ČSN EN 15698-2

(38 3377) 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 EN 13941-1, comprising two steel service fittings and/or valves, polyurethane foam thermal 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 and reducers; - valve construction. This document applies to fitting and valve assemblies with a minimum design pressure of 1,6 MPa (overpressure).