Free Engineering Calculators & Tools
Accurate, standards-based calculators from Valve Engineering Hub — free to use and free to embed on your own site.
Cv / Kv / Av Flow Coefficient Converter
Convert between Cv, Kv and Av valve flow coefficients instantly. Exact IEC 60534-1 constants (Kv = 0.865·Cv), full defin…
Open calculator →Valve Pressure Drop Calculator
Calculate the pressure drop across a valve from flow rate and Cv. Free, instant, in psi, bar and kPa.…
Open calculator →Valve Actuator Sizing Calculator
Size a valve actuator from breakaway, running and end torques with a safety factor. Free engineering tool.…
Open calculator →Flange Bolt Torque Calculator
Calculate flange bolt tightening torque from bolt diameter and target preload using T = K·F·d. Free, with a pipe schedul…
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