2-step piston material-pushing centrifugal macine model HR is a new type of automatic filter-type centrifugal macine which has introduced overseas advanced technology with the advantages of continuous input and output of material.With its full speed, input of material, separation, large quantities of output, small area coverage, high automation etc.It is widely used in the industries of chemicals, fertilizer, food, inorganic salt, salt etc.The machine corresponds to GMP series design.