The 2019 MLB season will be starting soon and it is fitting to announce a home run by Bell & Gossett (B&G). They did it... READ MORE
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Hydronic Pump Piping and Trim: Pump Suction Energy Levels
Norm Hall
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March 19, 2018
I frown a bit when reading about a product and the only place you find a key tip to avoiding problems is in the troubleshooting... READ MORE
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Hydronic Pump Piping and Trim: The Pump Suction
Norm Hall
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March 12, 2018
The piping at the suction side of the pump is the most important and, for some engineers and designers, the most misunderstood part of hydronic... READ MORE
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How to Pick an HVAC Centrifugal Pump Part 7: Mechanical Seal Materials
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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July 17, 2017
Every week, our customer service team fields questions concerning the seal construction materials for various applications. This week, the R. L. Deppmann Monday Morning Minutes... READ MORE
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How to Pick an HVAC Centrifugal Pump Part 6: Internally Vs. Externally Flushed Mechanical Seals
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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July 10, 2017
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... READ MORE
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How to Pick a HVAC Centrifugal Pump Part 5: Choosing a Single or Double Suction Pump
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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June 26, 2017
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... READ MORE
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How to Pick a HVAC Centrifugal Pump Part 4: Pump Coupling Types – Close, Split, or Flexible Coupled?
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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June 19, 2017
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... READ MORE
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How to Pick a HVAC Centrifugal Pump Part 3: Mechanical Room Space & Type of Pump Selected
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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June 12, 2017
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... READ MORE
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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... READ MORE
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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... READ MORE
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