... efficiency 4. good reputation High quality 4" 6" electric borehol Pump for deep well borehole pump , borehole water pump ... in many applications. Single stage pumps are used for drainage, sewage pumping, general industrial pumping and ... are typically lowered down a borehole and used for water abstraction, water wells and in oil ... send us inquiry. High quality 4" 6" electric borehol Pump for deep well