Opposed Blade Dampers
Extruded Aluminium Opposed Blade Collar Damper with Nylon gears and lever on face side for smooth operation. Typically used in duct collars to control supply air.

- Frame and blades are of high quality extruded aluminium profiled construction with the advantages of corrosion resistance and rigidity.
- Operation is opposed blade for uniform air flow. This ensures positive control over the air stream.
- Damper blades can be lever operated from the face opening.
- Listed height in mm 75, 100, 150, 200, 250, 300 mm.
- Non standard sizes available as option.