Motor speed for HVAC centrifugal pumps is a hot topic these days. Last week, the R. L. Deppmann Monday Morning Minute began exploring motors and... READ MORE
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When selecting HVAC centrifugal pumps, the RPM or speed of the motor is an important choice engineers and designers make regularly. The default speed is... READ MORE
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In the last two Monday Morning Minutes, we introduced the PLEV, or Part Load Efficiency Value, from Bell and Gossett. When we use part load... READ MORE
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Printer Friendly (PDF) The most frequently asked question is “How do I specify the right motor for variable speed applications”? Let’s start by referring to... READ MORE
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Printer Friendly (PDF) Thought I’d take break from the Sump and Sewage pump subject of the last few weeks and spend a little time talking... READ MORE
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