BS EN 488:1995 Preinsulated bonded pipe systems for underground hot water networks - Steel valve assembly of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
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This European Standard covers valve assemblies for underground hot water networks with preinsulated pipe assemblies in accordance with EN 253 and specifies requirements and test methods for prefabricated thermally insulated valve assemblies, comprising a steel valve, rigid polyurathane foam insulation and outer casing of polyetylene.
BS EN 488:1995 Preinsulated bonded pipe systems for underground hot water networks - Steel valve assembly of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene