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Kinetrol Rotary Vane Actuator Models

The Most Reliable 1/4 Turn Pneumatic Actuator on the Market Today. Period.

Kinetrol engineered the first rotary vane actuators in 1958. The rotary design is based upon a single moving part which eliminates additional parts required to convert linear motion to rotary motion.

This simple and innovative design provides a highly accurate and extremely reliable actuator for operating valves, drives and dampers, and is perfectly suited for the most demanding process control control applications.

Internal view of vane actuator

  • Torque outputs up to 356977 lbf ins (40765 Nm).
  • A single moving part.
  • Compact size combined with high torque output.
  • Easy double-acting to spring-return conversion.
  • Very accurate modulation for quarter-turn control valves.
  • Dual-opposed, low friction lip seals for extremely long life.
  • Totally enclosed spring housing, not exposed to corrosive atmospheres.
  • No pressure retaining shaft seals or O-Rings.
  • Fast operation with large ports and no air restrictions.
  • 80-100 deg. rotation standard, adjustable and fixed.



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