Standard NBN EN 253:2019
District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made pipe assembly of steel service pipe, polyurethane thermal insulation and a casing of polyethylene
Status
:
Active
Publication date
:
11/2019
Languages
:
EN/FR/DE
ICS
:
23.040.07 Pipelines and its parts for district heat
23.040.10 Iron and steel pipes
Summary :
This document specifies requirements and test methods for straight lengths of factory made thermally insulated bonded single pipe assemblies for hot water networks in accordance with EN 13941-1, comprising a steel service pipe, polyurethane foam thermal insulation and a casing of polyethylene.
The pipe assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers.
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