To calculate the flow rate from the flow coefficient (Cv) of a 2/2 solenoid valve, one must first understand the relationship between Cv and flow rate. The flow rate can be determined using the formula Q = Cv × √(ΔP), where Q is the flow rate, Cv is the flow coefficient, and ΔP is the pressure drop across the valve. Testing methodology typically involves measuring the pressure drop and ensuring the valve is operating under specified conditions. Proper calibration and consideration of fluid properties are essential for accurate results. Understanding these steps will clarify the procedure for calculating flow rates using Cv.