3 inches (75 QJ) deep well submersible pump
75QJ (3 inches) oil-cooled submersible pump

     3 inches of stainless steel submersible motor is a well with oil-filled submersible induction motor, its main parts are made of stainless steel and cast iron copper alloy, high density, corrosion resistant, rust, mechanical sealing, and pollution.

main feature:
1, lightweight, small size, full head, full voltage, suitable for home, civil;
2, oil-immersed motor, built environmentally friendly food-grade white mineral oil, in line with US FDA standards, without any pollution, to ensure the safe use of wells;
3, patch cable, easy to replace;
4, built-in starting capacitor, wiring easy;
5, pressure balanced membrane can withstand high levels of stress, a unique high pressure relief safety devices;

installation: 
1,3 inch "NEMA" standard flange engaging head
2, the level of protection device: IP58
3, Insulation Class: CLASS F grade
4, water PH value of 6.5 to 8.5
5, the maximum depth of 100 meters diving

Working conditions:
1, the content (by mass) in water of not more than 0.01% solids;
2, the water content of hydrogen sulfide is not more than 1.5mg / L;
3, water and chloride ion content of not more than 400mg / L;
4, water pH PH: 6.5 to 8.5.
5, the maximum temperature: 30 degrees Celsius.
6, the maximum depth of 100 meters diving