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Use consistent units and the requested inputs.
Country-neutral calculator for Pump System Analysis - Temiz Water Pompasi Shaft Power.
Use consistent units and the requested inputs.
Use the main result and breakdowns as a planning estimate.
For regulated topics, verify current local rules before acting.
Shaft power [kW] = density [kg/m³] × 9.81 × flow [m³/h]/3600 × total head [m] / (1000 × pump efficiency fraction).
Example input values: density = 1000, flow = 20, head = 25, eff = 70. Calculated result: 1.946428571 kW. Results at other operating conditions can differ.
Shaft power [kW] = density [kg/m³] × 9.81 × flow [m³/h]/3600 × total head [m] / (1000 × pump efficiency fraction).
Pump efficiency must be from the actual duty point; head is total dynamic head; motor, VFD, and piping changes are excluded.
Review the values and units used by this calculator before calculating.