... consists of Feed Hopper, Butterfly Valve, Pump Case, Impeller, Mechanical Seal for Principal Axis, Water Cooling Cover, Pump Base, Belt Drive Unit ... , and Motor, etc. For operation, motor drives principal axis, and impeller, through belt, to ... Then, the pump conveys the mixture. Here is the specifications for our powder dosing pump:1) Capacity: 20 Tons/Hour2) Impeller ...