Round Volume Control Damper (RND-VCD)
Frame blade made from 18 ga (1.2mm) galvanized sheet.
The blades are mounted on PVC/ Brass bushes and can be
Controlled manually or by a motor actuator.
The movement of the blade permits regulation from fully
Open to complete.
100mm - 300mm
125mm - 350mm
150mm - 400mm
160mm - 450mm
200mm - 500mm
250mm - 600mm
300mm - 650mm