BS EN 448:2009 - 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 – BSI British Standards

BS EN 448:2009

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

Status : Revised, Superseded, Withdrawn   Published : March 2009 Replaced By : BS EN 448:2015

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BS EN 448:2009 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

BS EN 448:2009 specifies requirements and test methods for fittings of prefabricated thermally insulated pipe-in-pipe assemblies. It specifically applies to those assemblies comprising of 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 BS EN 253.

BS EN 448:2009 covers the following fittings: bends, T-pieces, reducers, single use compensators and anchors.

BS EN 448:2009 applies only to insulated fitting assemblies and single use compensators for continuous operation with hot water at various temperatures in accordance with BS EN 253:2009, Clause 1.

BS EN 448:2009 applies to fitting assemblies with a minimum design pressure of 16 bar (overpressure) complying with BS EN 13941.

Contents of BS EN 448:2009:

  • Foreword
  • Scope
  • Normative references
  • Terms and definitions
  • Requirements
  • Test methods
  • Marking
  • Guidelines for inspection and testing
  • Procedures for polyethylene welding
  • Main changes from EN 448:2003
  • Bibliography



Standard NumberBS EN 448:2009
TitleDistrict 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
StatusRevised, Superseded, Withdrawn
Publication Date31 March 2009
Withdrawn Date30 November 2015
Normative References(Required to achieve compliance to this standard)EN 253:2009, EN 287-1, EN 489:2009, EN 571-1, EN 1289, EN 1290, EN 1291, EN 1418, EN 1435, EN 10253-2:2007, EN 12517-1, EN 12814-1, EN 13941, EN 14419:2009, EN 14870-1, ISO 15590-1:2001, EN ISO 5817, ISO 5817:2003, ISO 5817:2005, ISO 5817:2003/Technical Corrigendum 1:2006, EN ISO 8501-1, ISO 8501-1:2007, EN ISO 9692-1:2003, ISO 9692-1:2003, EN ISO 15607, ISO 15607:2003, ISO 17636
Informative References(Provided for Information)EN ISO 9001, ISO 9001:2000, ISO 2859-2, EN 488
Replaced ByBS EN 448:2015
ReplacesBS EN 448:2003
International RelationshipsEN 448:2009
Draft Superseded By07/30165568 DC
DescriptorsDistrict heating, Space-heating systems, Heat pipes, Pipelines, Pipes, Water, Hot-water supply systems, Thermal insulating materials, Bonding, Underground, Steels, Polyurethane, Polyethylene, Pipe fittings, Pipe connections
ICS23.040.40
23.040.07
Title in FrenchTuyaux de chauffage urbain. Systèmes bloqués de tuyaux préisolés pour des réseaux d'eau chaude enterrés directement. Raccords préisolés pour tubes de service en acier, isolation thermique en polyuréthane et tube de protection en polyéthylène
Title in GermanFernwärmerohre. Werkmäßig gedämmte Verbundmantelrohrsysteme für direkt erdverlegte Fernwärmenetze. Verbundformstücke, bestehend aus Stahl-Mediumrohr, Polyurethan-Wärmedämmung und Außenmantel aus Polyethylen
CommitteeRHE/9
ISBN978 0 580 58891 4
PublisherBSI
FormatA4
DeliveryNo
Pages38
File Size470.2 KB
Price£218.00


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