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Ships within 48 hours · Estimated delivery Oct 23 - Oct 28
Available 4" thru 52" round
102 PC - corner
linkage and handle enclosed in valve to assure trouble-free operation
SD52 - Transition Box Spiral Pipe Grille (Single Deflection)
Standard Features * 2633 - Square or rectangular out-of-airstream fire damper for vertical mount only
Volume Damper Low-Leak OBD 3000-0BDLL-24X14 Accessories Available 4" thru 52" roundh3. 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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