Valves gearboxes > Part-turn gearboxes
General information to the worm gearboxes GS

AUMA worm gearboxes offer the ideal solution for the operation of part-turn valves, on account of their

  • robust gearboxes for manual operation and motor operation
  • swing angle of 90 e.g. for the operation of butterfly valves and ball valves
  • any swing angle up to 90
  • any swing angle > 90 or multiturn version possible (gearbox without end stop), e.g. for dampers


AUMA worm gearboxes are equipped with

  • end stops set in our works to the individual angle of rotation
  • valve mounting flanges integrated into the cast iron housing
  • separate couplings which can be repositioned
  • a lubricant which guarantees a long life-time
  AUMA worm gearboxes fulfill a high standard.
  • high class of enclosure protection: IP 68 according to EN 60 526
  • high quality of corrosion protection

  AUMA worm gearboxes: Optional extras
  • reduction gear for the further reduction of the input torque
  • valve position indicator for
    - position indication,
    - generation of end position signals and
    - direct position signal
  The explosion proof actuator controls are based on the actuator controls AUMA MATIC 
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