Parallel Volume Damper Low Leak 3000PLL-58X42 Smoke-Fire Damper round collar only) * 830

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

Standard Features * 2601 - Square or rectangular for vertical mount only

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

Blades run parallel to longest dimension

3/16” crossbars

Parallel Volume Damper Low Leak 3000PLL-58X42 Smoke-Fire Damper round collar only) * 830h3. 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