Fisher Pneumatic Actuators Fisher 656 actuator
The Fisher® 656 actuator is a bracket-mounted, direct-acting, diaphragm actuator for either throttling or on-off service. Principal applications include operation of butterfly valves and built-in turbine valves, louvers, dampers, and other similar equipment.
- Mounting Versatility—Four tapped holes in the actuator base permit either bracket or plate mounting.
- Long Actuator Travel—Deep casings provide up to 105 mm (4.125 inches) of maximum travel with a size 60 actuator.
- Application Versatility—Wide spring selection is available for nearly any control application. Spring selection procedures are quick and accurate.
- Severe Service Capability—Rugged yoke and casings provide stability and corrosion resistant protection.
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