A 120° rotary pneumatic actuator is a type of actuator that operates with compressed air and produces rotary motion. This system is used to rotate equipment such as valves and dampers to a specific angle. With a rotation angle of 120° instead of the standard 90°, it provides a wider range of motion for special applications. The actuator converts the incoming air pressure into mechanical motion, generating rotational movement on the shaft. This allows the control valves in the system to be positioned as desired.

The operating principle of the product is based on the symmetric pistons being pushed by air pressure to generate rotary motion. For the return movement, a second air line or a spring is used. This allows effective control in both opening and closing directions. It is particularly advantageous in processes that require precise adjustments.

The 120° rotary pneumatic actuator models are designed and locally manufactured by UNOX, providing solutions for a wide range of industries.

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Where to use?

These actuators are generally used in industrial facilities where specialized valve control is required. They provide significant ease, especially in directing three-way valves. They are widely preferred in chemical processes, power plants, and petrochemical facilities. In addition, they deliver successful results in water treatment and HVAC systems.

Thanks to its wide rotation angle, more effective control can be achieved in confined spaces. It offers more flexible operation compared to other pneumatic actuators and can be easily integrated with remote control and automation systems. For all these reasons, many industries prefer the 120° rotary system.

What Are the Technical Specifications?

UNOX 120° pneumatic actuators are made with aluminum bodies, providing corrosion resistance. The pistons are made of aluminum casting material, offering long-lasting performance. The shaft is manufactured from cadmium-plated steel, minimizing the risk of deformation under high torque.

A nitrile rubber seal system is used for leak prevention. The 120° rotation range allows for versatile control. The mounting dimensions comply with the ISO 5211 standard, making it compatible with many valves. In addition, it can also operate in integration with double-acting pneumatic actuator models.

Why Choose a 120° Pneumatic Actuator?

Standard 90° rotary systems can be insufficient in some applications. In such cases, 120° rotary actuators are preferred. The wider rotation allows for more precise valve positioning, thereby increasing both system efficiency and safety.

While saving energy, maintenance requirements are kept to a minimum. UNOX-branded locally manufactured actuators are user-friendly both economically and technically. For detailed information and other models, the UNOX actuator page can be visited.