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sklademVydáno: 2019-10-29
BS EN 448:2019
District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene
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| Označení normy: | BS EN 448:2019 |
| Počet stran: | 36 |
| Vydáno: | 2019-10-29 |
| ISBN: | 978 0 580 51884 3 |
| Status: | Standard |
Popis
BS EN 448:2019
This standard BS EN 448:2019 District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene is classified in these ICS categories:
- 23.040.40 Metal fittings
- 23.040.07 Pipelines and its parts for district heat
This document specifies requirements and test methods for factory made thermally insulated bonded fitting assemblies for hot water networks in accordance with EN 13941?1, comprising a steel service fitting, rigid polyurethane foam thermal insulation and a casing of polyethylene.
The fitting assembly could also include the following additional elements: measuring wires, spacers and diffusion barriers.
This document covers the following fitting assemblies: bend, tee, reducer, single use compensator and anchor.
This document applies to fitting assemblies with a minimum design pressure of 1,6 MPa (overpressure).