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Tag: Valve Positioners

Electronic Valve positioners

S Bharadwaj Reddy
The purpose of a valve positioner is to ensure the mechanical valve’s position matches the command signal at all times. Thus, a valve positioner is actually a closed-loop control system...

Control Valve Positioners

S Bharadwaj Reddy
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,...

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