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
NORM herausgegeben am 1.12.2019
Bezeichnung normen: ČSN EN 448
Zeichen: 383372
Katalog-Nummer: 509115
Ausgabedatum normen: 1.12.2019
Zahl der Seiten: 36
Gewicht ca.: 108 g (0.24 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
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)