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 …
Bell & Gossett Remote Learning Hub Site & May Webinars
We are pleased to announce the launch of the Bell & Gossett Remote Learning Hub. This new site allows our customers to quickly and easily …
Danfoss FC-102 HVAC Drive with Bypass Rotation Check
Variable frequency drives (VFD) take the incoming power and convert it to DC power inside the drive and then create their own three-phase output power. …
Non-Clog vs. Vortex Impeller Choices for Sewage Pump Applications
Plumbing engineers are hired to use their knowledge to provide the right building solution for the money their client is willing to spend. There is …
Xylem Watermark Face Shield Assembly and Distribution
The Covid-19 global pandemic brought about a sharp rise in need for health care and medical equipment across the world. Due to the fast moving …