pneumatic conveying equipment Air Lock / rotary feeder / rotray valves Rotary feeder / rotary valveIn 1999 our company began to ... and manufacture rotary feeders. UP to now, our companys rotary feeder have eight type, GRL, GRV, ROD, RVB, HR, ... chamber, 1 machine number, 2 spec. The rotary feeder, which transportation capacity reach 0.5-200 t/h, ... difference trade, medium, and work status. Rotary Feeder