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Reasons for insufficient flow rate in a light vertical multistage centrifugal pump
Release time:
2025-01-15
Before starting, please fill the pump with water and open the bleed screw to remove air.
| Frequently Asked Questions | Troubleshooting |
| ① Air in the pump or suction pipe | ① Inject water into the pump before starting, open the vent plug to remove air |
| ② Cavitation | ② Adjust suction height |
| ③ Air leakage in the pump body or suction pipeline | ③ Eliminate air leakage |
| ④ Blockage in the discharge pipe | ④ Clear blockage |
| ⑤ Liquid viscosity exceeds design specifications | ⑤ Adjust liquid viscosity |
| ⑥ Foreign objects in the impeller | ⑥ Inspect and remove |
| ⑦ Wear of inlet sealing ring or clearance between parts in the pump body | ⑦ Replace the sealing ring or adjust the clearance between parts |
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