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Normas DIN – AENOR
DIN EN 17414-2:2019-08

DIN EN 17414-2:2019-08

District cooling pipes - Factory made flexible pipe systems - Part 2: Bonded system with plastic service pipes; requirements and test methods; German and English version prEN 17414-2:2019 / Note: Date of issue 2019-07-19

/ Attention: Date de parution 2019-07-19

Fernkühlungsrohre - Werkmäßig gedämmte flexible Rohrsysteme - Teil 2: Verbundrohrsysteme mit Mediumrohren aus Kunststoff; Anforderungen und Prüfungen; Deutsche und Englische Fassung prEN 17414-2:2019 / Achtung: Erscheinungsdatum 2019-07-19

Fecha Anulación:
2020-09 /Withdrawn
Equivalencias internacionales:

prEN 17414-2 (2019-07)

Relación con otras normas DIN:

Reemplazada por: DIN EN 17414-2:2020-09

Resumen:
This European Standard 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 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 standard is intended to be used in conjunction with EN 17414-1. This standard applies only to insulated pipe assemblies, for continuous operation with water at various temperatures (1 - 30)°C and a maximum operation pressure of 25 bar.The estimation of expected service life with continuous operation is minimum 50 years.This European Standard does not cover surveillance systems. NOTE For the transport of other liquids, for example potable water, additional requirements may be applicable.
Keywords:
Classification, Compactness, Composite tubes, Compression stresses, Distributing systems, District cooling, District cooling pipes, Fittings, Flexible, Life (durability), Operating temperatures, Pipe system, Pipes, Plastics, Polyethylene, Properties, Resistance, Shear strength, Specification (approval), Testing, Thermal environment systems, Underground, Water, Waterproofness, Working pressures
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