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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
Standard Features * For large volume air delivery * For evaporative coolers or central blower systems * Adjustable directional dampers with shut-off * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White
RD Series Engineering/Performance Data
Standard Features * 2561 - Square or rectangular fire door for vertical mount only
Fractional Sizes
Volume Damper Low-Leak OBD 3000-0BDLL-26X22 Commercial Standard Features * For largeh3. 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.
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