EN ISO 13968:2008

SLOVENSKI STANDARD
01-januar-2009
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SIST EN 1446:1997
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Plastics piping and ducting systems - Thermoplastics pipes - Determination of ring
flexibility (ISO 13968:2008)
Kunststoff-Rohrleitungs- und Schutzrohrsysteme - Rohre aus Thermoplasten -
Bestimmung der Ringflexibilität (ISO 13968:2008)
Systemes de canalisations et de gaines en matieres plastiques - Tubes en matieres
thermoplastiques - Détermination de la flexibilité annulaire (ISO 13968:2008)
Ta slovenski standard je istoveten z: EN ISO 13968:2008
ICS:
23.040.20 Cevi iz polimernih materialov Plastics pipes
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN ISO 13968
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2008
ICS 23.040.20 Supersedes EN 1446:1996
English Version
Plastics piping and ducting systems - Thermoplastics pipes -
Determination of ring flexibility (ISO 13968:2008)
Systèmes de canalisations et de gaines en matières Kunststoff-Rohrleitungs- und Schutzrohrsysteme - Rohre
plastiques - Tubes en matières thermoplastiques - aus Thermoplasten - Bestimmung der Ringflexibilität (ISO
Détermination de la flexibilité annulaire (ISO 13968:2008) 13968:2008)
This European Standard was approved by CEN on 14 October 2008.
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 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 Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
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Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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EUROPÄISCHES KOMITEE FÜR NORMUNG
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© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 13968:2008: E
worldwide for CEN national Members.

Contents Page
Foreword.3

Foreword
This document (EN ISO 13968:2008) has been prepared by Technical Committee ISO/TC 138 "Plastics pipes,
fittings and valves for the transport of fluids" in collaboration with 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 April 2009, and conflicting national standards shall be withdrawn at the
latest by April 2009.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 1446:1996.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 13968:2008 has been approved by CEN as a EN ISO 13968:2008 without any modification.

INTERNATIONAL ISO
STANDARD 13968
Second edition
2008-10-15
Plastics piping and ducting systems —
Thermoplastics pipes — Determination of
ring flexibility
Systèmes de canalisations et de gaines en matières plastiques —
Tubes en matières thermoplastiques — Détermination de la flexibilité
annulaire
Reference number
ISO 13968:2008(E)
©
ISO 2008
ISO 13968:2008(E)
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ISO 13968:2008(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work
...