Gearboxes GQB

AUMA part-turn gearboxes are used for operating part-turn valves (e.g. butterfly valves, ball valves).


  • Type of duty:
    Short-time duty S2 - 15 min (open-close duty)
  • Operation modes:
    - Manual operation directly with handwheel
    - Motor operation (by electric multi-turn actuator)
  • Gearboxes are always provided with an input mounting flange
  • Clockwise rotation at input shaft results in clockwise rotation at output drive