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

$132.00$264.16

Description

Standard By:BSI Group , 07/22/1974

Published:07/22/1974

ISBN(s):0580082504

Language:English

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.