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Dampers above 80 square inches free area will be provided with blade insulation
Install with louvers in up or down position for best duct concealment
Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
950 Series Engineering/Performance Data
Volume Damper Low-Leak OBD 3000-0BDLL-68X50 past 12 months Please contact us for 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.
US$ 65.00
US$ 68.34
US$ 154.22
