This standard rotary airlock feeder prevents a pressurized dust collection system from losing pressure while dust and wood chips are being deposited from a cyclone separator into a collection bin, hopper, or storage drum. Whether your are using a positive or negative pressure system the rotary feeder maintains the pressure difference between the inside of the cyclone and the outside deposit area. Typhoon rotary airlock feeders are available for three phase power, and have dumping capacities up to 38 cubic feet per minute. This 3-phase standard airlock rotary feeder has a transfer capacity of 10 CFM and uses a 3 amp, 1/2 HP motor. It also comes equipped with both a 16-inch inlet and outlet port and weighs 77 pounds.