In this Service Tip of the Month, we will be discussing and demonstrating the operation of reading, adjusting, and setting a Bell & Gossett Balance …
Bell & Gossett – June Webinar Series
We are pleased to announce Bell & Gossett June 2020 webinar schedule. You can register for any upcoming or past webinars on Bell & Gossett’s …
Open Cooling Tower System Pumps – Balancing the Pump Using a Drive
Open cooling tower pumps are traditionally operated as constant speed. When balanced, the extra pump head or over-heading is throttled across the discharge balance valve …
Balancing & Trimming Hydronic Constant Speed Pumps
The HVAC hydronic system is proportionally balanced per ASHRAE 90.1 energy standards. The proportional balance, when properly completed, will result in all the extra pump …
R.L. Deppmann And Xylem Partner To Deliver 600 Face Shields To Frontline Workers
In an effort to support healthcare workers in Michigan and Northern Ohio, the R.L. Deppmann team came together to assemble, package and deliver over 600 …
Hydronic Pump Energy Savings and Proportional Balancing Technique
ASHRAE Energy Standard 90.1 indicates the hydronic system shall have proportional balance and the pump over-heading shall be removed through speed reduction or impeller trimming. …
Sump & Sewage Applications: Choosing 3-Float vs. 4-Float Control
Commercial and Institutional control of basin mounted sump and sewage pumps does not have to be complicated. In residential systems, a small fractional horsepower pump …
Covid-19 First Responder Charity Donation
R.L. Deppmann COVID-19 Charity Walk, Run & Bike April 7 – May 8, 2020 During the mandatory Stay Home, Stay Safe (Michigan) and Stay at …
Process System Pump Selection: Controls to Reduce Maintenance Time
In the last R. L. Deppmann Monday Morning Minutes I defined the difference between flat curves and steep curves in a hydronic pump selection. I …
Hydronic System Pump Selection: Flat vs. Steep Curves
An engineer in Michigan called about a large project with several pumps being selected in parallel for a plant chilled water system. He commented that …