CSN EN 448

CSN EN 448 (38 3372) 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 pipe, in most cases a steel fitting, polyurethane (PUR) foam thermal insulation and a casing of polyethylene. The fitting assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers. This document specifies the characteristics of the following fitting assemblies: - bends, T-pieces, and reducers. This document applies to fitting assemblies with a design pressure of at least 1,6 MPa.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.