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Question:

What is the series of pumps? What's the difference between a unipolar and a multistage?

What is the series of pumps? What is the difference between a unipolar and a multilevel? What is the meaning of each "first class"?

Answer:

You're talking about a centrifugal pump. His series says the number of slices of the impeller (excluding the wheel, that is, the wheel)
Jul 31, 2017
Each impeller is of the first stage. (two impellers share only one level, and exit is only level one)
Jul 31, 2017
A single-stage pump is a pump with only one impeller. 2, a multistage pump is a pump with two or more impellers. The multistage pump can increase the pressure and lift the head higher. Level 1 means a booster impeller.
Jul 31, 2017

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