Control Valves & Actuators

What you'll learn

• Explain the role of the control valve as the final control element in a control loop
• Compare globe, ball and butterfly valve bodies and match each to a typical service
• Describe actuator types and justify a fail-open or fail-closed choice from the process safety consequence
• Explain what positioners and I/P converters do and how the inherent flow characteristic affects control
• Recognise the symptoms of oversizing, cavitation, flashing and noise, and their impact on control quality
• Bench-stroke a valve safely and interpret basic diagnostic results such as stroke tests and valve signatures

Curriculum

Progress through each competency level in order.