Model 73 Built-In Pneumatic Valve Positioners are compact pneumatic valve positioner instruments incorporates a single-axis, force-balance principle of operation to ensure accurate and stable control valve positioning.
In all cases, including bottom-loading applications, a Model 73 Built-In Pneumatic Valve Positioner is mounted directly on the topwork of the valve, with no external levers or other exposed mechanisms
Features
Single-axis, force-balance principle of operation, ensures accurate and stable positioning
Feedback circuits direct the actuator's position, ensuring adherence to the control instrument signal
Range spring capability accommodates a wide variety of valve strokes and instrument spans