After 2-3 hours of running pump yesterday, we found that the stator and rotor of the pump scratched. We want to find the cause of this problem urgently, because it makes lifetime of stator too short.
After 2-3 hours of running pump yesterday, we found that the stator and rotor of the pump scratched.We want to find the cause of this problem urgently, because it makes lifetime of stator too short.