Parallel Volume Damper Low Leak 3000PLL-52X22 past 12 months Performance Data With Opposed Blade

Performance Data With Opposed Blade Damper

remove the two center cones as a unit and reposition the six screws

Standard Features * 1" rim size (2" larger than nominal duct size) * 14 gauge steel * 1305: 1/2" lattice opening

12" and 14") * HVD OR - factory installed opposed radial damper (sizes 6"-14") * HVD FR - U

3 or 4 way patterns * Spring push release for easy access to adjust pattern controllers * Round No Labor Collar sizes: 6-10"

Parallel Volume Damper Low Leak 3000PLL-52X22 past 12 months Performance Data With Opposed Bladeh3. 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