Butterfly valve CV
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Which expert has a table of CV values corresponding to control butterfly valves?
For reference, other types vary, but not significantly
You can only turn to the manufacturer of the valve you are using. Not every valve has the same CV. The CV values of centerline butterfly valves, two-eccentric butterfly valves, and three-eccentric butterfly valves are all different. The rated CV value should be specified in the valve’s factory data sheet.
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