SINGHASINI Rotary feeders / Airlock Valves are used at the bottom of Bins, Cyclones, Dust Collectors or Feed Hoppers to discharge materials at a controlled rate or act as an Airlock. They are also used to introduce materials into positive or negative conveying systems. A Rotary Feeder / Airlock Valve consists of a rotor which turns at a given RPM in close clearance to it’s casing thus maintaining a uniform rate of material flow and provides a seal. Material of construction is C.I. / M.S. / SS316 / SS304 or any other as per the nature of product .