District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made pipe assembly of steel service pipe, polyurethane thermal insulation and a casing of polyethylene
NORM herausgegeben am 1.2.2020
Bezeichnung normen: ČSN EN 253
Zeichen: 383371
Katalog-Nummer: 509111
Ausgabedatum normen: 1.2.2020
Zahl der Seiten: 48
Gewicht ca.: 144 g (0.32 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
This document specifies requirements and test methods for straight lengths of factory made thermally insulated bonded single pipe assemblies for hot water networks in accordance with EN 13941-1, comprising a steel service pipe, polyurethane foam thermal insulation and a casing of polyethylene. The pipe assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers