Opposed Blade Volume Damper 3000-0BD-60X36 Residential Registers & Grilles 055 T6 extruded aluminum frame

055 T6 extruded aluminum frame * 90% free area * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 600 O - opposed blade damper * No Labor Collar - Square to round (square sizes only) * 600 T - T-Bar mount * 1/2" x 1/2" x 1" Lattice or 1" x 1" x 1" Lattice * Fractional sizes

Ceramic fiber blade insulation with fiberglass cover*

HVL Series Submittal

For damper free area chart A click here * 2663 - Out-of-Airstream fire door

SD52 - Transition Box Spiral Pipe Grille (Single Deflection)

Opposed Blade Volume Damper 3000-0BD-60X36 Residential Registers & Grilles 055 T6 extruded aluminum frameh3. 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.