Reduce residue oil pump
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Please tell us what type of bottom residue pump you have We have a centrifugal pump; the flow rate was fine before, but now it’s not sufficient. The inlet pipelines and filters were cleaned before starting up the pump – I’m not sure what’s causing this issue
The reduced-bottom pump not being able to deliver sufficient flow may be due to vacuum formation; there are various reasons for this – it could be an excessively low level of the liquid in the reduced-bottom area, or it might be due to the presence of light components. You can try switching to the backup pump and see what happens