Rectangular Industrial Control Dampers - HCD-135

The HCD-135 rectangular industrial control damper has a flanged frame with insulated airfoil blades. Blade Type: Insulated Fabricated Airfoil Pressure: Up to 8½ in. wg (2.1 kPa) Velocity: Up to 4000 fpm (20.3 m/s) Temperature: -40°F to 250°F (-40°C to 121°C)