Avoid catastrophic slurry pump cavitation C avitation is a serious and costly issue that can occur in centrifugal slurry pumps . Are you struggling with your centrifugal slurry pump? Maybe you’re dealing with serious pump damage, ranging from pump housing failure to impeller destruction. Perhaps you’re baffled by excess energy usage. Or, possibly most obvious of all, you could be hearing distinct popping noises while your pumps are operating. What is cavitation? From a technical standpoint, cavitation occurs when the absolute pressure at the eye of the impeller reaches the vapor pressure. At this pressure, bubbles or “cavities” form in the liquid. As the bubbles move from the low pressure area near the impeller toward the high pressure area surrounding the pump discharge, they implode. These little implosions of collapsing bubbles cause loud popping noises, which operators can hear externally while their pumps are operating. Internally, this repeated popping creates sh...
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