The pump is widely used for homogenizing and fine material liquids or made the material liquids to form high-pressured spray.It is widely used in the production of milk,cold drink,beverage,edible chemicals,and areas such as pharmacy,biology and etc.When the materiak liquid is homogenized under high pressure,the liquid delaminatio can be prevented or reduced while the fineness,cleanliness,looseness and inner quality can be improved.