Frame is constructed from galvanized steel sheet. Joints are welded and protected by aluminium spray coating.Blades are coupled by external concealed linkage, which can provide either parallel or opposed blade operation.Linkage rods are coupled with hand locking quadrant with open and close marking. Hand locking quadrant frame is marked to show exact position of damper.Structure is available with flanged edges and are supplied un drilled as standard.Dampers without flanges available as option for duct insertion purpose. Flanged edges with drilled holes are also available.Available in square and rectangular sizes.Designed for use in heating, ventilating and air conditioning systems.
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Piyush Patel (Fairflow Ventilation Services)
887/4, Nr. Kiran Motor Workshop GIDC, Makarpura Vadodara - 390 010 Gujarat - 390010, India
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