... in food and beverages, chemicals, ph The rotator pump calls colloid pump , trefoil pump , sole pump etc., which are widely used in food and ... of cam and rotor transfer pump1.compare with centrifugal pump (pump milk) : centrifugal pump because of its simple structure, low cost and has ... , emulsion, etc. pills Pulp6. Chemical Industry : dye, fat solvents, and polymer resin Rotary pump