BS 4979-2:1974 - Methods for testing and rating air control devices for air distribution systems. Aerodynamic testing of variable flow rate assemblies without a heat exchanger

BS 4979-2:1974

Methods for testing and rating air control devices for air distribution systems. Aerodynamic testing of variable flow rate assemblies without a heat exchanger

Status : Revised, Withdrawn   Published : July 1974 Replaced By : BS 4979:1986

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Deals with the testing of the variable flow rate control characteristics (using a simulated external signal) and casing and damper leakage, as well as (in the case of dual duct variable flow rate boxes) the efficiency of mixing following the transition from variable flow rate, and the flow proportioning damper.




Standard NumberBS 4979-2:1974
TitleMethods for testing and rating air control devices for air distribution systems. Aerodynamic testing of variable flow rate assemblies without a heat exchanger
StatusRevised, Withdrawn
Publication Date22 July 1974
Withdrawn Date30 April 1986
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS 4979:1986
Draft Superseded By72/36468 DC
DescriptorsAir control devices, Air-conditioning equipment, Air-distribution systems, Aerodynamic characteristics, Performance testing, Flow rates, Air, Ratings, Graphical methods
ICS91.140.30
CommitteeRHE/2
ISBN0 580 08250 4
PublisherBSI
FormatA4
DeliveryNo
File Size0 KB
Price£182.00


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