Parallel Blade Volume Damper 3000P-40X34 Smoke-Fire Damper Standard Features * Adjustable curved

Standard Features * Adjustable curved blade

Maximum size 60"x48"

53% free area * 1306: 3/4" lattice opening

Standard Features * Use in applications for installing round without damper * Steel galvaneal construction

1" and 1 1/2"

Parallel Blade Volume Damper 3000P-40X34 Smoke-Fire Damper Standard Features * Adjustable curvedh3. 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