Control Valve Positioners
The reason why a pneumatic control valve’s stem position corresponds linearly to the amount of air pressure applied to the actuator is because mechanical springs tend to follow Hooke’s Law,...
Home » control valve positioner bypass
Tag: control valve positioner bypass
Pneumatic Valve Positioner Working Principle
The Pneumatic Valve Positioner is an instrument working on force balance principle to position the Control Valve stem in accordance to a pneumatic signal received from a controller or manual...