Pump Performance Calculator - Power, NPSHa, Specific Speed and Affinity Laws
- Pump Power Calculator: Calculate fluid, shaft and electric power for pumps - NPSH: NPSHa(NPSH Available) is calculated from the suction side configuration taking into account friction losses and the vapour pressure of the pumped fluid. - Specific Speed: Specific Speed is a rating of pump discharge performance derived from an equation involving shaft speed, flow rate and head. It is an important factor used in the design and selection of pump's impellers. - Affinity Laws: Pump affinity laws are a set of equations that predict how a pump's performance changes when its operating conditions change.