Fisher 3590 Valve - Positioner Manual ((install))

The Fisher 3590 series consists of pneumatic and electro-pneumatic positioners designed for use with diaphragm-actuated valves. They use a feedback linkage to sense the actual valve position and compare it to the input signal from the control system. Key Components Receives the 4-20mA or pneumatic signal.

Adjust the span ratio arm or screw until the valve reaches its full rated travel. 3. Iteration Zero and span adjustments are interactive. fisher 3590 valve positioner manual

The heart of the pneumatic amplification. The Fisher 3590 series consists of pneumatic and

Connects the valve stem to the positioner. Relay: Amplifies the air signal to move the actuator. Installation Procedures fisher 3590 valve positioner manual