SIST EN 1680:2025

SLOVENSKI STANDARD
01-maj-2025
Cevni sistemi iz polimernih materialov - Ventili za cevne sisteme iz polietilena (PE)
- Metoda za preskus neprepustnosti med upogibanjem zaradi uporabe zapiralnih
mehanizmov in po njem
Plastics piping systems - Valves for polyethylene (PE) piping systems - Test method for
leaktightness under and after bending applied to the operating mechanisms
Kunststoff-Rohrleitungssysteme - Armaturen für Systeme aus Polyethylen (PE) -
Prüfverfahren für die Dichtheit während und nach der Aufbringung eines Biegemoments
auf den Betätigungsmechanismus
Systèmes de canalisations en plastique - Robinets pour les systèmes de canalisations
en polyéthylène (PE) - Méthode d'essai d'étanchéité sous et après une flexion appliquée
au mécanisme d'entraînement
Ta slovenski standard je istoveten z: EN 1680:2025
ICS:
23.060.01 Ventili na splošno Valves in general
83.140.30 Polimerne cevi in fitingi za Plastics pipes and fittings for
snovi, ki niso tekočine non fluid use
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 1680
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2025
EUROPÄISCHE NORM
ICS 23.060.01 Supersedes EN 1680:1997
English Version
Plastics piping systems - Valves for polyethylene (PE)
piping systems - Test method for leaktightness under and
after bending applied to the operating mechanisms
Systèmes de canalisations en plastique - Robinets pour Kunststoff-Rohrleitungssysteme - Armaturen für
les systèmes de canalisations en polyéthylène (PE) - Rohrleitungssysteme aus Polyethylen (PE) -
Méthode d'essai d'étanchéité sous et après une flexion Prüfverfahren für die Dichtheit während und nach der
appliquée au mécanisme d'entraînement Aufbringung eines Biegemoments auf das
Betätigungsorgan
This European Standard was approved by CEN on 27 January 2025.

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 1680:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Principle . 5
5 Apparatus . 5
5.1 Temperature-controlled tank . 5
5.2 Test frame. 5
5.3 Ancillary equipment . 6
6 Test pieces . 7
6.1 Sampling . 7
6.2 Preparation of test pieces . 7
6.3 Number of test pieces. 7
7 Procedure . 7
7.1 Test procedure and arrangements . 7
7.2 Application of bending force. 8
7.3 Leaktightness tests . 8
8 Test report . 8
Bibliography . 10

European foreword
This document (EN 1680:2025) has been prepared by Technical Committee CEN/TC 155“Plastics piping
systems and ducting systems”, the secretariat of which is held by NEN.
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 September 2025, and conflicting national standards shall
be withdrawn at the latest by September 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 supersedes EN 1680:1997.
— the title and scope of application have been extended to include use in pipework systems for the
transport of liquids;
— Clause 2 “Normative references” have been updated to the use in the clauses of the text;
— Clause 3 “Terms and definitions” added and numbering of the following sections adapted
accordingly;
— Clause 4 “Brief description” has been adapted in accordance with the amended scope;
— Clause 5 “Apparatus” has been adapted in accordance with the test frame used;
— updated the specification of the test group under consideration in 6.2 “Preparation of test
assemblies”;
— in Clause 7 “Procedure” has been added Table 1 — “Test procedure” with the list of the corresponding
steps to be done;
— 7.2 “Application of the bending force” has been added.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
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, Slov
...