For the contractor, grouting affects the upfront cost for installing the equipment. This is a short term cost but should be considered an investment.
How to Pick an HVAC Centrifugal Pump Part 6: Internally Vs. Externally Flushed Mechanical Seals
Whether you install or design hydronic HVAC systems, you are probably aware that pump seals play a vital role in the operation of pumps and …
4th of July and a Birthday Celebration
Tomorrow we celebrate and remember the birth of our Nation. R.L. Deppmann Company is also celebrating a birthday. R.L. Deppmann Company is 90 years old! Founded …
How to Pick a HVAC Centrifugal Pump Part 5: Choosing a Single or Double Suction Pump
Last week, the R. L. Deppmann Monday Morning Minutes described the differences between flex coupled HVAC pumps, split coupled pumps, and direct-coupled pumps. If the …
How to Pick a HVAC Centrifugal Pump Part 4: Pump Coupling Types – Close, Split, or Flexible Coupled?
When selecting the HVAC centrifugal pump, there are different pump coupling types to choose from. In the last R L Deppmann Monday Morning Minute we …
How to Pick a HVAC Centrifugal Pump Part 3: Mechanical Room Space & Type of Pump Selected
The last R L Deppmann Monday Morning Minute briefly defined the differences between inline and base mounted pumps. When the engineer or contractor is selecting …
How to Pick an HVAC Centrifugal Pump Part 2: Types of Pumps and Seismic Activity Considerations
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 …