Fisher 656 diaphragm actuators provide small to medium thrust output for bracket-mounted applications.
Such applications include operation of Butterfly valves and built-in turbine valves, louvers, dampers, and other similar equipment.
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Fisher™ 656 Direct-Acting Diaphragm Actuator
Fisher™ 656 Direct-Acting Diaphragm Actuator
Specs
Actuation
Spring-return, Linear
Certifications
PED, CUTR, ATEX
Control Type
On/Off, Throttling, Positioning
Operating Temperature
Standard Temperature
Power Source
Pneumatic
Process Control
On/Off, Throttling, Positioning
Valve Type
Angle Valve, Globe Valve
Other Configurations
Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product.
Features
- Maximum thrusts of up to 5.3 kN (1,200 lbf) can be produced, depending on construction.
- Depending on size, strokes of up to 105 mm (4 1/8 in) are available.
- Four tapped holes in the actuator base permit either bracket or plate mounting.
- A wide spring selection is available for nearly any control application.
- Rugged yoke and casings provide stability and corrosion-resistant protection.
- Available with a top-mounted handwheel for manual override control.