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 ...

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 ...

The first industrial application of a thermal fluid was most likely inspired by a food-cooking technique; the double boiler. It has been speculated that some creative innovator, in Europe, about a ...