The ASHRAE Standard 90.1-2013 and the State of Michigan 2015 Energy Code both require the trimming of impellers or reduction in the maximum speed when …
Hydronic Pump Piping and Trim: Pump Suction Energy Levels
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 …
Hydronic Pump Piping and Trim: Check Valves
The R. L. Deppmann Monday Morning Minutes reviewed pipe sizing and flexible connectors over the past few weeks. Today we turn our attention to check valves …
Hydronic Pump Piping and Trim: Should I use a Stainless Steel Flexible Connector?
Last week, the R. L. Deppmann Monday Morning Minutes introduced reasons why flexible connectors are used on pumps. This week the subject is the stainless …
Hydronic Chilled and Condenser Water Pipe Sizing per the Michigan Energy Code
The R. L. Deppmann Monday Morning Minutes will look at near pump piping over the next several weeks. Let’s start by looking at pipe sizing …
R. L. Deppmann Company Introduces Its 5th Leadership Team
R. L. Deppmann announced a “changing of the guard” starting January 1st.