The LW series decanter is a kind of automatic sediment centrifuge that can be operated continuously and discharged by a screw conveyor, which has reliable quality and can be used widely in different industries. It can automatically indicate main technical parameters, with a mixture flow of counter-current and co-current. It is an ideal equipment for different kinds of liquid separation, liquid from solid, and different solid grading materials separation. It is widely used in petro chemistry, chemistry, food, pharmaceutical, environmental protection sectors.