Volume Damper Low-Leak OBD 3000-0BDLL-26X18 Accessories Louvers will be Parallel to

Louvers will be Parallel to the First Dimension

14" and 16" Options * Field installable Bowtie Damper (BD) * HL OR - factory installed opposed radial damper (sizes 6"-14") * HL FR - U

For damper free area chart B click here * 2665 - Round fire door for vertical mount only

Standard Features * Gang-operated opposed blade radial volume control damper for use with RD Series Round Diffusers * Available in 2" increments from 6"-24"

For evaporative coolers or central blower systems

Volume Damper Low-Leak OBD 3000-0BDLL-26X18 Accessories Louvers will be Parallel toh3. 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.