Randy Riddell

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Five methods for determining pump operating point

Analyzing a pump operating point can help determine efficiency and reliability of a pump.

Figure 3. Possible mechanical issues to check during hydraulic rerate. All graphics courtesy of Essity

Centrifugal pump hydraulic rerate considerations

Practices for long-term reliability

A pump with an enclosed impeller that is plugged (notice the cigarette lighter). (Courtesy SCA)

8 reasons pumps operate off their curves

While some obvious reasons may cause a pump to run off of its factory-issued performance curve, they are often overlooked upon initial investigation.

5 troubleshooting strategies for oversized pumps

Optimizing oversized pumping systems can save large amounts of energy, as well as make an impact on pump reliability by reducing pump vibration and extending bearing, seal and impeller life.