SS-EN-448 › Historical Revision Information
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
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This European Standard specifies requirements and test methods for fittings of prefabricated thermally insulated pipe-in-pipe assemblies comprising a steel service fitting from DN 20 to DN 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 EN 253. This European Standard covers the following fittings: bends, T-pieces, reducers, single use compensators and anchors. This European Standard applies only to insulated fitting assemblies and single use compensators for continuous operation with hot water at various temperatures in accordance with EN 253:2009, Clause 1. This European Standard applies to fitting assemblies with a minimum design pressure of 16 bar (overpressure) complying with EN 13941. Guidelines for quality inspection are given in Annex A of this European Standard. Procedures for PE-welding are given in Annex B of this European Standard. NOTE This European Standard does not include rules for calculation of loads and stresses.
To find similar documents by classification:
23.040.01 (Pipeline components and pipelines in general)
23.040.07 (Pipelines and its parts for district heat)
23.040.99 (Other pipeline components)
27.010 (Energy and heat transfer engineering in general)
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Designation Name
SS-EN 448:2009
Revision Level
2009 EDITION
Status
Superseded
Publication Date
March 9, 2009
Language(s)
English
Page Count
44
International Equivalent
EN 448:2009(IDT)