AUMA GS 125.3 / VZ4.3 (208:1) GEARBOX

  • Operation of part-turn valves such as butterfly and ball valves.
  • Manual operation or motorized operation with AUMA SA/SAR multi-turn actuators.
  • Industrial automation, power plants, water treatment, petrochemical applications.
  • Suitable for high-torque ON/OFF and modulating duties.
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    The AUMA GS 125.3 gearbox with VZ4,3 primary reduction gearing is a worm-type part-turn gearbox providing a total reduction ratio of 208:1 for high output torque. It features IP68 protection for harsh environments and can be operated manually via a handwheel or motorized with AUMA SA/SAR actuators.
  • Type: GS 125.3 + VZ4,3
  • Total Reduction Ratio: 208:1
  • Max Output Torque: 8,000 Nm
  • Input Torque: 110 Nm
  • Swing Angle: Adjustable (10° – 100° or 100° – 190°)
  • Protection Class: IP68
  • Operating Temperature: -40 °C to +70 °C
  • Valve Mounting Flange: EN ISO 5211 F16 – F25 – F30
  • Duty Type: S2 – 15 min
  • Weight: Approx. 46 kg
  • Compatible Actuators: SA 10.2, SA 14.2, SA 14.6