Opposed Blade Volume Damper 3000-0BD-62X56 Commercial Extruded aluminum frame with steel

Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper

Steel construction

For evaporative coolers or central blower systems

Allows for 2-way airflow adjustment

Hinged perforated face with screwdriver access to release

Opposed Blade Volume Damper 3000-0BD-62X56 Commercial Extruded aluminum frame with steelh3. 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.