Name a power plant that doesn`t rely on valves to control its many systems. Impossible, right? Valves are such an integral and reliably simple component that its relative importance to other components is often forgotten. Nevertheless, valve manufactures continue to perfect valve designs to perform a variety of tasks and to function reliably for longer and longer time periods no matter what the duty. This month`s “Tech Roundup” focuses on some of the new valve technology available from the industries` leading suppliers.