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CEN - EN 448

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

active, Most Current
Organization: CEN
Publication Date: 1 October 2019
Status: active
Page Count: 36
ICS Code (Metal fittings): 23.040.40
ICS Code (Pipelines and its parts for district heat): 23.040.07
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).

Document History

EN 448
October 1, 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
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...
November 1, 2015
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
This European Standard specifies requirements and test methods for fittings of prefabricated thermally insulated pipe-in-pipe assemblies comprising a steel service fitting from DN 20 to DN 1200,...
February 1, 2009
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
A description is not available for this item.
February 1, 2003
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
A description is not available for this item.
January 1, 1994
Preinsulated Bonded Pipe Systems for Underground Hot Water Networks-Fitting Assemblies of Steel Service Pipes, Polyurethane Thermal Insulation and Outer Casing of Polyethylene
A description is not available for this item.

References

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