DOUBLE DEFLECTION GRILLE & REGISTER

DDG and DD Rare grilles with two set of blades-vertical and horizontal used to defect air in both the horizontal and vertical directions. DDG is a grille without opposed blades damper (OBD) and is commonly used as a side wall return air grille. DDR is provided with opposed blades damper (OBD) to facilitate precise air volume control. DDR is usually used as a supply air register on side wall applications. Frames and blades are made of extruded aluminium alloy 6063 to T6 Heat Treatment.

Flanges are available in 10,13,20,25 and 30 mm width.

Grilles and Registers can be supplied in any of the following standard widths- 150mm (6”), 200mm (8”), 250mm (10”) & 300mm (12”).Non-standard sizes can be ordered to suit the designer specifications.

OBD are easily removable and attached to the frame by means of(S) clips to ensure tight grip and maximum flexibility. The damper is made of extruded aluminium bars. The damper opening is easily adjusted by means of a control lever that is driven by a screw driver from the front face of the register.