August 2001

Misc

Avoid control valve application problems with physics-based models

Kinetic energy criteria have many limitations

K. W. ROTH, Consumer Durables Group, Arthur D. Little, Cambridge, Massachusetts; and J. A. STARES, Dresser Flow Control, Masoneilan Operations, Avon, Massachusetts       Comments? Write: editorial@HydrocarbonProcessing.com Control valves play a central role in the control and optimal performance of a myriad of industrial flow processes. In "severe service" applications, control valves are equally crucial for safely dissipating high process fluid energy levels to avoid valve and piping damage from acoustic noise, vibration, cavitation and erosion. To varying degrees, all of these potentially damaging phenomena scale with flow v

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