nFrame: High quality extruded aluminium profile with 30 mm flange width as standard. 12, 20, 24 mm flange widths are 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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The frame and blades are of high quality extruded aluminum profiled construction with the advantage of corrosion resistance and rigidity.
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Grilles have two sets parallel aerofoil blades with one set mounted vertically on the front and other set horizontally at the rear
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Frame is separated from 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
