ČSN EN 17414-1

District cooling pipes - Factory made flexible pipe systems - Part 1: Classification, general requirements and test methods

Available languages: English

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Detail information

Designation: ČSN EN 17414-1

Publication date: 01/12/2020

Pages: 40

Country: Czech technical standard

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Anotation

This document specifies requirements and test methods for factory made thermally insulated 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 17414-2 or EN 17414-3.
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. For pipe systems with plastic service pipes, the respective temperature profiles are defined in EN 17414-2 and EN 17414-3.
NOTE - For the transport of other liquids, for example potable water, additional requirements could be applicable

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