G631 and 631 Series Direct-Operated Servo Valves for Analog Signals

  • 2-stage design with low friction double nozzle pilot stage offers high resolution and low hysteresis in a compact size.
  • Rugged, small body size design with a wide range of options is ideal for a wide range of machines
  • Integrated fail-safe options enables machine builders to reduce componentry
  • Field-configurable 5th port for separate pilot supply offers greater flexibility
  • Field-replaceable first stage disc filter for ease of maintenance.

Hydraulic Data
Rated Flow 4 to 76 l/min (1 to 20 gpm) @ ∆p 70 bar (1000 psi)
Maximum Flow 150 l/min (40 gpm)
Maximum Operating Pressure 310 bar (4,500 psi)
Mounting Pattern ISO 4401-05-05-0-94 (for 4 ports)
100% Step Response 10 to 15 ms @ 210 bar (3,000 psi)
Electric Data
Supply Voltage N/A
Rated Signal Options +/-15 and +/-50mA
Additional Options Contact Industrial Application Engineering for additional Flow, Pressure, and Signal options