Category Archives: Technical

Case Study: Delta Cooling Towers in Las Vegas

In the southeastern part of the Las Vegas Valley lies the Black Mountain Industrial (BMI) complex. In 1941 this site was used to produce magnesium for World War II. After the war ended the need for magnesium decreased and the … Continue reading

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Why use HDPE in cooling tower construction?

Corrosion Resistance . . . High Density Polyethylene (HDPE) is the optimum material for cooling tower construction. The material is molded into a totally seamless shell, which will never leak, unlike conventional cooling towers which require many panels, joints, seams, seam … Continue reading

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Selecting a Fan Array System for an Air Handling Unit

This is a great paper that discusses key topics involved in selecting a fan array system. Topics discussed in this paper include VFD Considerations and Electrical Requirements Sound and Efficiency Considerations Vibration Space Considerations Reliability Seviceablity Cost Fan Array System … Continue reading

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How Hydronic System Components Really Work

This is an article written by Bell & Gossett for Oil Heating Magazine. It goes into detail about the components of a hydronic system and discusses how they work. A must read for anyone interested in understanding the basics of … Continue reading

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Examining Causes of Pump Vibration as Featured in HPAC Engineering

Many vibration problems are a result of interactions among a system’s pump, motor, fluid, piping, and structure. This interactive relationship requires a systems approach to vibration analysis, rather than the investigation of individual components. This article discusses the cause of … Continue reading

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ESP-Plus: Spotlight on Pump Curves

Not all pump selection programs are created equally. The algorithms used to select pumps and generate curves need to be very sophisticated. ESP-PLUS® uses a three curve interpolation method developed by ITT. Unlike some other pump selection programs on the … Continue reading

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