Double Deflection Grilles

The SuperAir Double Deflection Grille, DGD and Single Deflection Grille, SGD are the SuperAir plastic diffuser& grille is designed for ceiling exhaust or supply air applications. It is made from impact-resistant UV-stabilised ABS. Suitable with a large range of wall-mounted and in-line fans. Adjustable concentric cone -Achieves better air distribution. The following is the introduction of Double Deflection Grilles, hoping to help you better understand it. Welcome new and old customers to continue to cooperate with us to create a better future!

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Product Description

Double Deflection Grilles

1.Product Introduction

The SuperAir Double Deflection Grille, DGD and Single Deflection Grille, SGD are front horizontal are generally used in walls for supply / return HVAC applications. The frame and blades are of high quality extruded aluminum profiled construction with the advantages of corrosion resistance and rigidity. Grilles have two sets parallel aerofoil blades with one set mounted horizontally on the front and other set vertically at the rear. Frame is separated from aerofoil deflection blades by nylon bushings. This method of assembly ensures quiet, smooth and rattle free operation. Deflection blades can be adjusted manually and individually, to provide air deflection in both horizontal and vertical planes. Maximum effective pressure areas can be achieved when the blades are positioned at 0° position.

2.Product Parameter (Specification)

DGD/SGD	Duct Diameter(mm)
DGD/SGD	Min.	Max
425x75	150	400
525x75	150	400
625x75	150	400
425x125	315	900
525x125	315	900
625x125	315	900
825x125	315	900
1025x125	315	900
425x175	450	1200
525x175	450	1200
625x175	450	1200
825x175	450	1200
1025x175	450	1200
425x225	600	1400
525x225	600	1400
625x225	600	1400
825x225	600	1400
1025x225	600	1400

3.Product Feature And Application

Installed directly on a circular duct without frames or other fastening devices. Used for large locations where the circular duct is visible, e.g. in warehouse, factories, workshops, gymnasiums etc. Fits round ducts in dim. 150-1400mm. Made from galvanized steel sheet, alternatively can be supplied powder coated in RAL colour. The vanes can be adjusted manually and individually to obtain an optimal air distribution. Accessories and mounting: Inclined sliding damper Visible screw mounting.