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Pump Sizing Calculator

Sizing for centrifugal pumps

Fluid data

Density: kg/m³
Viscosity: Pa·s
Vapor pressure: kPa

Centrifugal pump sizing

Inputs (Centrifugal)

Hydraulic Power: kW
Shaft Power: kW
Total Head: m
Note: Calculations assume steady-state and do not account for NPSH and minor losses (fittings/valves). Friction losses are estimated via Darcy – Weisbach using the Haaland/Swamee-Jain approximation for f.