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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less
Nylon bushings on adjustable blades to prevent metal on metal rattle
Countersunk mounting holes for flush appearance with color matching screws
Available 6
CB10 Engineering/Performance Data
Opposed Blade Volume Damper 3000-0BD-50X30 Step Down Ceiling Diffuser Designed for protection of ceilingh3. 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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