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  • BSI
    BS EN 488:2011+A1:2014 District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
    Edition: 2014
    $442.60
    / user per year

Description of BS EN 488:2011+A1:2014 2014

This European Standard specifies requirements and test methods for valves of prefabricated thermally insulated valve assemblies comprising a steel valve, rigid polyurethane foam insulation and an outer casing of polyethylene for use in directly buried hot water networks with pre-insulated pipe assemblies in accordance with EN 253.

This European Standard applies only to insulated valve assemblies for continuous operation with hot water at various temperatures in accordance with EN 253:2009, Clause 1 and the valve assemblies with a maximum operation pressure of 25 bar. For higher pressures, additional demands apply.

Guidelines for quality inspection are given in Annex A of this European Standard.

NOTE For this application, the following valve types are commonly used: ball valves, gate valves, and butterfly valves.

This European Standard does not include calculation rules for loads and stresses. These depend on the configuration of the system as it is installed. The design and installation rules are given in EN 13941:2009+A1:2010.



Standard NumberBS EN 488:2011+A1:2014
TitleDistrict heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
StatusWithdrawn
Publication Date2014-03-31
Withdrawn Date2015-11-30
ReplacesBS EN 488:2003
Identical National Standard OfEN 488:2011+A1:2014
AmendsBS EN 488:2011
DescriptorsPolyurethane, Water, Steels, Space-heating systems, Polyethylene, Underground, Pipes, Bonding, Valves, Heat pipes, District heating, Pipelines, Thermal insulating materials
ICS91.140.60 Water supply systems, 23.060.01 Valves in general
CommitteeRHE/9
ISBN978 0 580 79489 6
PublisherBSI
Pages34

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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