3660

Fisher 3660 pneumatic single-acting positioners are used with various actuators on sliding-stem valves for throttling applications. These rugged positioners provide a valve position proportional to a pneumatic input signal received from a control device.

3660
Features

  • Positioner design provides accurate, fast-response able to withstand the vibrations of most plant environments.
  • Easily adjustable gain and damping adjustments fine tune the positioner stability to specific application requirements.
  • Positioner accepts a standard pneumatic input signal from a control device. This positioner provides split range capabilities and adjustable zero and spans.
  • Most of the parts for the 3660 positioner are interchangeable, requiring fewer spare parts to support these positioners.
  • The case and cover are designed to withstand mechanical vibration and rough handling.
  • Zero and span adjustments can be made with the cover in place.
  • To support diagnostic testing of valve/actuator/positioner packages with the FlowScanner™ valve diagnostic system, connectors, piping, and other hardware can be installed between the 3660 positioner and the actuator.
     

3660  Bulletin  Instruction Manual