Centrifugal Pump Fault Diagnosis
Here are many faults associated with Centrifugal pumps.
| Symptom | Cause |
| Pump won't start | No power to pump |
| Liquid too viscous or heavy | |
| Jammed impeller | |
| No discharge flow | Pump not primed |
| Discharge head too high | |
| Insufficient NPSHa | |
| Restricted flow into the pump | |
| Liquid too viscous or heavy | |
| Less discharge flow than expected | Discharge head too high |
| Air leak into the suction pipe | |
| Insufficient NPSHa | |
| Restricted flow into the pump | |
| Wrong motor rotation | |
| Liquid more viscous than expected | |
| Motor overheating or over FLA | Discharge head too low |
| Phase dropped out | |
| Wrong voltage | |
| Undersized motor | |
| Liquid more viscous than expected | |
| Noisy pump | Insufficient NPSHa |
| Discharge head too low | |
| Mis-aligned motor/coupling | |
| Entrained gasses | |
| Air leak into the suction pipe | |
| Worn pump parts | |
| Dry bearings | |
Centrifugal Pump Repair
AxFlow UK have been repairing centrifugal pumps for decades.
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Pump Repair
AxFlow are one of the UK's leading pump repairs and offer local support across the country from our 5 regional bases.
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