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ČSN EN 17415-3 (383386)
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
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STANDARD published on 1.12.2021
The information about the standard:
Designation standards: ČSN EN 17415-3
Classification mark: 383386
Catalog number: 513450
Publication date standards: 1.12.2021
SKU: NS-1042898
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN 17415-3 (383386):
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 1 200, rigid polyurethane foam insulation and a casing of polyethylene.
The valve assembly can 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.
NOTE - An expected service life of 50 years presupposes that treated water is used
Preview of the standard ČSN EN 17415-3 (383386)
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