Volume Damper Low-Leak OBD 3000-0BDLL-56X26 Commercial Minimum size is 4"x4"

Minimum size is 4"x4"

102 PC - corner

Options * Sleeve variations h3

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1033 - 1/3" spacing available in limited sizes * A-1050 -

For damper free area chart A click here * 2663 - Out-of-Airstream fire door

Volume Damper Low-Leak OBD 3000-0BDLL-56X26 Commercial Minimum size is 4"x4"h3. 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.