Home .Empowering Compressors Blackmer ® Releases Cavitation Video on Harmful Effects of Cavitation and Possible...

Blackmer ® Releases Cavitation Video on Harmful Effects of Cavitation and Possible Solutions

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Contributor: PSG

Blackmer ® , part of PSG ® , a Dover company and a global leader in positive displacement, regenerative turbine and centrifugal pump, and reciprocating compressor technologies, has developed a new video to help illustrate why cavitation occurs, the potential harmful effects it has on pumping components and possible solutions to avoid this common pumping challenge. Click here to access the video. The video can also be found on the Blackmer YouTube channel (https://www.youtube.com/user/BlackmerGlobal).

The solution Blackmer offers to the challenges of excessive cavitation is its unique Cavitation Suppression Liner. Available as a component on Blackmer CRL, LGL, SGL, XL, XLW and TLGF Series Sliding Vane Pumps, the Cavitation Suppression Liner has been specifically developed to eliminate the vibration, excessive noise and pump-component damage that results from cavitation.

The Blackmer Cavitation Suppression Liner defeats cavitation through a design that mutes destruction before vapor implodes. This unique feature creates internal recirculation jets that break apart vapor bubbles before implosion. While the vapor levels are not reduced, the size of each vapor bubble becomes a fraction of what it would have been. The Cavitation Suppression Liner also allows a controlled amount of fluid at discharge pressure to bleed back toward the suction of the pump. This breaks the larger vapor bubbles apart into smaller vapor bubbles before they have a chance to implode. The net result is less noise, less vibration and less wear, which Blackmer verified by conducting side-by-side tests of one of its sliding vane pump models with and without Cavitation Suppression Liners.

For more information on Blackmer, please go to blackmer.com. Blackmer is a product brand within PSG ® ,a Dover company. For more information on PSG, please go to psgdover.com.

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