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Cavitation: Are You Starving Your Pump?
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Most pump users have heard of cavitation or seen the effects of the damage it can do but many don't understand its cause or how to prevent it.
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The science behind cavitation can be explained through variations in pressure. On top of a mountain water boils at a lower temperature than it does at sea level. This is because there is less (atmospheric) pressure on the mountain top than at sea level.
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Pressures at certain areas inside a centrifugal pump can be so low that water will boil at room temperature. By boil, this means the water transitions from a liquid to a vapor bubble. As these bubbles move through the pump, they encounter higher pressure areas and begin to transition back into a liquid. This transition is actually quite violent with the vapor bubbles imploding on themselves. The implosion causes a shock wave that moves through the liquid and is imparted on any nearby surfaces within the pump.
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Read 3 Steps to Reduce the Effects of Cavitation on Your System to learn more about cavitation and what you can do to keep your pump operating efficiently.
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When cavitation is present it can sound like gravel is being pumped through your system. Watch the video below to hear the sounds of cavitation and get a glimpse of what cavitation looks like.
| Demonstration of Pump Cavitation |
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Hypro. Right on Technology, Right on Target.
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