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Fisher™ 3025 Spring Opposed Diaphragm Actuator

Fisher 3025 diaphragm actuators provide small to medium thrust output for Fisher sliding-stem valves, including the easy-e™, HP, EH, and 461 valves. The 3025 is capable of long strokes of up to 200 mm (8 in) and includes bias springs to allow for a mechanical fail mode. Direct or reverse-acting operation is also available.

Key Features

  • Maximum thrusts of up to 76.3 kN (17,155 lbf) can be produced, depending on construction.
  • Depending on size, strokes of up to 200 mm (8 in) are available.
  • A side-mounted handwheel is available for manual handwheel control.
  • Fail mode can be easily changed on site, without the need of additional parts.
  • Rugged construction provides stability and corrosion protection.
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