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Centrifugal Pump Minute

All things relating to centrifugal pumps

Griswold's platform to provide educational resources for centrifugal pump technology and industry news.

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Centrifugal Pump Minute

The Griswold "Centrifugal Pump Minute" blog is the go-to platform for all things relating to centrifugal pumps. Posts focus on providing educational resources for centrifugal pump technology, but also touch on other relevant industry news.

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Installation & Operation

Determining available system NPSHA

In this Centrifugal Pump Minute, James Farley, Griswold Product Manager, reviews how to determine available system NPSHA for a pump that is installed and operational.

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Operating at Best Efficiency Point

Installation & Operation

How to Measure Total Dynamic Head

In this Centrifugal Pump Minute, James Farley, Griswold Product Manager, discusses total dynamic head, and its importance when assessing a pumps performance in the field.

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CPM Posts

The Important Role of Shaft Seals on Your ANSI Centrifugal Pump

A leaking ANSI centrifugal pump can create costly, time-consuming repairs and potentially hazardous working conditions, making proper sealing techniques crucial in pump set-up and maintenance. No matter the type, your pump’s shaft seals should be inspected and replaced regularly as part of essential centrifugal pump maintenance. In this Centrifugal Pump Minute, we discuss the importance of shaft seals and the options available for your ANSI centrifugal pump.
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Your Guide to Centrifugal Pumps

Need to understand how to read a centrifugal pump performance curve? Looking to learn about the differences between multiple impeller designs? Ever been curious about the history of centrifugal pumps? You’re in luck! Check out this comprehensive centrifugal pump guide.
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Self-Priming Pumps or Suction Line Check Valves

In an ideal pumping scenario, your pump will always be located beneath the fluid level, allowing gravity to easily feed the fluid into the pump, thus completing the priming process. However, when an application calls for the pump to be located above the liquid level, which of these is a more robust and reliable solution: a) a self-priming centrifugal pump or b.) an end suction pump with a check valve? For the answer, check out our latest Centrifugal Pump Minute.
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Pump Inspection - ANSI Centrifugal Pump

Why is centrifugal pump inspection so important? Simple: by following a centrifugal pump inspection process, you can help ensure safe and reliable pump performance. But what does this process involve? Read our Centrifugal Pump Minute for answers.
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Maintaining Alignment on ANSI Centrifugal Pumps

One of the primary causes of centrifugal pump vibration is misalignment, but this can be controlled by monitoring, and – if necessary – realigning the pump and motor shafts. In fact, not only is pump alignment a critical factor in eliminating pump vibration, but it can also help eliminate other pump problems and avoid total pump failure. In this Centrifugal Pump Minute, we provide the steps pump operators should follow to ensure both the pump and motor shafts are aligned.
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