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Normas DIN – AENOR
DIN EN 17415-3:2020-08

DIN EN 17415-3:2020-08

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; German and English version prEN 17415-3:2020 / Note: Date of issue 2020-07-17

/ Attention: Date de parution 2020-07-17

Fernkälterohre - Einzelrohr-Verbundsysteme für direkt erdverlegte Fernkältenetze - Teil 3: Werkmäßig gefertigte Stahl-Absperrarmaturen für Stahl- oder Kunststoff-Mediumrohre, einer Wärmedämmung aus Polyurethan und einer Ummantelung aus Polyethylen; Deutsche und Englische Fassung prEN 17415-3:2020 / Achtung: Erscheinungsdatum 2020-07-17

Fecha:
2020-08 /Active
Equivalencias internacionales:

prEN 17415-3 (2020-07)

Resumen:
This document specifies requirements, design and test methods for factory made thermally insulated bonded valve assemblies for directly buried district cooling distribution systems, comprising a steel valve from DN 15 to DN 1200, rigid polyurethane foam insulation and a casing of polyethylene.The valve assembly may also include the following additional elements: measuring wires, spacers and diffusion barriers.This document applies only to insulated valve assemblies, for continuous operation with water at various temperatures (1 to 30) °C and a maximum operation pressure of 25 bar.The design is based on an expected service life with continuous operation of a minimum 50 years.
Keywords:
Casing, Classification, Compactness, Composite jacket pipes, Composite tubes, Compression stresses, Distributing systems, District cooling, District cooling pipes, Foamed rubber, Jacket tubes, Life (durability), Pipe system, Pipes, Plastics, Polyethylene, Polyurethane, Properties, Resistance, Rigid foams, Shut-off valves, Specification (approval), Steels, Testing, Thermal environment systems, Thermal insulation, Underground, Water, Watertightness
90,09
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