Fluids, hydraulics and flows
Pump affinity laws
Estimates the change in the same pump's parameters with speed.
Related calculators
NPSHa and NPSH margin
Calculates NPSHa from absolute pressure and compares it with manufacturer NPSHr.
Pump efficiency
Calculates efficiency from hydraulic power and shaft power.
Pump head from pressure
Converts pump pressure rise to head.
Pump hydraulic power
Calculates hydraulic power from density, gravity, flow rate, and pump head.
Pump pressure from head
Converts pump head to pressure rise.
Pump shaft power
Calculates required shaft power from hydraulic power and efficiency.