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"A unifying Method for Sizing Throttling Valves Under Laminar or Transitional Flow Conditions", Journal of Fluids Engineering, Vol. 115, No. 1, March 1993, pp. 166–168 Baumann, H. D., 'A Method for Predicting Aerodynamic Valve Noise Based on Modified Free Jet Noise Theories," ASME Paper 87-WA/NCA-728, December 1987.
The use of the flow coefficient offers a standard method of comparing valve capacities and sizing valves for specific applications that is widely accepted by industry. The general definition of the flow coefficient can be expanded into equations modeling the flow of liquids, gases and steam using the discharge coefficient.
The Dresser brand operates in more than 60 countries with four principal business segments: Measurement and Distribution Systems, Flow Technologies, Infrastructure Solutions, and Power and Compression Systems. It retains trade names of Masoneilan, Consolidated, Becker, Mooney, ROOTS, and Wayne fuel pumps.
Valves and their types and identifications (e.g. isolation, shutoff, relief and safety valves, valve interlocks) Control inputs and outputs (sensors and final elements, interlocks) Miscellaneous - vents, drains, flanges, special fittings, sampling lines, reducers and swages; Interfaces for class changes; Computer control system
Traditional control valves make it inevitable. As we size a control valve, the K v calculated almost certainly will not match the K v of the nearest appropriate valve. For example, a K v calculation of 4.5 m 3 /h would most likely lead to the selection of a valve with a K v = 6.3 m 3 /h. This means the valve is capable of delivering 40% more ...
Adding to the complexity, the number of ribs in a stalk can vary significantly depending on the size of the plant. Looking for clues to confirm the proper meaning can sometimes help ensure the ...