UNE-EN 448:2025
Current
The latest, up-to-date edition.
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 (Endorsed by Asociación Española de Normalización in May of 2025.)
Hardcopy , PDF
English
01-05-2025
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 pipe, in most cases a steel fitting, polyurethane (PUR) foam thermal insulation and a casing of polyethylene.The fitting assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers.This document covers the following fitting assemblies: bend, tee and reducer.This document applies to fitting assemblies with a minimum design pressure of 1,6 MPa.
| Committee |
CTN 92
|
| DocumentType |
Standard
|
| Pages |
35
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN 448:2025-07 | Equivalent |
| I.S. EN 448:2025 | Equivalent |
| BS EN 448:2025 | Equivalent |
| EN 448:2025 | Identical |
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