Over deze norm
|Commissie||Leidingen voor warmtedistributie|
This document specifies requirements and test methods for fittings of factory made thermally insulated bonded twin pipe assemblies for hot water networks in accordance with prEN 13941-1, comprising two steel service fittings and/or valves, rigid polyurethane foam insulation and one casing of polyethylene. The 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, reducers and anchors; - valves constructions. This document applies to fitting and valve assemblies with a minimum design pressure of 16 bar (overpressure).
|Engelse titel||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|