Parallel Volume Damper Low Leak 3000PLL-30X26 Specialty Products with 75% free area

with 75% free area

Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern

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

CB40 - four way * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * CB40 O - recessed screwdriver operated opposed blade damper * Square to round No Labor Collar (square sizes only) * 700 CB and CB T - T-Bar mount * SCB - steel version * Tamper proof screws * Standard Color

700 CB20C - corner

Parallel Volume Damper Low Leak 3000PLL-30X26 Specialty Products with 75% free areah3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee 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. Options * 3000 PLL Low Leak Air Control