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  • BSI
    BS EN 13941:2009+A1:2010 Design and installation of preinsulated bonded pipe systems for district heating
    Edition: 2010
    $614.12
    / user per year

Description of BS EN 13941:2009+A1:2010 2010

This European Standard specifies rules for design, calculation and installation for preinsulated bonded pipe systems for buried hot water distribution and transmission networks (cf. Figure 2) with pipe assemblies in accordance with EN 253, for continuous operation with hot water at various temperatures up to 120ºC and occasionally with peak temperatures up to 140ºC and maximum internal pressure 25 bar (overpressure).

Application rule:

For larger pipe dimensions and pressures below 25 bar wall thickness bigger than specified in EN 253 can be required for straight pipes, bends and tees.

The principles of the standard can be applied to preinsulated pipe systems with pressures higher than 25 bar, provided that special attention is paid to the effects of pressure. Adjacent pipes belonging to the network (e.g. pipes in ducts, valve chambers, road crossings above ground etc.) can be designed and installed according to this standard.

The standard assumes use of treated water, which by softening, demineralisation, deaeration, adding of chemicals, or otherwise has been treated to prevent internal corrosion and deposits in the pipes.

This standard is not applicable for such units as:

  1. pumps,

  2. exchangers,

  3. boiler installations, tank installations,

  4. consumer installations.

However, the full functional ability and durability of such units should be ensured in consideration of the impacts from the district heating system and other impacts occurring from the conditions under which they have been installed.

Guidelines for product quality inspection and in situ tests of joints are given in Annex A of EN 448:2009, Annex D of EN 253:2009, Annex A of EN 488:2009 and Annex B of EN 489:2009.

Guidelines for welding of polyethylene casing are given in Annex B of EN 448:2009.

The estimation of expected life with continuous operation at various temperatures is outlined in Annex B of EN 253:2009.



Standard NumberBS EN 13941:2009+A1:2010
TitleDesign and installation of preinsulated bonded pipe systems for district heating
StatusWithdrawn
Publication Date2010-08-31
Withdrawn Date2019-05-03
ReplacesBS EN 13941:2003
Replaced ByBS EN 13941-1:2019+A1:2021, BS EN 13941-2:2019+A1:2021
Identical National Standard OfEN 13941:2009+A1:2010
AmendsBS EN 13941:2009
DescriptorsWater, Bonding, Heat pipes, Pipework systems, Structural design, Loading, Thermal insulating materials, Mathematical calculations, Pipelines, District heating, Underground, Hot-water supply systems, Installation, Pipes, Design, Space-heating systems
ICS91.140.10 Central heating systems
CommitteeRHE/9
ISBN978 0 580 69522 3
PublisherBSI
Pages128

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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