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QJ series of deep submersible pumps is directly connected with motor, which applies to groundwater extraction from deep wells. It can also be used in rivers, reservoirs, canals and other water projects. QJ series of deep submersible pumps is mainly used for irrigation and the mountain plateau drinking water and also for the cities, factories, railways, mines, construction sites for drainage and water supply.
These pumps operate by pushing, rather than pulling, water during its pumping process and are featured as single stage or multiple stages. Each stage of a submersible pump consists of a motor in a casing, closed with mechanical seals to prevent leakage. The motor is connected to a cable that generates power to run the motor, and the casing extends to some sort of pipe or hose leading to the surface. Submersible pumps can be connected to different types of pipes, flexible hoses or wires, depending on the job and the liquid being pumped.