What is the reason for the shedding of the impeller nut of the self-priming pump?
Leave the impeller nut off. This situation requires the pump to stop after the pump inlet and outlet valve off one line, to avoid liquid reflux.
When the pump is stopped, the reverse flow of the pump is caused by the automatic return of the liquid in the outlet pipe,
Generally appear impeller nut fall off and stop the pump when the liquid reflux related
