La válvula de control es el elemento final más común en el control de procesos de fluidos. Modifica el flujo del fluido manipulado según la señal del controlador.

Before you can control a process, you have to measure it. Bolton dives deep into the hardware: Temperature: Thermocouples and RTDs. Bourdon tubes and piezoelectric sensors. Level & Flow: Ultrasonic and Coriolis meters. Key Takeaway: Understanding accuracy vs. precision and how to calibrate for real-world reliability. The Process Controller (The Brain):