Clippard NPV Series Miniature Pinch Valves are solenoid-operated devices designed to open and close tubes for controlling flow of liquids and gases. Other valve types have internal passages that may ...

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 ...