3-Way Servo Valves

Available with an inductive piston transducer, this servo valve caters for pressures up to 750 bar, and flow rates of between 65 and 750 litres per minute.

View the servo valve specifications below

Servo Valve specifications

  • Nominal size: (NG) 25, 32, 50
  • Unit series: 1X
  • Maximum working pressure: P, A, T, X, Z 315 bar
  • Nominal flow rate: Qnom 65...750 l/min


  • Pilot operated servo solenoid valves NG25 to NG50
  • Design: cartridge type, 3/2-way symbol Metering edges P–A / A–T
  • Control spool with anti-rotation element and metering edges in servo quality
  • Pressure-tight up to 315 bar
  • Pilot line A–X generally required
  • Dynamic return (B–Z) possible with the NG25 and NG50
  • With inductive position transducer, position-controlled by the external pilot valve and the valve electronics
  • Pilot valve mounted externally on valve block
  • Hysteresis < 0.1 %, scarcely measurable
  • Flow characteristic: M = progressive with fine metering edge
  • Plug-in connector for inductive position transducer (4P) included in scope of delivery
  • Employed in electrohydraulic closed-loop controllers in production and testing systems

Speak to our hydraulics division about your factory automation


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