Round Volume control damper

S- Single skin blade; S1 – Single skin blade with gasket for low leakage.
AEROSYS round volume control dampers have been specifically designed for use in ventilation systems for volume, flow and pressure control for light and medium duty applications. These VCDs are made up of galvanized steel sheet to with give better performance with maximum air capacity with minimum pressure drop. The dampers can be fitted with hand locking quadrant or can be operated by electric actuators. The VCDs are also available in low leakage construction as well with gasket and PVC knobs instead of Quadrants