Volume Damper Low-Leak OBD 3000-0BDLL-66X20 past 12 months * 2534 - Square or

* 2534 - Square or rectangular spring actuated (6) for horizontal or vertical mount

Options Recessed screwdriver operated Opposed Blade Damper

SD52 Series Performance Data

Install with louvers in up or down position for best duct concealment

Extended sleeve (2751)

Volume Damper Low-Leak OBD 3000-0BDLL-66X20 past 12 months * 2534 - Square orh3. 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.