Box Damper
This damper is built with a closed blade and a ball bearing support with a manual locking quadrant.
Butterfly Damper
This is a round damper with a ball bearing shaft support and a manual control lever.
External Variable Inlet Vane
The VIV is built with a ball bearing shaft support and an external ball joint control ring.
Insulated Inlet Vane
The insulated inlet vane is built with ceramic bushing center support and a ball bearing external support. Designs are available to 1800 F.
Guillotine Damper
This is a 4’ x 6” Isolation damper with a linear gear drive.
Guillotine Damper
This damper is constructed out of stainless steel with a ball screw drive and limit switches.
