Single deflection curved duct grilles and registers are recommended for applications requiring pattern adjustment in a single horizontal or vertical plane.
The innovative design incorporates a unique frame rolled to match the required duct radius. The grille frame mounts flush with the spiral/curved duct.
Spacing between maintains high effective area, which minimize outlet velocity, reduce pressure drop and assures quite operation.
Curved duct grilles with integral volume control damper. Dampers are opposed blade design with screwdriver slot operator
