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EN 13941:2009/FprA1

(Amendment)

Design and installation of preinsulated bonded pipe systems for district heating

Design and installation of preinsulated bonded pipe systems for district heating

This European Standard specifies rules for design, calculation and installation for preinsulated bonded pipe systems for buried hot water distribution and transmission networks (cf. figure 2) with pipe assemblies in accordance with EN 253, for continuous operation with hot water at various temperatures up to 120ºC and occasionally with peak temperatures up to 140ºC and maximum internal pressure 25 bar (overpressure).
Application rule:
For larger pipe dimensions and pressures below 25 bar wall thickness bigger than specified in EN 253 can be required for straight pipes, bends and tees.
The principles of the standard can be applied to preinsulated pipe systems with pressures higher than 25 bar, provided that special attention is paid to the effects of pressure. Adjacent pipes belonging to the network (e.g. pipes in ducts, valve chambers, road crossings above ground etc.) can be designed and installed according to this standard.
The standard assumes use of treated water, which by softening, demineralisation, deaeration, adding of chemicals, or otherwise has been treated to prevent internal corrosion and deposits in the pipes.
This standard is not applicable for such units as:
a) pumps,
b) exchangers,
c) boiler installations, tank installations,
d) consumer installations.
However, the full functional ability and durability of such units should be ensured in consideration of the impacts from the district heating system and other impacts occurring from the conditions under which they have been installed.
Guidelines for product quality inspection and in situ tests of joints are given in Annex A of EN 448:2009, Annex D of EN 253:2009, Annex A of EN 488:2009 and Annex B of EN 489:2009.
Guidelines for welding of polyethylene casing are given in Annex B of EN 448:2009.
The estimation of expected life with continuous operation at various temperatures is outlined in Annex B of EN 253:2009.

Auslegung und Installation von werkmäßig gedämmten Verbundmantelrohren für die Fernwärme

Conception et installation des systèmes bloqués de tuyaux préisolés pour les réseaux enterrés d'eau chaude

Načrtovanje in vgradnja izoliranih vezanih cevnih sistemov za daljinsko ogrevanje

General Information

Status
Not Published
ICS
23.040.10 - Iron and steel pipes
91.140.10 - Central heating systems
Technical Committee
CEN/TC 107 - Pre-fabricated district heating pipe systems
Drafting Committee
CEN/TC 107 - Pre-fabricated district heating pipe systems
Current Stage
5060 - Closure of Vote - Formal Approval
Start Date
14-Apr-2010
Due Date
24-Apr-2011
Completion Date
14-Apr-2010
Ref Project
SIST EN 13941:2009/kFprA1:2010 - Design and installation of preinsulated bonded pipe systems for district heating

Relations

Merged Into
EN 13941:2009+A1:2010 - Design and installation of preinsulated bonded pipe systems for district heating
Effective Date
19-Jan-2023
Amends
EN 13941:2009 - Design and installation of preinsulated bonded pipe systems for district heating
Effective Date
17-Oct-2009

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Standards Content (Sample)


SLOVENSKI STANDARD
01-marec-2010
1DþUWRYDQMHLQYJUDGQMDL]ROLUDQLKYH]DQLKFHYQLKVLVWHPRY]DGDOMLQVNRRJUHYDQMH
Design and installation of preinsulated bonded pipe systems for district heating
Auslegung und Installation von werkmäßig gedämmten Verbundmantelrohren für die
Fernwärme
Conception et installation des systèmes bloqués de tuyaux préisolés pour les réseaux
enterrés d'eau chaude
Ta slovenski standard je istoveten z: EN 13941:2009/FprA1
ICS:
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
FINAL DRAFT
EN 13941:2009
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
January 2010
ICS 23.040.10; 91.140.10
English Version
Design and installation of preinsulated bonded pipe systems for
district heating
Conception et installation des systèmes bloqués de tuyaux Auslegung und Installation von werkmäßig gedämmten
préisolés pour les réseaux enterrés d'eau chaude Verbundmantelrohren für die Fernwärme
This draft amendment is submitted to CEN members for unique acceptance procedure. It has been drawn up by the Technical Committee
CEN/TC 107.
This draft amendment A1, if approved, will modify the European Standard EN 13941:2009. 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 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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

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

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13941:2009/FprA1:2010: E
worldwide for CEN national Members.

Contents Page
Foreword .3
1 Modifications to 5.1 .4
2 Modification to 5.2.2 .4
3 Modification to 5.2.3.3 .4
4 Modification to 5.2.6 .4
5 Modification to 6.4.4.1 .4
6 Modification to 6.4.6 .4
7 Modification
...

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The standard EN 13941, Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks consists of two parts:
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The requirements and stipulations in this part: EN 13941-1, form an unbreakable unity with those of prEN 13941-2. This part shall therefore exclusively be used in combination with prEN 13941-2.
The principles of the standard may be applied to thermal insulated pipe systems with pressures higher than 2,5 MPa, provided that special attention is paid to the effects of pressure.
Adjacent pipes, not buried, but belonging to the network (e. g. pipes in ducts, valve chambers, road crossings above ground etc.) may be designed and installed according to this standard.
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