Knowing that a pump moves water is not enough at this level — you now need to read a pump's own performance curve, understand how it interacts with the piping system it's connected to, and diagnose common problems like cavitation and air binding before they cause equipment damage or service interruptions. This guide moves you from apprentice-level knowledge into journey-level process control and troubleshooting, and it applies whether you're running a treatment plant, a distribution system, a collection system, or a wastewater plant.
Reading a Centrifugal Pump Performance Curve
Every centrifugal pump has a manufacturer-published performance curve (or characteristic curve) that plots total dynamic head (vertical axis, typically in feet) against flow rate (horizontal axis, typically in gpm), for a given impeller diameter and rotational speed. The defining shape of a typica