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The current at the outlet when starting the magnetic pump is normal, but there is an overcurrent at the outlet. What could be the reason? Please advise, thanks

2020-08-04 View Original

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The current at the outlet when starting the magnetic pump is normal, but there is an overcurrent at the outlet. What could be the reason? Please advise, thanks
Reply #2 2020-08-04
Is there nothing wrong with the motor equipped with the pump?
Reply #3 2020-08-05
For new or old pumps, check the specifications to see if there have been any changes, as well as the density and composition; also determine whether the magnetic rotor is weakly magnetic or partially demagnetized.
Reply #4 2020-08-05
It’s an old pump; I’ll take a look. Thanks

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