Vortex-shedding flowmeters lend themselves well to cooling water service applications.
In any process application, you cannot underestimate how important properly cooling your equipment is. For instance, if the bearings in the shaft of a rotating steel-making vessel in a basic oxygen furnace are not cooled sufficiently, the heat treater stands to lose millions due to lost production. And, the safety and environmental hazards of insufficient cooling in a nuclear power plant should be self-evident.
Of course, many cooling water applications have less dire potential consequences, but they are nonetheless still important to monitor. Typically, the cost of a cooling water flowmeter is less than the equipment damage or lost production that can occur if the equipment is cooled insufficiently.
The flow rate through a production flowmeter can vary widely. For example, a unit that normally operates at 30 to 80 percent capacity may also be required to start up at only five percent capacity. Therefore, the flowmeter requires a large turndown.