pneumatic conveying equipment Air Lock / rotary feeder / rotray valves Rotary feeder / rotary valveIn 1999 our company began to introduce the special ... Ltd. in Japan to design and manufacture rotary feeders. UP to now, our companys rotary feeder have eight type, GRL, GRV, ... number, 8 spec, and deflate chamber, 1 machine number, 2 spec. The rotary feeder, which transportation capacity reach 0.5-200 t ...