The SVF Series “DMO” allows simple and reliable manual positioning of valves, dampers, and other quarter turn devices to override existing pneumatic or hydraulic rotary actuators.

  • Compact, modular design - fits between valve and actuator for a complete manual override
  • ISO 5211Industry Standard mounting pad
  • Three stage coupler (Actuator, Gear, Valve)
  • Rugged declutch lever and engagement handle

DMO Declutchable Manual Override


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