Parallel Blade Volume Damper 3000P-64X52 Smoke-Fire Damper Heavy Duty ConstructionMRI CompatibleInsect Screen

Heavy Duty ConstructionMRI CompatibleInsect Screen

Double deflection radius mount spiral pipe grille with adjustable blades

Fractional Sizes

Standard Features * Extruded aluminum construction * 45 fixed blades parallel to longest dimension * Margin edges are 7/8" projection for baseboard installation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1100FF - flush frame * Fractional and odd dimension sizes * Standard Color

Standard Features * 2x2 panel with fixed 22 gauge steel perforated face * 7/8" fiberglass back (R4 value) * Pattern controllers can be adjusted to 1

Parallel Blade Volume Damper 3000P-64X52 Smoke-Fire Damper Heavy Duty ConstructionMRI CompatibleInsect Screenh3. 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