... sand contentLess than 0.2mmMax medium temperatureLess than 40°CPH6.5-8.5SituationBe immersed in waterApplicationPumping water from deep well, ... , maintenance-free, safe, reliable, energy-saving, efficient;Photovoltaic water pump, Permanent magnet brushless motor, Maximum power point tracking(MPPT)Ambient ... XINYA dc 4 inch 48V screw solar powered solar submersible water pump system (4SPS3.6/80-D48/750)