EN 488:2019
Current
The latest, up-to-date edition.
District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made steel valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene
16-10-2019
This document specifies requirements and test methods for factory made thermally insulated bonded valve assemblies for hot water networks in accordance with EN 13941 1, comprising a steel valve, rigid polyurethane foam thermal insulation and a casing of polyethylene.The valve assembly could also include the following additional elements: measuring wires, spacers and diffusion barriers.
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