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BS EN 15698-1:2009

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

District heating pipes. Preinsulated bonded twin pipe systems for directly buried hot water networks Twin pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
Available format(s)

Hardcopy , PDF

Superseded date

05-11-2019

Language(s)

English

Published date

31-01-2009

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 General
  4.2 Steel service pipe
  4.3 Material, casing properties and
      dimensions
  4.4 Polyurethane rigid foam insulation (PUR)
  4.5 Pipe assembly
      4.5.1 End alignment of forward and
             return service pipes
      4.5.2 Distance between forward and
             return service pipes
      4.5.3 Twisting of service pipes
      4.5.4 Centre line deviation
      4.5.5 Pipe ends
      4.5.6 Axial shear strength
      4.5.7 Expected thermal life and long term
             temperature resistance
      4.5.8 Thermal conductivity in unaged condition
      4.5.9 Impact resistance
      4.5.10 Long term creep resistance and modulus
      4.5.11 Surface conditions at delivery
      4.5.12 Measuring wires for surveillance systems
5 Test methods
  5.1 General
  5.2 Test specimens
  5.3 Casing
  5.4 Polyurethane rigid foam insulation (PUR)
  5.5 Pipe assembly
      5.5.1 Axial shear strength
      5.5.2 Expected thermal life and long term
             temperature resistance
      5.5.3 Thermal conductivity in unaged condition
      5.5.4 Thermal transmittance
      5.5.5 Impact resistance
      5.5.6 Creep behaviour at 140 degrees C
6 Marking
Annex A (informative) - Guidelines for inspection and testing
Annex B (informative) - Calculation of thermal transmittance
Annex C (informative) - Waste treatment and recycling
Bibliography

Describe insulated twin pipe assemblies, for continuous operation with hot water at various temperatures up to 120 degrees C and occasionally with a peak temperature up to 140 degrees C.

Committee
RHE/9
DevelopmentNote
Supersedes 07/30165766 DC. (02/2009) Reviewed and confirmed by BSI, June 2013. (05/2013)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
EN 15698-1:2009 Identical

EN ISO 3126:2005 Plastics piping systems - Plastics components - Determination of dimensions (ISO 3126:2005)
ISO 3126:2005 Plastics piping systems Plastics components Determination of dimensions
EN 253:2009+A2:2015 District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene

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£142.00
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