What is the definition of a pneumatic steam control valve? A pneumatic steam control valve is an automated valve used to control the flow of steam in a process. The valve is driven by a pneumatic actuator, which is a device that converts energy from a pressurized gas, such as compressed air, into mechanical energy. This allows for precise control of the steam flow and is often used in industrial applications such as process heating, power plants, and steam turbines. The valve can be used to control the pressure, temperature, and flow rate of the steam. It works by using an internal diaphragm that is activated by a pneumatic control signal to alter the position of the valve in the pipe. A pneumatic steam control valve is an effective and reliable way to control the flow of steam in an industrial setting. It can be used to manage the temperature, pressure, and flow rate of the steam in order to ensure the safety and proper functioning of