⎝⎛斗牛平台⎞⎠

Self-priming pumps are a series of products derived from centrifugal pumps. Generally speaking, self-priming pumps are actually a liquid storage chamber and a vapor-liquid separation chamber added to the centrifugal pump. So that the centrifugal pump has a self-priming function. According to the material self-priming pump can be divided into fluoroplastic self-priming pump, stainless steel self-priming pump, cast iron self-priming pump. According to the structure, it can be divided into magnetic self-priming pump and centrifugal self-priming pump. The working principle is as follows: the pump cavity is filled with liquid before starting, and after starting, the impeller rotates at high speed to make the water in the impeller channel flow to the volute, the inlet forms a vacuum, the water inlet check valve opens, and the air in the suction pipe enters the pump. And reach the outer edge through the impeller channel.
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