Emerson valve control and position sensing technologies provide absolute assurance in the most challenging applications. These highly reliable final control technologies help you regulate and isolate your process with certainty. The TopWorx and GO Switch product portfolio will help you accomplish this goal. TopWorx™ switch boxes enable automated on/off valves to communicate via Foundation Fieldbus, Profibus, DeviceNet, AS-Interface, and HART protocols. They carry a variety of global certifications and nuclear ratings. GO Switch proximity sensor products are engineered to meet tough applications while offering high reliability and installation flexibility. These rugged and affordable models are designed to provide dependability in all environments.