23.040.07 - Pipeline and its parts for district heat

This document specifies requirements and test methods for surveillance systems for directly buried hot water networks in accordance with prEN 13941-1.
This document specifies requirements for the manufacture of measuring elements, for the manufacture of factory made bonded pipe, fitting and valve assemblies with measuring elements as well as for the assembly of the measuring elements in the field.
All requirements and recommendations described in this document are based on the experience gaine...view more

This European Standard specifies requirements and test methods for joints between adjacent factory made pipe, and/or fitting and/or valve assemblies for buried hot water networks in accordance with EN 13941-1.

This document specifies requirements and test methods for fittings of factory made thermally insulated bonded twin pipe assemblies for hot water networks in accordance with prEN 13941-1, comprising two steel service fittings and/or valves, rigid polyurethane foam insulation and one casing of polyethylene.
The pipe assembly can also include the following additional elements: Measuring wires, spacers and diffusion barriers.
This document covers the following assemblies:
-   fittings: bends, T-pie...view more

This document specifies requirements and test methods for factory made thermally insulated bonded valve assemblies for hot water networks in accordance with prEN 13941-1, comprising a steel valve, rigid polyurethane foam insulation and a casing of polyethylene.
The valve assembly may also include the following additional elements: measuring wires, spacers and diffusion barriers.

This document specifies requirements and test methods for straight lengths of factory made thermally insulated bonded twin pipe assemblies for directly buried hot water networks in accordance with prEN 13941-1, comprising two steel service pipes, rigid polyurethane foam insulation and one casing of polyethylene.
The pipe assembly can also include the following additional elements: Measuring wires, spacers and diffusion barriers.

This document specifies requirements and test methods for factory made thermally insulated bonded fitting assemblies for hot water networks in accordance with prEN 13941-1, comprising a steel service fitting, rigid polyurethane foam insulation and a casing of polyethylene.
The fitting assembly may also include the following additional elements: measuring wires, spacers and diffusion barriers.
This document covers the following fitting assemblies: bend, tee, reducer, single use compensator and ...view more

This European Standard specifies requirements and test methods for straight lengths of factory made thermally insulated bonded single pipe assemblies for hot water networks in accordance with prEN 13941-1:2016, comprising a steel service pipe, rigid polyurethane foam insulation and a casing of polyethylene.
The pipe assembly may also include the following additional elements: measuring wires, spacers and diffusion barriers.

This document compiles a vocabulary of terms, with their definitions, applied in the field of district heating and district cooling pipe systems with factory made system components. Only terms which are particular to the pertinent field in CEN/TC 107 are included.

This document specifies requirements and test methods for joints between adjacent factory made pipe, and/or fitting and/or valve assemblies for buried hot water networks in accordance with EN 13941-1.

This document specifies requirements and test methods for straight lengths of factory made thermally insulated bonded twin pipe assemblies for directly buried hot water networks in accordance with EN 13941 1, comprising two steel service pipes, rigid polyurethane foam thermal insulation and one casing of polyethylene.
The pipe assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers.

This document specifies requirements and test methods for surveillance systems for directly buried hot water networks in accordance with EN 13941 1 and EN 13941 2.
This document specifies requirements for the manufacture of measuring elements, for the manufacture of factory made bonded pipe, fitting and valve assemblies with measuring elements as well as for the assembly of the measuring elements in the field.
All requirements and recommendations described in this document are based on the exp...view more

This document compiles a vocabulary of terms, with their definitions, applied in the field of district heating and district cooling pipe systems with factory made system components. Only terms which are particular to the pertinent field in CEN/TC 107 are included.

This document specifies requirements and test methods for factory made thermally insulated bonded fitting assemblies for hot water networks in accordance with EN 13941 1, comprising a steel service fitting, rigid polyurethane foam thermal insulation and a casing of polyethylene.
The fitting assembly could also include the following additional elements: measuring wires, spacers and diffusion barriers.
This document covers the following fitting assemblies: bend, tee, reducer, single use compensa...view more

This document specifies requirements and test methods for fittings of factory made thermally insulated bonded twin pipe assemblies for hot water networks in accordance with EN 13941 1, comprising two steel service fittings and/or valves, polyurethane foam thermal insulation and one casing of polyethylene.
The pipe assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers.
This document covers the following assemblies:
-   fittings: bends, T-pie...view more

This document specifies requirements and test methods for straight lengths of factory made thermally insulated bonded single pipe assemblies for hot water networks in accordance with EN 13941-1, comprising a steel service pipe, polyurethane foam thermal insulation and a casing of polyethylene.
The pipe assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers.

This European Standard specifies requirements for design, calculation and installation of factory made thermal insulated bonded single and twin pipe systems for directly buried hot water networks for continuous operation with treated hot water at various temperatures up to 120 ºC and occasionally with peak temperatures up to 140 ºC and maximum internal pressure 2,5 MPa. Flexible pipe systems according to EN 15632 are not under the scope of this standard.
The standard EN 13941, Design and instal...view more

This European Standard specifies requirements for design, calculation and installation of factory made thermal insulated bonded single and twin pipe systems for directly buried networks for continuous operation with treated hot water at various temperatures up to 120 ºC and occasionally with peak temperatures up to 140 ºC and maximum internal pressure 2,5 MPA. Flexible pipe systems according to EN 15632 are not under the scope of this standard.
The standard EN 13941, Design and installation of ...view more

This European Standard specifies requirements for design, calculation and installation of factory made thermal insulated bonded single and twin pipe systems for directly buried hot water networks for continuous operation with treated hot water at various temperatures up to 120 ºC and occasionally with peak temperatures up to 140 ºC and maximum internal pressure 2,5 MPa. Flexible pipe systems according to EN 15632 are not under the scope of this standard.
The standard EN 13941, Design and instal...view more

This European Standard specifies requirements for design, calculation and installation of factory made thermal insulated bonded single and twin pipe systems for directly buried networks for continuous operation with treated hot water at various temperatures up to 120 ºC and occasionally with peak temperatures up to 140 ºC and maximum internal pressure 2,5 MPA. Flexible pipe systems according to EN 15632 are not under the scope of this standard.
The standard EN 13941, Design and installation of ...view more

This European Standard provides requirements and test methods for flexible, pre-insulated, directly buried heating pipes with plastics service pipes and bonding between the layers of the pipes.
This European Standard is valid for maximum operating temperatures of 95 °C and maximum operating pressures up to 10 bar for a design lifetime of at least 30 years.
This European Standard does not cover surveillance systems.
NOTE   For higher temperatures or for the transport of other fluids, for example...view more