UNI EN 15698-1 : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
11-21-2019
01-01-2009
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 degree 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
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