Electronically controlled electric valves have been accepted for years in larger applications, just as chillers have been, and have proven to add efficiency to the systems. The key to the increase in ...

The thermostatic expansion valve (TEV or TXV) is erroneously considered by some to be a mysterious and complex device. As a result, many valves are needlessly replaced when the cause of the system ...

The US Food and Drug Administration (FDA) has expanded the indication for the Sapien 3 transcatheter heart valve (Edwards Lifesciences) to include valve-in-valve replacement for high-risk patients ...