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Global solutions in hydraulic. Since 1965

Servo Actuator

Stern designs and manufacture unitary oleo-hydraulic servo actuators for high dynamic or precision applications.

  • Hydrostatic, hydrodynamic and polymeric actuators specifically designed for the needs of each test.
  • Different types of clamping: front flange, trunnions, between ball joints, rear flange, etc.
  • Seats for all types of servo valves.  Magnetostrictive position sensors, Lvdt, pressure sensors and load cells.
  • Actuators designed for laboratory fatigue testing and high dynamic industrial applications.
  • Test accessories such as HSMs, backlash free swivels, etc.
  • Control electronics, loop closures and multichannel test generators. Custom programming of loop closures for industrial applications and testing.