... 4. good reputation High quality 4" 6" electric borehol Pump for deep well borehole pump , borehole water pump , franklin submersible , ... submersible pump (ESP)) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly ... are found in many applications. Single stage pumps are used for drainage, sewage pumping, general industrial pumping and slurry pumping. ...