RO
SR EN 15632-4:2009
District heating pipes - Pre-insulated flexible pipe systems - Part 4: Bonded system with metal service pipes; requirements and test methods
This European Standard provides requirements and test methods for flexible, pre-insulated, directly buried district heating pipe assemblies with metallic service pipes and bonding between the layers of the pipes and thermal insulation materials of polyurethane or polyisocyanurate foam. Casing pipe shall be made from polyethylene. This European Standard is valid for maximum operating temperatures up to 140 °C and pressures up to 25 bar for a design lifetime of at least 30 years. NOTE For higher temperatures or for the transport of other fluids, for example potable water, additional requirements and testing is needed. Such requirements are not specified in this European Standard.
Status :
Withdrawn
Approval date : 6/30/2009
Publish date : 7/2/2009
Withdrawal date : 5/31/2022
Number of pages : 16
ICS : 23.040.07 Pipelines and its parts for district heat
Technical Committee : 302 - Space heating appliances, ventilation and room air conditioner
- Normative reference SR EN 13941:2009
- Normative reference SR EN 15632-1:2009
- Normative reference SR EN 1057:2006
- Normative reference SR EN 10305-1:2003
- Normative reference SR EN 14419:2009
- Normative reference SR EN 12449:2003
- Normative reference SR EN 10305-2:2003
- Normative reference SR EN 10088-2:2005
- Normative reference SR EN 10246-1:1998
- Replaced by SR EN 15632-4:2022