... equipment Air Lock / rotary feeder / rotray valves Air Lock / rotary valveIn 1999 our company began to introduce the special technology from Sanko Air Plant ... GR*, AGR*, MGR*(*IS Sanko Air Plant Ltd technology). GRL, GRV, ROD, RVB have 28 machine number, 50 spec, 120parameter; GR ... FN type accelerating chamber has 2 machine number, 8 spec, and deflate chamber, 1 machine number, 2 spec. The rotary ...