I.S. EN 15698-1:2009
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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DISTRICT HEATING PIPES - PREINSULATED BONDED TWIN PIPE SYSTEMS FOR DIRECTLY BURIED HOT WATER NETWORKS - PART 1: TWIN PIPE ASSEMBLY OF STEEL SERVICE PIPE, POLYURETHANE THERMAL INSULATION AND OUTER CASING OF POLYETHYLENE
Hardcopy , PDF
30-04-2020
English
01-01-2009
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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.
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| SupersededBy |
| 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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