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  • BS 4979-2:1974

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

BSI Group, 07/22/1974

Publisher: BS

File Format: PDF

$125.00$251.46


Published:22/07/1974

Note:This product is unavailable in Ukraine, Russia, Belarus

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.

All current amendments available at time of purchase are included with the purchase of this document.

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