Happy New Year 2021! I pray that we all have a healthy year and see the return of normal lifestyles. This final blog in this …
Net Positive Suction Head (NPSH) Part 4 of 5 – Gauge Readings
The cooling tower pump calculations are completed, the project is bid, the Bell & Gossett pumps scheduled are awarded and installed. There is a noise …
Net Positive Suction Head (NPSH) Part 3 of 5 –NPSH Available
The available cooling tower pump NPSH or net positive suction head is a function of the pan elevation, friction, and temperature. Sometimes the combination of …
Net Positive Suction Head (NPSH) Part 2 of 5 –Safety Factors
The Hydraulic Institute (HI) is a global authority on pumps and pumping systems. Think of them as the ASHRAE of pump design and testing. HI, …
Net Positive Suction Head (NPSH) Part 1 of 5 – Terms and Definitions
One of the most misunderstood concepts in pump selection for hydronic design is the net positive suction head or NPSH. Problems with NPSH can spell …
Hydronic Heating Buffer Tanks – Part 3 – Variable Primary
Hydronic heating system buffer tanks requirements and sizing were addressed in parts 1 & 2 of this short series. I received a couple of questions …
DriSteem Simple Condensate Cooler – How To Cool Condensate Down To 140 Degrees
This Service Tip of the Month video goes over a simple condensate cooler from DriSteem to cool condensate down to 140 degrees to meet most …
R. L. Deppmann Thanksgiving Wishes
Always, but even more during this trying year, R. L. Deppmann says… THANK YOU
Hydronic Heating Buffer Tanks Part 2 – Sizing
Hydronic heating system buffer tanks are used to add water volume to the system to help avoid excessive cycling of the boiler. How do you …
R.L. Deppmann named a 2020 Top Workplace in Michigan!
R.L. Deppmann Company named a 2020 Top Workplace in Michigan Award Winner by the Detroit Free Press for the third year in a row. Being …