Fisher 656 Direct-acting diaphragm actuator

Fisher 656 Direct-acting diaphragm actuator

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.

Any questions?

Erik Rune
Solution Seller
Phone. +46 54-57 92 31

Kenneth Olsson
Account Manager
Phone. +46 54-57 92 04

Martin Pettersson
Solution Seller
Phone. +46 54-57 92 40

Niklas Pettersson
Account Manager
Phone. +46 54-57 92 09

Morten Noppenau
Country Manager Askalon Denmark
Phone. +45 2121 3491

Peder Hvidberg
Area Account Manager West
Phone. +45 2178 5053

Taneli Luhanko
Inside Sales Engineer
Phone. +358 207 416 202
Mob. +358 40 757 4208

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
  • 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.

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