In many cases, this is caused by mixing of solid matter into the pump’s transport liquid. Select an appropriate mesh size for the inlet strainer. It is possible to use sliding rings with high sliding capability materials, so please consult with us.
Rotating, but water does not come out. Discharge quantity is not enogh to specified capacity.
Over load (Overcurrent) occurs.
Excessive water leakage from stuffing box
Electric motor does not work well with noise.
Water comes out at first, but it doesn't come out soon.