Parallel Volume Damper Low Leak 3000PLL-62X20 Commercial 904 Series Performance Data

904 Series Performance Data

165° standard * All sizes utilize one main curtain stay * Galvanized finish h3

Square to round 2" collar with roll formed retention bead - available in square sizes only

Square Collar

Parallel Volume Damper Low Leak 3000PLL-62X20 Commercial 904 Series Performance Datah3. 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