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Actuators

Rotary Actuators

Type BR31a – Pneumatic Rack & Pinion Rotary Actuator

Size: SRP/DAP 60 – 1200

Rotation: 90oF

Max Torque: 15,000 lbf-in or (1700Nm)

Temperature: -40oF to 176oF (-40oC to 80oC)

The Pfeiffer BR31a pneumatic rack and pinion actuator is designed for chemical and petrochemical 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 (+/ -4)
  • 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