Volume Damper Low-Leak OBD 3000-0BDLL-40X24 Commercial Curved saddle with gasket provides

Curved saddle with gasket provides airtight fit to spiral pipe

Available in 4" through 29" round

Hand operated level for easy filter access and cleaning

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

14" and 16" * Soft White Options * 825 MA - modular core fixed blade diffuser with field adjustable air patterns * Field installable Bowtie Damper (BD) (sizes 6-14") * 825 OR - factory installed opposed radial damper (sizes 6"-14") * 825 FR - U

Volume Damper Low-Leak OBD 3000-0BDLL-40X24 Commercial Curved saddle with gasket providesh3. 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.