EN 17414-2:2020

SLOVENSKI STANDARD
01-oktober-2020
Cevi za daljinsko hlajenje - Tovarniško izdelani gibki cevni sistemi - 2. del: Vezani
sistem z delovnimi cevmi iz polimernih materialov - Zahteve in preskusne metode
District cooling pipes - Factory made flexible pipe systems - Part 2: Bonded system with
plastic service pipes - Requirements and test methods
Fernkühlungsrohre - Werkmäßig gedämmte flexible Rohrsysteme - Teil 2:
Verbundrohrsysteme mit Mediumrohren aus Kunststoff - Anforderungen und Prüfungen
Réseaux d’eau glacée - Systèmes de tuyaux flexibles manufacturés - Partie 2 : Système
bloqué avec tube de service en plastique - Prescriptions et méthodes d’essai
Ta slovenski standard je istoveten z: EN 17414-2:2020
ICS:
23.040.99 Drugi sestavni deli za Other pipeline components
cevovode
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 17414-2
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2020
EUROPÄISCHE NORM
ICS 23.040.99
English Version
District cooling pipes - Factory made flexible pipe systems
- Part 2: Bonded system with plastic service pipes;
requirements and test methods
Réseaux d'eau glacée - Systèmes de tuyaux flexibles Fernkälterohre - Werkmäßig gefertigte flexible
manufacturés - Partie 2 : Système bloqué avec tube de Rohrsysteme - Teil 2: Verbundrohrsysteme mit
service en plastique - Prescriptions et méthodes d'essai Mediumrohren aus Kunststoff - Anforderungen und
Prüfungen
This European Standard was approved by CEN on 22 June 2020.

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
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 17414-2:2020 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 7
4 Classification. 7
4.1 Operating temperatures and service life . 7
4.2 Design pressures . 7
5 Requirements . 8
5.1 General requirements . 8
5.2 Service pipes, fittings and their connections . 8
5.3 Axial shear strength of pipe assemblies . 8
5.4 Linear water tightness of pipe assemblies . 8
5.5 Water vapour permeation of pipe assemblies . 8
6 Test procedures . 9
6.1 General. 9
6.2 Axial shear strength of pipe assemblies . 9
6.3 Linear water tightness of pipe assemblies . 10
Annex A (informative) Application of Miner's Rule . 12
Annex B (informative) Guidelines for testing . 15
Annex C (informative) Waste treatment and recycling . 17
Bibliography . 18

European foreword
This document (EN 17414-2:2020) has been prepared by Technical Committee CEN/TC 107
“Prefabricated district heating and district cooling pipe system”, the secretariat of which is held by DS.
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 January 2021, and conflicting national standards shall
be withdrawn at the latest by January 2021.
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.
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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Introduction
Factory made flexible bonded pipe systems with plastic service pipes for directly buried district cooling
networks are of common technical usage. In order to ensure quality including product-related service
life, to ensure safety in use, economical energy usage and to facilitate comparability in the market,
CEN/TC 107 decided to set up standards for these products.
This document is one of a series of standards which form several parts of EN 17414, District cooling
pipes – Factory made flexible pipe systems:
— Part 1: Classification, general requirements and test methods;
1)
— Part 2: Bonded system with plastic service pipes - Requirements and test methods (this document) ;
— Part 3: Non bonded system with plastic service pipes - Requirements and test methods.
The other standards from CEN/TC 107 covering this subject are:
— EN 17415-1, District cooling pipes - Bonded single pipe systems for directly buried cold water
networks - Part 1: Factory made pipe assembly of steel or plastic service pipe, polyurethane thermal
insulation and a casing of polyethylene;
— EN 17415-2, District cooling pipes – Bonded single pipe systems for directly buried cold water
networks Part 2: Factory made fitting assemblies of steel or plastic service pipe, polyurethane thermal
insulation and a casing of polyethylene ;
— EN 17415-3, District cooling pipes – Bonded single pipe systems for directly buried cold water
networks Part 3: Factory made steel valve assembly for steel or plastic service pipe, polyurethane
thermal insulation and a casing of polyethylene ;
— EN ZZZZZ-1, District cooling pipes – Design and installation of thermal insulated bonded single and
twin pipe systems for directly buried cold water networks – Part 1: Design ;
— EN ZZZZZ-2, District cooling pipes – Design and installation of thermal insulated bonded single and
twin pipe systems for directly buried cold water networks – Part 2: Installation ;
— EN 489-1, District heating pipes - Bonded single and twin pipe systems for buried hot water networks
- Part 1: Joint casing assemblies and thermal insulation for hot water networks in accordance with
EN 13941-1;
— EN 14419, District heating pipes – Bonded single and twin pipe systems for directly buried hot water
networks – Surveillance systems;
Waste management and recycling of materials is dealt with in Annex C.

Under preparation.
1 Scope
This document specifies requirements and test methods for factory made thermally insulated bonded
flexible pipe-in-pipe assemblies for directly buried district cooling distribution systems, comprising a
service pipe and a casing of polyethylene. The pipe assembly can also include the following additional
elements: measuring wires, spacers and diffusion barriers.
This document is intended to be used in conjunction with EN 17414-1.
This document applies only to insulated pipe assemblies, for continuous operation with water at
various temperatures (1 to 30) °C and a maximum operation pressure of 25 bar dependent on material
specified.
The design is based on an expected service life with continuous operation of a minimum 50 years.
This document does not cover surveillance systems.
In conjunction with the other parts of EN 17414, this document is applicable to pipes, fittings, their
joints and to joints with components made of non-plastics materials intended to be used for district
cooling installations.
NOTE For the transport of other liquids, for example potable water, additional requirements could be
applicable.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 12201-1, Plastics piping systems for water supply, and for drainage and sewerage under pressure -
Polyethylene (PE) - Part 1: General
EN 12201-2, Plastics piping systems for water supply, and for drainage and sewerage under pressure -
Polyethylene (PE) - Part 2: Pipes
EN 12201-3, Plastics piping systems for water supply, and for drainage and sewerage under pressure -
Polyethylene (PE) - Part 3: Fittings
EN 12201-5, Plastics piping systems for water supply, and for drainage and sewerage under pressure -
Polyethylene (PE) - Part 5: Fitness for purpose of the system
EN 17414-1, District cooling pipes - Factory made flexible pipe systems - Part 1: Classification, general
requirements and test methods
EN ISO 15874-1, Plastics piping systems for hot and cold water installations - Polypropylene (PP) - Part 1:
General (ISO 15874-1)
EN ISO 15874-2, Plastics piping systems for hot and cold water installations - Polypropylene (PP) - Part 2:
Pipes (ISO 15874-2)
EN ISO 15874-3, Plastics piping systems for hot and cold water installations - Polypropylene (PP) - Part 3:
Fittings (ISO 15874-3)
EN ISO 15874-5, Plastics piping systems for hot and cold water installations - Polypropylene (PP) - Part 5:
Fitness for purpose of the system (ISO 15874-5)
EN ISO 15875-1, Plastics piping systems for hot and cold water installations - Crosslinked polyethylene
(PE-X) - Part 1: General (ISO 15875-1)
EN ISO 15875-2, Plastics piping systems for hot and cold water installations - Crosslinked polyethylene
(PE-X) - Part 2: Pipes (ISO 15875-2)
EN ISO 15875-3, Plastics piping systems for hot and cold water installations - Crosslinked polyethylene
(PE-X) - Part 3: Fittings (ISO 15875-3)
EN ISO 15875-5, Plastics piping systems for hot and cold water installations - Crosslinked polyethylene
(PE-X) - Part 5: Fitness for purpose of the system (ISO 15875-5)
EN ISO 15876-1, Plastics piping systems for hot and cold water installations - Polybutene (PB) - Part 1:
General (ISO 15876-1)
EN ISO 15876-2, Plastics piping systems for hot and cold water installations - Polybutene (PB) - Part 2:
Pipes (ISO 15876-2)
EN ISO 15876-3, Plastics piping systems for hot and cold water installations - Polybutene (PB) - Part 3:
Fittings (ISO 15876-3)
EN ISO 15876-5, Plastics piping systems for hot and cold water installations - Polybutene (PB) - Part 5:
Fitness for purpose of the system (ISO 15876-5)
EN ISO 21003-1, Multilayer piping systems for hot and cold water installations inside buildings - Part 1:
General (ISO 21003-1)
EN ISO 21003-2, Multilayer piping systems for hot and cold water installations inside buildings - Part 2:
Pipes (ISO 21003-2)
EN ISO 21003-3, Multilayer piping
...