Ball Valve Calculator

Calculate full bore flow capacity, Cv coefficient, and pressure drop for ball valves

Input Parameters

Results

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Valve Cv
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Pressure Drop
PSI
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Flow Velocity
ft/s
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K Factor

Reference

Full-bore Cv ≈ 29.85 × D² ΔP = SG × (Q / Cv)² Velocity = Q / (449 × A) K = 890 D⁴ / Cv²