供应SIEMENS/MOORE 内置式阀用定位器 73N-12F

西门子73系列内置式阀门定位器?

This line of 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.
By selecting the appropriate range spring from the wide selection, almost any combination of valve stroke (from 1/4" to 4") and instrument span (from 2 to 24 psi) can be obtained.
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 **
Range spring capability accomodates a wide variety of valve strokes and instrument spans
常见型号：
73N12F?? 73N24F? 73N-FR?? 73N-B?? 73N-B1

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