Pneumatic control valve Actual Pneumatic Control Valve Typical Actuator & Valve introduction to actuator Actuator power Actuator Fluids Diaphragm Actuator Positioner Indicator Valve Body Valve Plugs Reverse & Direct Actuators Air-To-Open vs. Air-To-Close control valve Controller Tuning Selection of controller modes Tuning Rules Ziegler – Nichols Controller Settings