Screw pump
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Is it a problem to start a screw pump directly without priming it? What if the inlet pipeline is a new one, and the pipeline and pump have not been purged?
Mechanical seals are prone to damage when operating without fluid
Generally, screw pumps are installed at a relatively low height, so there is no need to fill the pump
Hehe, it should be under the condition that the pump is fully filled with water. Don’t even mention whether it’s possible or not, because I don’t know the installation situation of your pump.
In theory, the pump needs to be primed; otherwise, it is easy to damage the pump!