Volume Damper Low-Leak OBD 3000-0BDLL-52X22 Commercial 3% maximum leakage with a

3% maximum leakage with a pressure differential 3" W

700MA Series Engineering/Performance Data

904 - Double Deflection Adjustable Aluminum Blade Grille For a 14" x 12" Duct Opening (front blades parallel to shortest dimension)

Designer Color or Other Finish available on this product

Volume Damper Low-Leak OBD 3000-0BDLL-52X22 Commercial 3% maximum leakage with ah3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.