Fisher 2" 150 Actuated Control Valve Type 657 w/ Fieldvue Positioner

Fisher 657. FISHER 657 SIZE 40 033PSI PNEUMATIC VALVE ACTUATOR D539531 The 657 actuator is direct-acting, while the 667 is reverse-acting. Use of a positioner is recommended to ensure responsiveness in applications operating below-40C (-40F).

The actuators position the valve plug in response to the controller or valve positioner's pneumatic output signal sent to the actuator diaphragm casing. Refer to separate instruction manuals for information about the valve positioner and other accessories used with these actuators.

Fisher 657GS Diaphragm Actuator 315PSI USED Industrial Automation

Fisher 657 and 667 actuators are designed to provide dependable on/off or throttling operation of control valves Fisher 657 and 667 actuators are designed to provide dependable on/off or throttling operation of control valves The actuators position the valve plug in response to the controller or valve positioner's pneumatic output signal sent to the actuator diaphragm casing.

Fisher 657GS Diaphragm Actuator 315PSI USED Industrial Automation. Fisher 657 and 667 actuators are designed to provide dependable on/off or throttling operation of control valves These spring-opposed diaphragm actuators position the valve plug in the valve in response to varying controller or valve positioner pneumatic output signals

FISHER 657 SIZE 40 033PSI PNEUMATIC VALVE ACTUATOR D539531. The 657‐4 actuator in sizes 70/70i and 87 is also covered Refer to separate instruction manuals for information about the valve positioner and other accessories used with these actuators.