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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
1” rim size (2” larger than nominal duct size / order size)
remove the two center cones as a unit and reposition the six screws
Fractional Sizes
CB40 - four way * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * CB40 O - recessed screwdriver operated opposed blade damper * Square to round No Labor Collar (square sizes only) * 700 CB and CB T - T-Bar mount * SCB - steel version * Tamper proof screws * Standard Color
Maximum single section size 24"x24"
Parallel Blade Volume Damper 3000P-70X46 Smoke-Fire Damper 1” rim size (2” largerh3. 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
US$ 429.00
US$ 522.00
US$ 483.00
