FprCEN/TS 16591

District heating pipes - Pre-insulated flexible pipe systems - Bonded system with in-situ cross-linkable polyethylene PE-Xb (in-situ PE-Xb) plastic service pipes; requirements and test methods

Scope

This Technical Specification provides requirements and test methods for flexible, pre-insulated, directly buried heating pipe systems with in-situ cross-linkable polyethylene PE-Xb service pipes to be used for district heating.
This Technical Specification is valid for systems with maximum operating temperatures of 95 °C and maximum operating pressures up to 6 bars and designed for a lifetime of at least 30 years.
This Technical Specification does not cover surveillance systems.