
District heating pipes - Bonded twin pipe systems for directly buried hot water networks - Part 2: Factory made fitting and valve assemblies of steel service pipes, polyurethane thermal insulation and one casing of polyethylene
出版:Netherlands Standards

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NEN-EN 15698-2 specifies requirements and test methods for fittings of factory made thermally insulated bonded twin pipe assemblies for hot water networks in accordance with EN 13941-1, comprising two steel service fittings and/or valves, polyurethane foam thermal insulation and one casing of polyethylene.
EN 15698-2 :2019 - Identical