Free Venturi meter calculator to ISO 5167-4:2022. Flow rate, throat sizing, beta ratio, discharge coefficient, expansibility, permanent pressure loss, cavitation, Mach and GUM uncertainty, with printable tables and worked examples.
FlowStack by Aienginear: 13 free process and hydraulics calculators for line sizing, Darcy-Weisbach pressure drop, pump NPSH, control valves (IEC 60534) and ISO 5167 flow meters, with a quick line and NPSH checker.
33 free engineering calculators from Aienginear for pipe sizing, pressure drop, PSV relief, ASME VIII vessels, control valves, flow meters, flange torque and hydrotests. Printable, standards-referenced, no signup.
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