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Pneumatic Positioners

Conventional pneumatic positioners receive a pneumatic control signal and translate that into the appropriate pneumatic output signal to the control valve actuator.  This positioner technology has been the stalwart for the process control industry for decades, and is still extensively used. We make a variety of Fisher® pneumatic positioners to meet almost any need a customer may have.
  • Fisher 3570Fisher® 3570
    3570 pneumatic valve positioners are used to provide an accurate valve stem position that is proportional to the input signal received from a control device.
  • Fisher 3582Fisher® 3582
    Fisher 3582 pneumatic, single-acting positioner is used with diaphragm-actuated, sliding-stem control valve assemblies.
  • Fisher 3610JFisher® 3610J
    Fisher 3610J pneumatic, single-acting positioner is used with rotary actuators to accurately position control valves used in throttling applications.
  • Fisher 3610JPFisher® 3610JP
    Fisher 3610JP pneumatic, double-acting positioner is used with rotary actuators to accurately position control valves used in throttling applications.
  • Fisher 3661Fisher® 3660
    Fisher 3660 pneumatic, single-acting positioner is used with various actuators on sliding-stem valves for throttling applications.
  • Fisher 3710Fisher® 3710
    Fisher 3710 pneumatic positioner is designed for use with either diaphragm or piston rotary actuators.