NF EN 15698-2:2019
Current
The latest, up-to-date edition.
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
Hardcopy
English - French
01-10-2019
This document defines the requirements and test methods for fittings of prefabricated thermally insulated twin-tube systems comprising steel fittings and/or service valves from DN 15 to DN 250, rigid polyurethane foam insulation and a polyethylene protective tube, for underground hot water systems directly equipped with pre-insulated twin-tube systems in accordance with NF EN 15698-1.
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