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Homepage>CSN Standards>38 POWER ENGINEERING FIRE SAFETY>3833 Heat distribution networks. Heat supply>CSN EN 253+A2 - District rating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyuretane thermal insulation and outer casting of polyethylene
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Released: 01.01.2016
CSN EN 253+A2 - District rating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyuretane thermal insulation and outer casting of polyethylene

CSN EN 253+A2

District rating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyuretane thermal insulation and outer casting of polyethylene

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Number of Standard:CSN EN 253+A2
Category:383371
Pages:56
Released:01.01.2016
Catalog number:98943
DESCRIPTION

CSN EN 253+A2

CSN EN 253+A2 This European Standard specifies requirements and test methods for straight lengths of prefabricated thermally insulated pipe-in-pipe assemblies for directly buried hot water networks, comprising a steel service pipe from DN 15 to DN 1200, rigid polyurethane foam insulation and an outer casing of polyethylene. The pipe assembly may also include the following additional elements: measuring wires, spacers and diffusion barriers. This standard applies only to insulated pipe assemblies, for continuous operation with hot water at various temperatures up to 120 °C and occasionally with a peak temperature up to 140 °C. The estimation of expected thermal life with continuous operation at various temperatures is outlined in Annex B.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.