One of the first decisions you must make when selecting an HVAC pump is to determine which type of pump you need. There are specialty …
How to Pick an HVAC Centrifugal Pump Part 1: Designing for Owner Satisfaction
Hydronic pumps all do the same basic thing—they circulate water. So why are there so many different types and configurations? And what are the criteria …
Medium and High Pressure Steam Vented Flash Tank Trim: Part 2
Steam flash tanks provide a valuable service in medium and high-pressure condensate return systems. The last R. L. Deppmann Monday Morning Minutes (MMM) article described …
Medium and High Pressure Steam Vented Flash Tank Trim
The last R. L. Deppmann Monday Morning Minutes (MMM) article described the difference between horizontal and vertical high-pressure condensate flash tanks. Once a decision is …
Medium and High Pressure Steam Flash Tank Selection
The last several R. L. Deppmann Monday Morning Minutes articles focused on steam and condensate handling. Condensate flashes into steam in the return lines after …
Condensate Pump Discharge Balance Valves: A New Perspective
The last R L Deppmann Monday Morning Minutes (MMM) focused on the critical relationship between the steam condensate return temperature and proper pump NPSH required …
Return Temperature & Condensate Pumps: Steam & Steam Heat Exchanger Basics Part 15
One challenge to selecting a steam condensate return unit is the return temperature of the condensate after leaving the steam heat exchanger. This week’s R. L. …
Condensate Return Pump and Receiver Sizing Tips: Steam & Steam Heat Exchanger Basics Part 14
Hopefully, the message from past R. L. Deppmann Monday Morning Minutes was clear: don’t lift the condensate out of a steam heat exchanger or coil …
New LPD Strainer Design Saves 40% in Energy Usage vs Basket Strainers
What if a product could save 40% in energy usage without increasing the cost in a hydronic or steam system? This week’s R L Deppmann …
Bucket Traps for Condensate Lift: Steam & Steam Heat Exchanger Basics Part 13
Don’t lift the condensate out of a steam heat exchanger or coil with a modulating control valve. Over the last several weeks in the R …