My March 11th blog article concerning The Department of Energy Standards for centrifugal pumps raised questions about the engineer’s or owner’s choice of variable frequency …
Bell and Gossett Part Load Efficiency Value Part 2: How to use PLEV
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 …
Bell and Gossett Part Load Efficiency Value
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 …
New Pump Efficiency Standards Part 3: Calculating PER Values
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 …
New Pump Efficiency Standard Part 2: The Pump Energy Index (PEI)
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 …
New Pump Efficiency Standards Part 1: They’re Here, Now What?
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 …