Tag Archives: pumps

Troubleshooting Pumps with Low Discharge Rates

You just replaced a pump in a lift station with a rebuilt pump. After completing a drawdown test (How to calculate a drawdown test) you calculated the replacement pump is only 35 percent efficient when the one replaced, when new, … Continue reading

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Thinking Outside of the Box

Some water utilities can be very creative in their placement and construction of buildings. Now some people might think the next few buildings are taking it too far, but it all depends on the demands and needs of the area. … Continue reading

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Test Your Knowledge – Calculating a Draw Down Test at a Lift Station

Now that you have read the post, Calculating a Draw Down Test at a Lift Station, try working the following practice problem on your own.

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Calculating a Draw Down Test at a Lift Station

During these times of budget cuts and economic responsibility, we all have to find ways to determine if we are getting the biggest bang for our buck. One of the ways to determine if your lift stations are operating at … Continue reading

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Centrifugal Pump

A centrifugal pump is a machine that imparts energy to a fluid, causing it to flow, rise to a higher level or both. It actually uses acceleration (not centrifugal force) to transform mechanical (rotational) energy into hydraulic energy. Dynamic energy … Continue reading

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Pressure Sewer Systems

A pressure sewer system is a holding tank that detains the wastewater flow from a home or group of homes until a set point is reached and a pump in the tank grinds and then pumps the wastewater under pressure … Continue reading

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Changing the Way We Pump

As energy conservation, optimization and asset management become topics that have finally come to the forefront and become priority to systems in our industry; many have not made the changes to reflect the epiphany that has been realized. In other … Continue reading

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