Opposed Blade Volume Damper 3000-0BD-46X24 Step Down Ceiling Diffuser For evaporative coolers or central

For evaporative coolers or central blower systems

950 Series Submittal

Standard Features * 2561 - Square or rectangular fire door for vertical mount only

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

Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension

Opposed Blade Volume Damper 3000-0BD-46X24 Step Down Ceiling Diffuser For evaporative coolers or centralh3. 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.