Volume Control Damper – Low Leakage (VCDL)

Volume Control Damper – Low Leakage (VCDL)




The VCD volume control damper range have been designed to provide positive control of air flow within ventilation and air conditioning systems.

The VCD damper is constructed from high quality aluminium extrusions and are suitable for flanged connection within square and rectangular duct systems.

Incorporated in the blade tip is a unique grooved pattern to ensure positive locking and minimal leakage.

The VCD model comes complete with quadrant arm and blade position indicator in order to balance on site.

For motorised control the VCDM model comes complete with a 12.5mm hexagonal drive shaft.


The frame and blades are of extruded aluminium in mill finish.

The frame is screwed together and blades held on zinc axles and acetyl bearings, with the linkage free geared drive system out of the airway and concealed within the frame.

Slotted holes provided in each corner to suit duct flanging.


Motorised smoke relief.