In the November 2022 InTech Focus article, Specifying Severe Service Control Valves, Emerson’s Justin Goodwin describes techniques for correctly choosing control valves for severe service applications.
Educational Video on Control Valve Cavitation
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...
Reducing Pressure across Valves in Stages
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...
Preventing Cavitation in Liquid Applications
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...
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