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Posts Tagged ‘Cavitrol III’

Educational Video on Control Valve Cavitation

Posted in Final Control Element on Tuesday, March 28th, 2017. No comments yet
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Wikipedia defines cavitation as: …the formation of vapour cavities in a liquid – i.e. small liquid-free zones (“bubbles” or “voids”) – that are the consequence of forces acting upon the liquid. It usually occurs when a liquid is subjected to rapid changes of pressure that cause the formation of cavities where the pressure is relatively […]

Reducing Pressure across Valves in Stages

Posted in Final Control Element on Friday, May 23rd, 2014. 2 comments so far
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In the third video in cavitation reduction series, Cavitation Mitigation Part 3 (2:52), Emerson’s Melissa Niesen describes how pressure reductions can be done in stages to avoid cavitating conditions in the liquid flow through a pipe. Melissa explains how Cavitrol III trims for Fisher globe and angle valve bodies can reduce the pressure in stages […]

Preventing Cavitation in Liquid Applications

Posted in Final Control Element on Wednesday, May 21st, 2014. No comments yet
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In the Fisher Valve & Instruments YouTube series on reducing cavitation in your process flows, the 3-minute second video, Cavitation Mitigation Part 2 shows a split line demonstration of cavitation. I highlighted Part 1 in yesterday’s post, Reducing Cavitation in Piping. Emerson’s Melissa Niesen, shows the difference in flow patterns across a thick plate in […]