... need different input power. 2.Efficiency is higher Unloading pump Unloading pump can transfer medium that is from low viscosity to ... processing and agriculture industries.Such as:conveying sewage,waste oil,mud water,mining waste,waste fuel oil,lime white,washing ... a unit,which facilitates crane or forklift to moveStructural characteristicsThe pump adopts the meshing rotation of two elliptical arc cam ...