Valve Positioner Archives

How Valve Positioners act as Cascade Control Systems in a Loop?

Explain how all valve positioners essentially act as cascade control systems in a loop, and why valve positioners generally improve

When choosing a control valve for a process, there are many things that must be considered, including the valve’s flow

A valve is a mechanical device that controls the flow of fluid and pressure within a system or process. A

Electro Pneumatic valve Positioner is used to control the valve stem position from open to close position or vice versa.

The purpose of a valve positioner is to ensure the mechanical valve’s position matches the command signal at all times.

The reason why a pneumatic control valve’s stem position corresponds linearly to the amount of air pressure applied to the

A Control Valve Positioner is a device used to increase or decrease the air load pressure driving the actuator until the valve’s

In application of control valve, many terminologies are used and some Common Terms Used in Control Valves are actuator, trim,