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 …
Return Temperature & Condensate Pumps: Steam & Steam Heat Exchanger Basics Part 15
One challenge to selecting a steam condensate return unit is the return temperature of the condensate after leaving the steam heat exchanger. This week’s R. L. …
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 …