Parallel Volume Damper Low Leak 3000PLL-34X28 Smoke-Fire Damper Non-standard size collar (available in

Non-standard size collar (available in 6" through 20")

3 hour fire resistance rating

14" and 16" * Perforated face with concealed hinges * 2x2 galvaneal steel panel with seismic support hangers * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6-14") * 780 OR - factory installed opposed radial damper (sizes 6"-14") * 780 FR - U

14" and 16" * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6-14"

Parallel Volume Damper Low Leak 3000PLL-34X28 Smoke-Fire Damper Non-standard size collar (available inh3. 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