EN 17414-3:2020

District cooling pipes - Factory made flexible pipe systems - Part 3: Non bonded system with plastic service pipes; requirements and test methods

Publication date:   Dec 21, 2020

General information

60.60 Standard published   Jul 29, 2020

CEN

CEN/TC 107 Prefabricated district heating and district cooling pipe system

European Norm

23.040.99   Other pipeline components

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Scope

This document specifies requirements and test methods for factory made thermally insulated non bonded flexible pipe-in-pipe assemblies for directly buried district cooling distribution systems, comprising a service pipe from DN 15 to DN 200 and a casing of polyethylene. The pipe assembly may also include the following additional elements: measuring wires, spacers and diffusion barriers.
This document is intended to be used in conjunction with prEN 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.
NOTE For the transport of other liquids, for example potable water, additional requirements may be applicable.

Life cycle

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PUBLISHED
EN 17414-3:2020
60.60 Standard published
Jul 29, 2020