Volume Damper Low-Leak OBD 3000-0BDLL-44X12 T-Bar with 57% free area

with 57% free area

1 1/2 hour fire resistance rating

850 Series Submittal

Standard Features * 2649 - Round damper for vertical mount only

Standard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets

Volume Damper Low-Leak OBD 3000-0BDLL-44X12 T-Bar with 57% free areah3. 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.