Distributor of valves, control valves,
actuated valves and valve accessories

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Fisherâ„¢ 846 Transducer

  • Manufacturer: FISHER
  • Valve Type: Transducers
  • Sub-Type: Fisher Transducers
  • The low-mass pilot stage, mechanically damped deflector bar, and rugged construction provide stable performance in vibration.
  • Large diameter nozzles, free-flow pilot stage design, and large internal pneumatic supply passages provide excellent tolerance to reducing the effects of contaminant build-up and erosion.
  • The electronic feedback control network monitors the pneumatic output signal, detects any input-output deviations and corrects them.
  • Major mechanical and electrical components are incorporated into a single field-replaceable master module.


The Fisher 846 transducer converts an electrical output signal from a controller to a pneumatic signal necessary to operate a control valve actuator or pneumatic positioner. Using electronic feedback, the transducer can correct for error-producing effects, such as variations in supply pressure and downstream leakage.


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