What does it mean to evacuate a pump?
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What is the precise definition of pump evacuation? What causes it to occur? Does it happen with both centrifugal pumps and positive-displacement pumps?
The reason for the delay is clear: the medium cannot get through. The reason is that when looking for pipes and filters, vacuuming will definitely occur. However, more attention should be paid to cavitation that occurs after evacuation; this mainly applies to centrifugal pumps. Of course, volumetric pumps can also experience cavitation, but its impact and damage on the pump are not as severe as those caused by centrifugal pumps
This post was last edited by wuchangjian on 2018-6-7 at 11:44. There’s no time available, and the incoming traffic is not sufficient to meet the demands. It might be a problem with the inlet pipeline: insufficient medium, or excessive resistance in the pipes. Or it could be due to issues with the pump itself, such as damaged impellers, etc. . .
Low inlet pressure, low flow rate, a clogged inlet filter, mismatched media, cavitation, and other factors can all cause evacuation!