CEN - PREN 15698-1
District heating pipes - Bonded twin pipe systems for directly buried hot water networks - Part 1: Factory made twin pipe assembly of steel service pipes, polyurethane thermal insulation and one casing of polyethylene
| Organization: | CEN |
| Publication Date: | 1 July 2023 |
| Status: | pending |
| Page Count: | 20 |
| ICS Code (Pipelines and its parts for district heat): | 23.040.07 |
scope:
This document specifies requirements and test methods for straight lengths of factory made thermally insulated bonded twin pipe assemblies for directly buried hot water networks in accordance with EN 13941-1, comprising two steel service pipes, polyurethane (PUR) foam thermal insulation and a casing of polyethylene.
The twin pipe assembly can also include the following additional elements: Measuring wires, spacers and diffusion barriers.
Document History