What is the working principle of self-priming pump
22 Mon 2021

What is the working principle of self-priming pump

The self-priming pump is favored by many customers in the market because of its versatility, easy operation, high suction lift, high lift, and large flow. What is the working principle of the self-priming pump?

The self-priming pump consists of a motor, shaft core, foot seat, rear shaft seal, rear cover, sealing ring, front shaft seal, impeller, sealing ring, impeller nut, middle cover, one-way valve, pump body, sealing ring, It is composed of drain nut, self-priming barrel gasket, and self-priming barrel, which is convenient for disassembly and replacement.

The principle of the self-priming pump is that the self-priming pump drives the impeller to rotate through the rotation of the motor. At this time, suction is generated. Because there is no water in the rear shaft seal and the front shaft seal motor, there is no need to worry about liquid entering the motor and losing the self-priming function. The liquid enters the pump body through the suction caused by the rotation of the impeller. Because the liquid entering the water inlet is discharged from only one outlet, the liquid sucked in by the rotation of the impeller can only be discharged from the outlet, thus completing the self-priming function. This is the working principle of a self-priming pump.


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