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3/16” crossbars
12" and 14") * HVD OR - factory installed opposed radial damper (sizes 6"-14") * HVD FR - U
Extruded aluminum frame with signature line marks
Square or rectangular for vertical mount only
Designer Color or Satin Anodized Finish available on this product
Volume Damper Low-Leak OBD 3000-0BDLL-22X18 past 12 months 3/16” crossbarsh3. 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.
