Parallel Volume Damper Low Leak 3000PLL-58X42 Smoke-Fire Damper For evaporative cooling or high-velocity

For evaporative cooling or high-velocity exhaust applications

3/16” crossbars

Fits 1x1 ceiling grids (collar size 6"-10")

round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U

Parallel Volume Damper Low Leak 3000PLL-58X42 Smoke-Fire Damper For evaporative cooling or high-velocityh3. 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