Parallel Blade Volume Damper 3000P-70X46 Smoke-Fire Damper Lever operated steel multi-shutter damper

Lever operated steel multi-shutter damper

Maximum single section size 24"x24"

SD34 - Transition Box Spiral Pipe Grille (DOUBle Deflection)

1” rim size (2” larger than nominal duct size / order size)

1x2 T-Bar (10" x 22" duct)

Parallel Blade Volume Damper 3000P-70X46 Smoke-Fire Damper Lever operated steel multi-shutter damperh3. 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