Single Butter fly Blade; Low Leakage Rating to Class-2 ; Drive : Manual Quadrant:RVCD-GB-30
RVCD GB 30 Series is a galvanized steel high performance low leakage volume control damper, to ensure lowest resistance to airflow in HVAC systems with velocities to 2000 fpm (10.2 m/sec.) and 4” w.g. (1000Pa) may be installed vertically or horizontally and is rated for airflow and leakage class 1 class 2 in either direction. The standard construction is suitable for a leakage of class 1 <1% , class 2 <3% when in either direction.