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SLOVENSKI STANDARD
01-julij-2022
Nadomešča:
SIST EN 15632-1:2009+A1:2015
Cevi za daljinsko ogrevanje - Tovarniško izdelani gibki cevni sistemi - 1. del:
Klasifikacija, splošne zahteve in preskusne metode
District heating pipes - Pre-insulated flexible pipe systems - Part 1: Classification,
general requirements and test methods
Fernwärmerohre - Werkmäßig gedämmte flexible Rohrsysteme - Teil 1: Klassifikation,
allgemeine Anforderungen und Prüfungen
Tuyaux de chauffage urbain - Systèmes de tuyaux flexibles manufacturés - Partie 1 :
Classification, exigences générales et méthodes d'essai
Ta slovenski standard je istoveten z: EN 15632-1:2022
ICS:
23.040.07 Cevovodi za daljinsko Pipeline and its parts for
ogrevanje in njihovi deli district heat
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 15632-1
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2022
EUROPÄISCHE NORM
ICS 23.040.07 Supersedes EN 15632-1:2009+A1:2014
English Version
District heating pipes - Factory made flexible pipe systems
- Part 1: Classification, general requirements and test
methods
Tuyaux de chauffage urbain - Systèmes de tuyaux Fernwärmerohre - Werkmäßig gedämmte flexible
flexibles manufacturés - Partie 1 : Classification, Rohrsysteme - Teil 1: Klassifikation, allgemeine
exigences générales et méthodes d'essai Anforderungen und Prüfungen
This European Standard was approved by CEN on 27 March 2022.
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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 15632-1:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions and symbols . 7
3.1 Terms and definitions . 7
3.2 Symbols, indices and abbreviations . 7
4 Classification . 11
5 Design requirements . 11
5.1 Thermal insulation properties . 11
5.2 Bending test . 12
5.2.1 Flexibility . 12
5.2.2 Ovality . 12
5.2.3 Cracks . 12
5.3 Resistance to external load. 12
5.3.1 Ring stiffness . 12
5.3.2 Impact resistance . 12
5.4 Thermal insulation . 12
5.4.1 Compressive creep. 12
5.4.2 Water absorption at elevated temperatures . 12
5.4.3 Density of thermal insulation . 13
5.5 Casing . 13
5.5.1 UV stability . 13
5.5.2 Thermal stability of the material . 13
5.5.3 Stress crack resistance of the material . 13
5.5.4 Use of rework material . 13
5.6 Surveillance systems . 14
6 Test methods . 14
6.1 General . 14
6.2 Bending test . 14
6.2.1 Flexibility . 14
6.2.2 Ovality test . 16
6.2.3 Cracks in the thermal insulation . 16
6.3 Compressive creep. 17
6.3.1 General . 17
6.3.2 Principles of testing . 17
6.3.3 Test apparatus. 17
6.3.4 Test specimen . 19
6.3.5 Test procedure . 19
6.3.6 Test force and expression of results . 20
7 Marking . 21
7.1 General marking aspects . 21
7.2 Minimum marking information . 21
8 Manufacturer's information . 22
Annex A (normative) Thermal conductivity of factory made pipes – Test procedure . 23
A.1 General . 23
A.2 Requirements . 23
A.2.1 Test specimen . 23
A.2.2 Operating temperature . 23
A.2.3 Types of apparatus . 23
A.3 Apparatus . 23
A.3.1 Guarded end apparatus . 23
A.3.2 Calibrated end apparatus . 23
A.3.3 Dimensions . 24
A.3.4 Heater pipe surface temperature . 24
A.4 Test specimen . 24
A.4.1 Conditioning . 24
A.4.2 Surface temperature measurement . 24
A.4.3 Location of temperature sensors . 24
A.5 Procedure . 24
A.5.1 Test length . 24
A.5.2 Diameter and dimension measurement. 24
A.5.3 Thickness of casing . 26
A.5.4 Ambient requirements . 26
A.5.5 Test pipe temperature . 26
A.5.6 Power supply . 26
A.5.7 Axial heat loss . 27
A.5.8 Test period and stability . 27
A.6 Calculations - Thermal conductivity . 27
Annex B (informative) Determination of design values for the radial thermal resistance . 29
Annex C (informative) Guideline for testing . 30
Bibliography .
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