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Description of BS EN 448:2015 2015This European Standard specifies requirements and test methods for fittings of prefabricated thermally insulated pipe-in-pipe assemblies comprising a steel service fitting from DNÂ 20 to DNÂ 1200, rigid polyurethane foam insulation and an outer casing of polyethylene for use in directly buried hot water networks with preinsulated pipe assemblies in accordance with ENÂ 253 . This European Standard covers the following fittings: bend, tee, reducer, single use compensator and anchor. This European Standard applies only to factory made prefabricated fitting assemblies and single use compensators for continuous operation with hot water at various temperatures in accordance with ENÂ 253 . This European Standard applies to fitting assemblies with a minimum design pressure of 16 bar (overpressure) complying with ENÂ 13941 . This European Standard does not include calculation rules for loads and stresses. The design and installation rules, for the system, are given in ENÂ 13941 .
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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