FprEN 15698-2

District heating pipes - Bonded twin pipe systems for directly buried hot water networks - Part 2: Factory made fitting and valve assemblies of steel service pipes, polyurethane thermal insulation and one casing of polyethylene

Publication date:   Jul 6, 2023

General information

50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks   Oct 31, 2024

CEN

CEN/TC 107 Prefabricated district heating and district cooling pipe system

European Norm

23.040.07   Pipelines and its parts for district heat

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Scope

This document specifies requirements and test methods for fitting and steel valve assemblies of factory made thermally insulated bonded twin pipe assemblies for hot water networks in accordance with EN 13941-1, comprising two steel service pipes, in most cases steel fittings and/or steel valves, steel components, polyurethane (PUR) foam thermal insulation and one casing of polyethylene.
NOTE Steel components can be e.g. fixing bars.
The twin pipe assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers.
This document covers the following assemblies:
- fittings: bends, T-pieces and reducers;
- valves for main line.
This document applies to fitting assemblies with an internal pressure of at least 1,6 MPa and steel valve assemblies with a maximum internal pressure of 2,5 MPa.

Life cycle

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PUBLISHED
EN 15698-2:2019

NOW

IN_DEVELOPMENT
FprEN 15698-2
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Oct 31, 2024