In the R. L. Deppmann Monday Morning Minute from June 4th we offered some tips on converting an existing over-headed constant speed pumping system to a …
HVAC Centrifugal Pump – Converting Constant Speed To Variable Speed
This week a Michigan engineer contacted me to discuss the conversion of an existing and oversized constant speed secondary chilled water pump to variable speed …
Bell & Gossett ESP-Systemwize Pump Selections: Part 3
Happy Memorial Day! Today we celebrate and remember those brave patriots who sacrificed their lives while serving in the Armed Forces protecting the freedoms all …
Replacing a Seal Kit and Bearing on a VSC Pump
If the bearing on your VSC pump is noisy, or you notice water dripping out of the weep hole on the bottom of the bearing …
Bell & Gossett ESP-Systemwize Pump Selections: Part 2
ESP-Systemwize provides a number of pump selection choices. Which pump should I select? Which pump should I fight for in a competitive bidding environment? Today, …
Bell & Gossett ESP-Systemwize Pump Selections
ESP-Systemwize is a powerful tool provided to the industry by Bell & Gossett. As an engineer or designer, you may want to explore the options …
Pump Selection Criteria: Maximum Point on the Curve
How many times have you, as an engineer, looked at a number of pump curves and passed up a few because you did not like …
Water Heater Thermal Expansion Tank Sizing Safety Factors
In the last R. L. Deppmann Monday Morning Minutes we used the Bell & Gossett Systemwize selection program to size and select a water heater …
Point of No Pressure Change – Expansion Tank
The Point of No Pressure Change Demonstration video by Mike Belanger, a R.L. Deppmann Service Technician, is made up of two identical pumps, both of which have …
Thermal Expansion Tank Sizing: Bell & Gossett Systemwize
In the last R. L. Deppmann Monday Morning Minute we covered some thoughts on the use of code vs. non-code hot water expansion tanks. Why …