Norm Hall
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March 11, 2019
The Department of Energy (DOE) Standards for centrifugal pumps will start to affect construction projects that you are designing today. These standards for minimum pump... READ MORE
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Bell and Gossett Part Load Efficiency Value Part 2: How to use PLEV
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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June 27, 2016
In the last Monday Morning Minutes post, we introduced the PLEV, or Part Load Efficiency Value from Bell and Gossett. This week we look at some... READ MORE
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Bell and Gossett Part Load Efficiency Value
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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June 20, 2016
The last three Monday Morning Minutes have introduced the U.S. Department of Energy 2020 pump standards. The Standard looks at efficiency of pumps equally at... READ MORE
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New Pump Efficiency Standards Part 3: Calculating PER Values
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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June 13, 2016
Under the DOE’s new efficiency standards for pumps, all Pump Efficiency Rating (PER) values use a full size or maximum impeller for a given pump... READ MORE
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New Pump Efficiency Standard Part 2: The Pump Energy Index (PEI)
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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June 6, 2016
Now that the U.S. Department of Energy (DOE) has published the first ever Energy Conservation Standards for Pumps, let’s take a look at some of... READ MORE
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New Pump Efficiency Standards Part 1: They’re Here, Now What?
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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May 30, 2016
Heat pumps have them. Air conditioners have them. Even light bulbs have them. And now, for the first time in history, clean water pumps have... READ MORE
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