Volume Damper Low-Leak OBD 3000-0BDLL-66X62 T-Bar 165° standard * All sizes

165° standard * All sizes utilize one main curtain stay * Galvanized finish h3

Standard Features * Universal Collars for T-bar supply and returns * Soft White Finish * Available for 6" to 14" round duct in 1" increments

linkage and handle enclosed in valve to assure trouble-free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Steel multi-shutter damper * Soft White Options * 200 O - steel lever operated opposed blade damper * Tamper proof screws * Standard Color

2x4 T-Bar (20" x 44" duct)

700 CB20 - two way

Volume Damper Low-Leak OBD 3000-0BDLL-66X62 T-Bar 165° standard * All sizesh3. 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.