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ČSN EN 488-2 (383373)
District heating and district cooling pipes - Bonded pipe systems for directly buried hot and cold water networks - Part 2: Factory made steel service valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene
Translate name
STANDARD published on 1.6.2025
The information about the standard:
Designation standards: ČSN EN 488-2
Classification mark: 383373
Catalog number: 521491
Publication date standards: 1.6.2025
SKU: NS-1221921
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Annotation of standard text ČSN EN 488-2 (383373):
This document specifies requirements for factory made thermally insulated bonded steel service valve assemblies for filling, draining, venting and operation purposes for directly buried hot and cold water networks in accordance with EN 13941-1, comprising a steel service valve, steel service pipe, polyurethane (PUR) foam thermal insulation and a casing of polyethylene (PE).
This document applies of steel service valve assemblies with an internal pressure of maximum 2,5 MPa.
The principles of this document can be applied to thermal insulated bonded steel service valve assemblies with internal pressures higher than 2,5 MPa, provided that special attention is paid to the effects of pressure.
The steel service valve assembly can also include the following additional elements: measuring wires, spacers, and diffusion barriers
Preview of the standard ČSN EN 488-2 (383373)
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