For throttling and flow control applications, the direct mounted Siemens (formerly Moore) Positioner with Advantage® Actuator is a compact and reliable solution.
Specifications
Features:
Pneumatic Siemens 73-series positioner
Operates on 3-15 psi (0.2-1.0 bar)
A transducer can be adapted to handle an I/P conversion from a typical 4-20 mA
Close-coupled design allows for direct air loading from the Siemens positioner to the upper actuator chamber in Air to Open - Air to Close and Fail Open actuators
The transparent tubing and red spring disc allows for visual position verification