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 ...

So, if the goal is to convert the refrigerant to the state necessary to be a useful heat transfer medium (the evaporation stage), the other three stages can be looked ... In reality, however, all ...

Three-way, two-position valves consist of three ports connected through passages within a valve body. The valves pressurize and exhaust one outlet port to control a single-acting cylinder ...