Volume Damper Low-Leak OBD 3000-0BDLL-46X10 Smoke-Fire Damper 1" and 1 1/2"

1" and 1 1/2"

back blades parallel to longest dimension

450 Series Submittal

Adjustable blades oriented for 3 or 4-way air flow pattern

enclosed in valve to assure trouble-free operation

Volume Damper Low-Leak OBD 3000-0BDLL-46X10 Smoke-Fire Damper 1" and 1 1/2"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.