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

Publication date:   Mar 16, 2020

General information

60.60 Standard published   Oct 16, 2019

CEN

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

European Norm

23.040.07   Pipelines and its parts for district heat | 23.040.40   Metal fittings

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Scope

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).

Life cycle

PREVIOUSLY

Replaces
EN 448:2015

NOW

PUBLISHED
EN 448:2019
60.60 Standard published
Oct 16, 2019