R. L. Deppmann News and Information

How to Pick an HVAC Centrifugal Pump Part 11: Best Practices for Safety and Performance

As we conclude this series on how to select a centrifugal pump for your hydronic applications, we want to leave you with the following “best

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B&G-quick-performance-guide

Vacuum Return Condensate Units – How necessary are they?

We are often asked the question, “Can I replace a vacuum return condensate system with a standard condensate return unit?” Let’s look at what happens

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How to Pick a HVAC Centrifugal Pump Part 10: Over speed a HVAC Pump using a VFD

The last R L Deppmann Monday Morning Minutes described the recommended limitations when over speeding a HVAC pump with a VFD. Today we will show

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Bell and Gossett

How to Pick an HVAC Centrifugal Pump Part 9: Over speeding HVAC Pumps & Motors

There are times when slightly more capacity or a little more safety factor is needed from a pump selection. Often times we are asked about

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hertz

How to Pick an HVAC Centrifugal Pump Part 8: Motors for HVAC Centrifugal Pumps (Continued)

Motor speed for HVAC centrifugal pumps is a hot topic these days. Last week the R. L. Deppmann Monday Morning Minutes (MMM) began exploring motors

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Series e1510 Suction Motor

How to Pick an HVAC Centrifugal Pump Part 8: Motors for HVAC Centrifugal Pumps

When selecting HVAC centrifugal pumps, the RPM or speed of the motor is an important choice engineers and designers make regularly. The default speed is

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centrifugal pump motor curve

How to Pick an HVAC Centrifugal Pump Part 7: Mechanical Seal Materials

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

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mechanical seal

Why Should You Grout a Base Mounted Pump?

For the contractor, grouting affects the upfront cost for installing the equipment. This is a short term cost but should be considered an investment.  1510

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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

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Pump seal

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

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