The pressure in the balance pipe of the centrifugal pump is much lower than before; does this mean that the inlet filter is somewhat clogged?
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What will be the consequences over time?
? ? ? ? ? ? ? ? ? ? ? Do you mean the machine seal flushing tube?
It should be compared with the outlet pressure; if the outlet pressure remains unchanged while the pressure in the balance tube decreases, it can be inferred that the inlet filter is clogged. Over time, gaps may occur.
Is he referring to the balance pipe of a multi-stage pump?
For the balance pipe of a multi-stage pump, the pressure should be as low as possible! I’m a bit confused about your question?