If the drive shaft is to be positioned at a certain angle to the output drive shaft, combinations of the multi-turn actuators SA with AUMA spur gearboxes GST are used.

The output torque can be increased many times.


Design features

  • Planetary spur gearboxes for torques up to 16,000 Nm
  • Lifetime according to EN 15714-2
  • Valve attachment according to EN ISO 5210
  • Suitable for manual and electrical operation


  • Square for input shaft (adapter)
  • With stem nut for use as screw jack
  • Stem protection tube Position and end position signalling during manual operation
  • With second shaft end with or without protective cap
  • ATEX approval
  • High and low temperature version

Ambient conditions

  • Suitable for ambient temperatures –40°C to +80°C
  • Top quality corrosion protection with AUMA powder coating
  • Stainless steel input shaft
  • IP68


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