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Cv ratings
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antman_2
Member Posts: 1
Is the Cv rating of a valve the maximum flow rate allowable through it?
Thanks
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Cv Ratings
The Cv rating as commonly used in the U.S., is the flow rate through a valve (or other device) in Gallons per Minute at a pressure drop of 1.0 PSIG (2.31 feet of head).
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And
The head loss through the valve at a given flow rate is: hl=(1.52*gpm/Cv)^2
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