Parallel Volume Damper Low Leak 3000PLL-34X24 Smoke-Fire Damper 165° standard * All sizes

165° standard * All sizes utilize one main curtain stay * Galvanized finish h3

1/2" spacing dual angular louvers

Adjustable steel roll formed blades oriented for 1 or 2 way airflow pattern

Access door with 1-3/8" deep steel roll formed frame

055 T6) surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of airfoil blades * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Single deflection diffuser with adjustable airfoil blades * Airfoil blades are parallel to longest dimension * Allows 2-way air deflection on one plane * Soft White Options * 901 O - with recessed screwdriver operated opposed blade damper * 1331 and 1332 Series - stainless steel single deflection * Fractional

Parallel Volume Damper Low Leak 3000PLL-34X24 Smoke-Fire Damper 165° standard * All sizesh3. 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