R. L. Deppmann News and Information

New Pump Efficiency Standard Part 2: The Pump Energy Index (PEI)

Now that the U.S. Department of Energy (DOE) has published the first ever Energy Conservation Standards for Pumps, let’s take a look at some of

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Suction Diffuser Plus CSE Product of the Year Nomination

Bell & Gossett is pleased to announce that our Suction Diffuser Plus product has been nominated by Consulting-Specifying Engineer (CSE) magazine as a 2016 Product

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B&G Suction Diffuser Plus

New Pump Efficiency Standards Part 1: They’re Here, Now What?

Heat pumps have them. Air conditioners have them. Even light bulbs have them. And now, for the first time in history, clean water pumps have

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Two Secrets for Bell and Gossett GPX Plate Heat Exchangers

Our recent R. L. Deppmann Monday Morning Minutes (MMM) articles have introduced a number of velocity considerations in gasketed plate heat exchangers. This week I’ll share two

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Velocity Limits in Gasketed Plate Heat Exchangers – Part 4

Plate exchangers such as the Bell and Gossett GPX series have significantly higher velocity limits than shell and tube heat exchangers, but there are still

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Velocity Limits in Gasketed Plate Heat Exchangers

Bell & Gosssett Centrifugal Pumps Switch to Polyurea-Based Grease

In December 2014, Bell & Gossett completed their transition to polyurea-based grease. This change from lithium-based grease increases the maximum normal bearing housing temperature from 180

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Bell & Gosssett Centrifugal Pumps Switch to Polyurea-Based Grease

Minimum Velocity for Heat Exchangers with Glycol – Part 3

In part 1 and part 2 of this series, we discussed maximum and minimum heated water velocities in Bell & Gossett SU heat exchangers with standard

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Announcing Bock Water Heaters new optiTHERM® models OT199, OT150 and OT125

R.L. Deppmann is pleased to announce the following product from Bock Water Heaters. Bock Water Heaters proudly announces a new family of 99-gallon optiTHERM® water

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Minimum Velocity in Heat Exchangers – Part 2

Shell and Tube heat exchangers are often used in institutional steam-to-water heating applications. This week’s Monday Morning Minutes post looks at minimum velocities in Bell & Gossett

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Maximum Velocities in Heat Exchangers – Part 1

Shell and Tube heat exchangers are often used in institutional steam-to-water heating applications. We recently received a call from a consulting engineer asking what the

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Bell & Gossett Heat Exchanger
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