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Water valve flow coefficient CV value range online calculator

Cv is the flow coefficient of the liquid, which represents a pressure drop of 1 lb/in2 per gallon (GPM) of 60oF.

Expressed in volume flow

Calculation formula: \(C_v = q (SG / dp)^{1/2}\) (1)

among them:

q = water flow (US gallons per minute)

SG = specific gravity

Dp = pressure drop (psi)


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