Theory: Centrifugal Pump Structure: Piston Pump Usage:Water Power:Electric Standard or Nonstandard:Standard Fuel:Diesel Pressure:Low Pressure Application:agriculture industry Suction & discharge port diameter:80 mm(3") Rated capacity:30.0 CU.M h Self-priming time:120s 4m Max. suction head:8.0 m Rotation speed:3600 r min Engine model:KM178 Rated power:4kw