FY series vacuum feeder is widely used for transporting powder, mixed powder and ... in plastic, rubber, dyestuff,pharmaceut Principle The principle of FY series vacuum feeder for powder and granule is as follow: Using vortex ... of nozzle and whole system exist in the state of vacuum. Powder and air are sucked into the nozzle together ... -3Mode2.2500-10003-10FY-4Mode5.5800-15003-10 FY Series Vacuum Feeder