Univer Pneumatic Rotary Actuators

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Rotating cylinder

  • Pressure: 1,5…10 bar
  • Temperature: -20…+80 °C 
  • Bore diam.: 32mm

Pneumatic rotary actuator. Pinion with ajustment (male). Fluid: filtered air (without or with lubrication)

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Cylinder with male pinion without adjustment (degree of accuracy ± 3°)

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Cylinder with male pinion, adjustment ± 5°.

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Cylinder with female pinion without adjustment (degree of accuracy ± 3°)

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Cylinder with female pinion with adjustment ± 5

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Pneumatic rotary actuator. Pinion without ajustment (male). Fluid: filtered air (without or with lubrication)

Pneumatic rotary actuator. Pinion without ajustment (male). Fluid: filtered air (without or with lubrication)

Pneumatic rotary actuator. Pinion without ajustment (male). Fluid: filtered air (without or with lubrication)

Pneumatic rotary actuator. Pinion with ajustment (male). Fluid: filtered air (without or with lubrication)

Pneumatic rotary actuator. Pinion with ajustment (male). Fluid: filtered air (without or with lubrication)

Pneumatic rotary actuator. Pinion with ajustment (male). Fluid: filtered air (without or with lubrication)

The UNIVER rotary actuator incorporates several technological features that provide a higher degree of accuracy and reliability. The robust mechanical design expands the scope of applications in modern automation.

Rotary pneumatic cylinders are considered to convert linear motion into circular motion with standard or customized angles of rotation. Constructed from proven components, they include rack backlash compensation and a ball bearing supported rotating stud making these units ideal for use in the most demanding applications.

Technical specifications:

  • Ambient temperature: -20 ÷ 80 °C
  • Working environment: filtered air with or without lubrication
  • Operating pressure: 1.5 ÷ 10 bar
  • Lids: aluminum
  • Sleeve: aluminum
  • Piston: cast aluminum
  • Guide ring: acetal resin
  • Gear rack: stainless steel
  • Piston seal: NBR
  • Gear: nitrided steel
  • Seals: NBR
  • Dampers: pneumatic adjustment (basic supply)


A rotary actuator is a pneumatic cylinder used to provide a rotary or angular motion that provides stroke in an oscillating motion at a certain angle. They are durable and provide relatively high force (torque) for their size. Rotary actuators simplify design and can reduce maintenance issues.

Pneumatic systems operate smoothly, have a simple design, which can be easily serviced by the master during operation. They are reliable and easy to manage. The pneumatic drive can be adjusted depending on the required speed (using throttles), and it is also possible to set the required force to it (by adjusting the pressure).

Application of pneumatic actuators

Due to their operating principle and advantages, pneumatic actuators have a wide range of applications. For example, they are used in industry to equip a compressed air control system that ensures the operation of mechanisms and equipment, depending on the type of production.

The pneumatic actuator is used to actuate shutoff valves in the required positions in various industries, various devices and mechanisms that perform monotonous and complex operations when great human effort is required.

Peculiarities

  • The pneumatic actuator consists of a number of elements that are necessary when performing certain functions:
  • receiver of timeliness and uniformity of compressed air supply;
  • air collector;
  • filter for removing impurities and dust particles from the air stream;
  • heat exchanger (provides a decrease in air temperature before it is supplied to the air motors);
  • moisture separator to prevent wear of the pneumatic system elements from the effects of condensate in a humid environment;
  • compressor that compresses the air entering the system;
  • pressure reducing valve for supplying compressed air flow with constant pressure to consumers;
  • distributor to control the movement of the output links;
  • Oil sprayer for injection of lubricating fluid into the air;
  • pneumatic motor.


The use of a pneumatic actuator provides the user with a fire-safe environment. The pneumatic actuator can be used in various weather conditions.

Univer Pneumatic Cylinders take advantage of the improvements resulting from recent years of research; in fact, they can fully satisfy the most demanding users.

The operation with non-lubricated air should be noted, as it allows it to be used in many industries while maintaining the environment. Robust construction and selected components ensure excellent performance and a very long service life.

The wide range of Univer Group products is widely used in the automotive industry. All components meet international quality standards, and the manufacturer has long established itself as a reliable partner in industrial automation. We offer original Univer Group components with delivery, quickly and at the lowest possible prices for you.