NBN EN 253 : 2009 + A2 2015
Current
Current
The latest, up-to-date edition.
DISTRICT HEATING PIPES - PREINSULATED BONDED PIPE SYSTEMS FOR DIRECTLY BURIED HOT WATER NETWORKS - PIPE ASSEMBLY OF STEEL SERVICE PIPE, POLYURETHANE THERMAL INSULATION AND OUTER CASING OF POLYETHYLENE
Published date
01-12-2013
Publisher
Defines requirements and test methods for straight lengths of prefabricated thermally insulated pipe-in-pipe assemblies for directly buried hot water networks, comprising a steel service pipe from DN 15 to DN 1200, rigid polyurethane foam insulation and an outer casing of polyethylene.
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