The damper is of a high quality construction with all working parts outside of air stream. The aerofoil blade has edge seals for improved air tightness.

We can supply the components if you wish to manufacture the damper in-house or they can be supplied fully assembled. See typical damper drawing below.

Damper diagram

The unique design enables large dampers upto 5.0 m x 2.5m to be driven from a single actuator, reducing control and wiring costs.

Double Damper
Single Damper