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Fluid calculator
Pump Hydraulic Power Calculator
Phyd = ρ·g·Q·H / 1000. Shaft power = Phyd / pump efficiency.
Inputs
Result
Hydraulic power
8.18 kW
Shaft power required
11.68 kW
Recommended motor size (10% margin)
12.85 kW
Notes & assumptions
- For slurries, multiply Phyd by the slurry density ratio and de-rate efficiency further (10–25%).
- Always confirm NPSH available exceeds NPSH required at duty point.
Need a centrifugal, slurry or chemical pump?
Tunnel Fox supplies KSB, Grundfos, Warman, Sulzer and equivalents.
