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Rated Cv of Valve

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Sid89

Mechanical
Sep 14, 2019
41
Hello everyone. I am new to the Valve Engineering profession. I would like to know:

How to calculate the rated Cv of a valve with a full port ball and V-port ball?

I need to know the mathematical/analytical method of calculating the rated Cv.

Thanks,

Syed
 
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Cv is a measure of flow rate (GPM) of 60F water at various positions of valve travel.

The method is an empirical test via installing the valve in a flow rig and running the test.
 
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