This being the last article in this series, I turn your attention to double suction pump efficiency. I will also share some information on pump …
Double Suction Pump Specification: Coupler & Bases
Today, we turn our attention to the parts of a double suction pump you can see when you walk by it; the coupler, the base, …
Double Suction Pump Specification: Rotating Pump Elements
We continue to examine the double suction pump specification for HVAC and hydronic systems. Your specification may have a paragraph or two about the shaft, …
Double Suction Pump Specification: Mechanical Seals
How do you match the mechanical seal specification of double suction pumps with the scheduled base bid manufacturer and allow other names in the spec? …
Bell & Gossett Hits One Out of the Park with their New Double Suction Pump
The 2019 MLB season will be starting soon and it is fitting to announce a home run by Bell & Gossett (B&G). They did it …
Department of Energy Pump Standards – Modify Your Specification
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 …
Bell & Gossett ESP-Systemwize: Personalize It!
This short R. L. Deppmann Monday Morning Minutes again features the ESP-Systemwize pump selection program from Bell & Gossett. There is a great deal of information on the selection results. How do limit what I see on a day to day basis and how can I see my comfortable traditional “Oak Tree” curves?
Variable Speed Pump Area Control & System Diversity: Part 3
In the R. L. Deppmann Monday Morning Minutes part 1 of this series we defined diversity in hydronic systems. Part 2 introduced the sensorless pump speed …
HVAC Variable Speed Pump Curve Control: Part 2
The HVAC engineer or designer has many choices when it comes to the control of variable speed pumps. The traditional differential pressure (DP) transmitter near …
HVAC Variable Speed Pump Control System Diversity: Part 1
HVAC variable speed pump control does not have to be complicated. Often times a simple differential pressure sensor (DP) at the farthest point from the …