nFrame: High quality extruded aluminium profile with 30 mm flange width as standard. 24 mm flange width as optional.
nBlades: Aerofoil blades from aluminium profiles.
nBlade spacing: 20 mm as standard.
nDamper frame and blades: High quality extruded aluminium profiles with natural aluminium finish. Black matt finish as option.
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This grille is specifically designed for direct mounting on rigid round duct, with a curved face.
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The frame and blades are of high quality extruded aluminium profiled construction with the advantages of corrosion resistance and rigidity.
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Grilles have two sets of parallel aerofoil blades with one set mounted horizontally on the front and other set vertically at the rear.
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Frame is separated from the aerofoil deflection blades by nylon bushings. This method of assembly ensures quiet, smooth and rattle free operation.
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Deflection blades can be adjusted manually and individually, to provide air deflection in both horizontal and vertical planes.
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Grilles are rigidly fixed with opposed blade damper by grippers. Damper blade is screw operated from the face opening.
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Foam gasket is sealed around the back of the frame as option to avoid air leakage.
