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>UNE standards>UNE EN 488-1:2025 - District heating pipes - Bonded single pipe systems for directly buried hot water networks - Part 1: Factory made steel shut-off valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene (Endorsed by Asociación Española de Normalización in May of 2025.)
in stockReleased: 2025-05-01
UNE EN 488-1:2025 - District heating pipes - Bonded single pipe systems for directly buried hot water networks - Part 1: Factory made steel shut-off valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene (Endorsed by Asociación Española de Normalización in May of 2025.)

UNE EN 488-1:2025

District heating pipes - Bonded single pipe systems for directly buried hot water networks - Part 1: Factory made steel shut-off valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene (Endorsed by Asociación Española de Normalización in May of 2025.)

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Standard number:UNE EN 488-1:2025
Pages:30
Released:2025-05-01
Status:Standard
DESCRIPTION

UNE EN 488-1:2025

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, valve extension pipes, polyurethane (PUR) foam thermal insulation and a casing of polyethylene. The valve assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers.