Volume Damper Low-Leak OBD 3000-0BDLL-36X34 Step Down Ceiling Diffuser Square or rectangular ceiling radiation

Square or rectangular ceiling radiation butterfly damper

*Pricing is based on standard 14 GA steel construction

SUBMITTALS 907 Series Submittal

Square or rectangular for vertical mount only

Standard Features * 2633 - Square or rectangular out-of-airstream fire damper for vertical mount only

Volume Damper Low-Leak OBD 3000-0BDLL-36X34 Step Down Ceiling Diffuser Square or rectangular ceiling radiationh3. 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.