Steel ventilation grill DGW

rectangular

Damper units with opposed action blades and blades for air direction control Nominal sizes 225 × 75 – 1225 × 525 mm Perimeter angle section frame Type DGW damper units for supply air and extract air Adjustable blades for volume flow rate balancing Adjustable blades for air direction control For installation into rectangular ducts Nominal length: 225, 325, 425, 525, 625, 825, 1025, 1225 mm Nominal height: 75, 125, 225, 325, 425, 525 mm Angle section frame Adjustable transverse opposed action blades for flow adjustment Individually adjustable, transverse blades for air direction control Flow adjustment: Centrally supported blades Air direction control: Asymmetrically supported blades Angle section frame without fixing holes Angle section frame and blades made of sheet steel Angle section frame and blades dip coated RAL 9005, jet black Maintenance-free as construction and materials are not subject to wear Inspection and cleaning to VDI 6022