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SIST EN 253:2009+A1:2014/oprA2:2014
01-februar-2014
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District heating pipes - Preinsulated bonded pipe systems for directly buried hot water
networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and
outer casing of polyethylene
Fernwärmerohre - Werkmäßig gedämmte Verbundmantelrohrsysteme für direkt
erdverlegte Fernwärmenetze - Verbund-Rohrsystem bestehend aus Stahl-Mediumrohr,
Polyurethan-Wärmedämmung und Außenmantel aus Polyethylen
Tuyaux de chauffage urbain - Systèmes bloqués de tuyaux préisolés pour les réseaux
d'eau chaude enterrés directement - Tube de service en acier, isolation thermique en
polyuréthane et protection en polyéthylène
Ta slovenski standard je istoveten z: EN 253:2009+A1:2013/prA2
ICS:
23.040.10 Železne in jeklene cevi Iron and steel pipes
91.140.65 Oprema za ogrevanje vode Water heating equipment
SIST EN 253:2009+A1:2014/oprA2:2014 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 253:2009+A1:2014/oprA2:2014
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SIST EN 253:2009+A1:2014/oprA2:2014
EUROPEAN STANDARD
DRAFT
EN 253:2009+A1:2013
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA2
December 2013
ICS 23.040.10
English Version
District heating pipes - Preinsulated bonded pipe systems for
directly buried hot water networks - Pipe assembly of steel
service pipe, polyurethane thermal insulation and outer casing of
polyethylene
Tuyaux de chauffage urbain - Systèmes bloqués de tuyaux Fernwärmerohre - Werkmäßig gedämmte
préisolés pour les réseaux d'eau chaude enterrés Verbundmantelrohrsysteme für direkt erdverlegte
directement - Tube de service en acier, isolation thermique Fernwärmenetze - Verbund-Rohrsystem bestehend aus
en polyuréthane et protection en polyéthylène Stahl-Mediumrohr, Polyurethan-Wärmedämmung und
Außenmantel aus Polyethylen
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 107.
This draft amendment A2, if approved, will modify the European Standard EN 253:2009+A1:2013. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey 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: Avenue Marnix 17, B-1000 Brussels
© 2013 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 253:2009+A1:2013/prA2:2013 E
worldwide for CEN national Members.
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SIST EN 253:2009+A1:2014/oprA2:2014
EN 253:2009+A1:2013/prA2:2013 (E)
Contents Page
Foreword .3
Introduction .4
1 Changes to clause 4.2, Steel service pipes .5
4.2.1 Specification .5
2 Changes to sub-clause 4.4, Polyurethane rigid foam insulation (PUR) .5
4.4.2 Cell structure .
...