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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Available 4" thru 28" round
enclosed in valve to assure trouble-free operation
Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
Extruded aluminum frame with signature line marks
Curved saddle with gasket provides airtight fit to spiral pipe
Opposed Blade Volume Damper 3000-0BD-14X20 Commercial Available 4" thru 28" 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.
