Adopt computer controlling , digital display , not brushes the electrical machinery , can be programmed and operated, there is centrifugal force that is calculated and established automatically. There is the door that overlays , overspeeds etc. and protects the function.
Used in the fields , such as bioengineering , petrochemical industry , pharmacy , countryside ,etc. extensively, special structural design, can separate in succession , one uses and separates for filtering with other fittings full-automatically together too.