Fisher 3582i Positioner

The Fisher 3582i pneumatic valve positioner is used with diaphragm-actuated, sliding-stem control valve assemblies. 

This positioner consists of a Fisher 582i electro-pneumatic converter installed on a 3582 pneumatic valve positioner. The 3582i provides an accurate valve stem position that is proportional to a DC current input signal.

The 582i electro-pneumatic converter is a modular unit that can be installed at the factory or in the field. The converter receives a DC current input signal and provides a proportional pneumatic output signal through a nozzle/flapper arrangement. The pneumatic output signal provides the input signal to the pneumatic positioner, eliminating the need for a remote mounted transducer. 

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