Bypass pipes, accompanied by a three-way control valve, are often seen in hydronic systems at both served loads (e.g., reheat coils) as well as at primary equipment (e.g., cooling towers). Reasons for ...

In August’s column, I discussed three-way control valves, their associated bypass pipes, and the importance of a balancing valve being located within the bypass pipe. Such balancing valves are needed ...

Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...

The fundamental design principles and process for modern steam desuperheating, or the attemperation of superheated steam in the power generation industry, have been evolving since the early 1930s.

Many residential and commercial buildings across the United States have heating and cooling systems which are controlled by thermostats, usually an electronic instrument which is designed to detect ...

The operator of a group home where a disabled person was scalded during a bath says a temperature control valve failed. The victim suffered burns to his ankles and buttocks last week at a group home ...