A. Double entry impellers are identical when seen from both the sides and can be used either way and actually no marking is necessary B. Even if the impeller is wrongly placed, the pump can still function if we change the phase sequence of the driving electric motor C. Hit and trial method will be used by assembling the pump and trying it out after putting the impeller in one way D. Direction of rotation and/or the shape of the volute casing will help you to put the impeller in the correct way « Previous Next »
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