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 …
Hydronic Pump Piping and Trim: The Pump Suction
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 …
Hydronic Pump Piping and Trim: Flexible Diffuser Fittings
Pump installations tend to require a great number of spool pieces to meet the Hydraulic Institute’s and the equipment manufacturers’ recommendations. Before we get into …
Hydronic Pump Piping and Trim: Suction Diffuser Fittings
Pump suction piping is one of the areas where problems of frequent repair or noise will originate. There is a lot of confusing information out …
Hydronic Pump Piping and Trim: Suction Side
The pump suction piping and specialties are somewhat simple but can be a cause of headaches if a few simple rules are forgotten. This week …
Variable Speed and ECM Smart Pumps in Domestic Hot Water Recirculation Systems
Domestic hot water supply temperatures and the recirculation system control are receiving a great deal of attention these days. Concerns about legionella growth with low-temperature …
Bell & Gossett Part Load Efficiency Value Part 4: End-of-Curve Selections
When looking at Bell and Gossett pump selections, we often find higher part load efficiency (PLEV) pump choices are to the right of the BEP, or best …
Bell & Gossett Part Load Efficiency Value Part 3: HVAC Pump Selection
In the last two Monday Morning Minutes, we introduced the PLEV, or Part Load Efficiency Value, from Bell and Gossett. When we use part load …
Bell and Gossett Part Load Efficiency Value Part 2: How to use PLEV
In the last Monday Morning Minutes post, we introduced the PLEV, or Part Load Efficiency Value from Bell and Gossett. This week we look at some …
Bell and Gossett Part Load Efficiency Value
The last three Monday Morning Minutes have introduced the U.S. Department of Energy 2020 pump standards. The Standard looks at efficiency of pumps equally at …