produit, les méthodes d'évaluation, les critères de
conformité des résultats d’essai et un système de désignation pour les raccords pour le sertissage radial
ou axial de tubes en plastique et multicouche. Les extrémités de raccords ont un diamètre nominal
compris entre 10 mm et 160 mm. Les raccords sont conçus pour une durée de vie en service supérieure
à 50 ans.
Le présent document s'applique aux raccords en alliage de cuivre. Une liste non exhaustive de ces alliages
de cuivre figure dans la CEN/TS 13388.
Les raccords adaptateurs utilisés avec des tubes en matières plastiques et multicouches peuvent
combiner des extrémités à sertir avec des extrémités de raccord définies dans les autres parties de
l’EN 1254.
Les raccords à sertir pour tubes en matières plastiques et multicouches peuvent également comporter
des raccordements à brides conformément à l’EN 1092-3.
Les raccords à sertir pour tubes en matières plastiques et multicouches peuvent également avoir une
surface plaquée ou un autre revêtement de surface décoratif.
Les raccords peuvent être fabriqués par usinage, formage des métaux, moulage ou mécanosoudage.
Les produits couverts par le présent document sont destinés à être utilisés dans :
a) les applications liquides :
- les systèmes d'eau chaude, d'eau froide ou d'eau chaude et d'eau froide combinées, y compris les
systèmes conformes à l’EN 806 ;
- les systèmes de chauffage fermés conformes à l'EN 12828 ;
- les systèmes de refroidissement ;
- les systèmes de purge ;
- les systèmes de protection contre l’incendie, y compris les systèmes d'extinction de type
sprinkleur conformes à l’EN 12845 ;
- les systèmes d'approvisionnement des points de consommation en combustibles liquides selon
l’EN 12514.
b) les applications de gaz :
- les systèmes fonctionnant au gaz naturel et des systèmes fonctionnant au gaz de pétrole liquéfiés
avec une pression maximale de service inférieure ou égale à 5 bar, conformément à l'EN 1775 ;
- les systèmes d’air comprimé.
Baker in bakrove zlitine - Fitingi - 8. del: Fitingi s stiskalnimi priključki za spajanje s plastičnimi in večplastnimi cevmi
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-julij-2021
Nadomešča:
SIST EN 1254-8:2014
Baker in bakrove zlitine - Fitingi - 8. del: Fitingi s stiskalnimi priključki za spajanje
s plastičnimi in večplastnimi cevmi
Copper and copper alloys - Plumbing fittings - Part 8: Press fittings for use with plastics
and multilayer pipes
Kupfer und Kupferlegierungen - Fittings - Teil 8: Pressfittings für den Einsatz mit
Kunststoff- und Mehrschichtverbundrohren
Cuivre et alliages de cuivre - Raccords - Partie 8 : Raccords à sertir pour tubes en
matières plastiques et multicouches
Ta slovenski standard je istoveten z: EN 1254-8:2021
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 1254-8
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2021
EUROPÄISCHE NORM
ICS 23.040.40 Supersedes EN 1254-8:2012
English Version
Copper and copper alloys - Plumbing fittings - Part 8: Press
fittings for use with plastics and multilayer pipes
Cuivre et alliages de cuivre - Raccords - Partie 8 : Kupfer und Kupferlegierungen - Fittings - Teil 8:
Raccords à sertir pour tubes en matières plastiques et Pressfittings für den Einsatz mit Kunststoff- und
multicouches Mehrschichtverbundrohren
This European Standard was approved by CEN on 23 November 2020.
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, Turkey 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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1254-8:2021 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
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 fittings with elastomeric seals (for heating
networks) . 10
4.4 Release of dangerous substances . 11
4.5 Durability . 11
4.6 Wall thickness at threaded portions of adaptor fittings . 12
4.7 Dimensions of tail pipe ends for swivel fittings . 12
4.8 Dimensions of gas union connectors . 12
4.9 Threaded end dimensions . 12
4.10 Other adapter ends (not defined in EN 1254-20:2021) . 12
4.11 Bore dimensions . 12
4.12 Identity of elastomeric sealing material for liquid applications . 12
4.13 Identity of elastomeric sealing material for gas applications . 13
4.14 Pipe abutment . 13
4.15 Alignment of the fitting ends . 13
4.16 Shapes for tightening systems . 13
4.17 Surface condition . 13
4.18 Plated or coated surfaces . 13
4.19 Internal support . 13
5 Testing, assessment and sampling methods . 13
5.1 General . 13
5.2 Internal pressure . 14
5.3 Tightness . 15
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 Dimensions of gas union connectors . 20
5.8 Threaded end dimensions . 20
5.9 Bore dimensions . 20
5.10 Identity of elastomeric sealing material for liquid applications . 20
5.11 Identity of elastomeric sealing material for gas applications . 20
5.12 Alignment of the fitting ends . 20
6 Evaluation of conformity . 20
6.1 General . 20
6.2 Type testing . 21
6.3 Factory production control (FPC) . 26
7 Designation. 30
8 Marking, labelling and packaging . 30
8.1 General . 30
8.2 Additional marking . 30
8.3 Dezincification resistant copper zinc alloys . 31
Bibliography . 32
European foreword
This document (EN 1254-8:2021) 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 November 2021, and conflicting national standards
shall be withdrawn at the latest by November 2021.
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 supersedes EN 1254-8:2012.
The main changes compared to EN 1254-8:2012 are:
— improved alignment with plastics and multilayer pipe standards for hot and cold water
applications;
— separation of test methods into part 20.
This part of the standard (EN 1254-8) should be read in conjunction with EN 1254-20:2021.
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 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.
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 operat
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