PGZ series centrifugal machine is a kind of intermittent-operation filtering type auto centerfugal machine..It is suitable for separating floatation liquid whose solid grain is=0.01mm,such as separating solid and liquid which contains grains,crystalloid or whisker.The machine is composed of a main machine and electric control system.Comparing with a normal three-feet unloading type centerifugal machine,PGZ series has advantages,such as high production efficiency,low labor strength,steady running,easy operation and so on.It can be widely used chemical,light industry,pharmacy,food,metallurgy and other industrial fields.