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 …
How to Pick an HVAC Centrifugal Pump Part 8: Motors for HVAC Centrifugal Pumps
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 …
Bell & Gossett Part Load Efficiency Value Part 3: HVAC Pump Selection
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 …
Motor Specifications for HVAC & Plumbing Building Trades
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 …
Motor Specifications for HVAC & Plumbing Building Trades
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 …