When using steel tanks with copper pipe and brass relief valves, dielectric unions, nipples, and flanges are required. Often times these may be overlooked or …
New Pump Efficiency Standards Part 3: Calculating PER Values
Under the DOE’s new efficiency standards for pumps, all Pump Efficiency Rating (PER) values use a full size or maximum impeller for a given pump …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …