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Sep 23, 2021
The speed ratio of a centrifugal pump refers to the frequency at which the pump shaft rotates in a unit time. Public n stands for Enterprise:r/min. The usual centrifugal pump has the increase of 2900r/min or 1450r/min, while the large centrifugal pump has 970r/min or 730r/min. When the speed ratio is fixed, the total flow rate, pump head and output power are all fixed. The speed ratio of centrifug...