Rotary Actuators

Air Torque - Pneumatic Rack & Pinion Rotary Actuator

Size: PT045 to PT1000, AT045U to AT1001U

Max. Rotation: 90o, 120o, 135o, & 180o

Max Torque: 10,000 Nm or 88,500 Lb-In

Options: Handwheel, Travel stops

The Air Torque pneumatic rack and pinion actuator is designed for all industrial applications. This actuator is a rotary motion device ideal for all types of rotary valves. The torque output of the actuator depends on the actuator area, pneumatic supply pressure, spring stiffness, distance traveled, initial compression of the spring, the number of springs internal to the actuator, etc.

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Features & Benefits

  • Externally adjustable travel stops (+/- 4o­)
  • Square-end position either diagonal or parallel
  • Position indicator can be customized in steps of 45
  • No special tools needed for mounting and conversion
  • Power transmission without clearance thanks to involute serrations
  • Direction of rotation can be reversed without additional components
  • Special surface treatment method
  • Designed for signal pressures up to 116 psi and for continuous operation at temperatures from -20 to 80 o­C