The Alphajet manhole-cleaning nozzle from USB Sewer Equipment Corp. is designed to simplify cleaning with a combination of oscillating and driving nozzles that cuts through accumulated grease and sludge.Made of stainless steel, the unit has a pair of oscillating nozzles that clean and a pair of driving nozzles that produce 360-degree rotation. Powered by water pressure supplied by a high-pressure jetter, the nozzle also can be configured to use four driving nozzles, says Patrick Savio, company vice president.The unit delivers 30 to 80 gpm at 2,000 psi. Threaded, replaceable nozzle inserts are available in stainless steel or more durable ceramic.
