Double Acting Pneumatic Actuator

A double-acting pneumatic actuator is a type of mechanical control device that operates using air pressure applied in both the opening and closing directions. In these actuators, the piston moves in both directions with air, providing more controlled and balanced motion. They are commonly used in industrial automation systems, especially in applications where valves need to open and close quickly and precisely. Using air pressure in both directions instead of a spring contributes to the actuator’s safe and stable operation.

Double-acting pneumatic actuators developed by UNOX are offered as fully domestically produced devices. They are particularly effective for the automatic control of 90-degree rotary valves and dampers. These actuators are designed with high precision to enhance both system safety and efficiency.

Double-acting systems not only allow the process to be stopped but also enable controlled changes in flow direction. This feature ensures maximum performance in process control systems.

Where Are Double-Acting Pneumatic Actuators Used?

These types of actuators are widely preferred in many different fields, including the chemical industry, petrochemical plants, water and wastewater treatment systems, power plants, food processing facilities, and HVAC systems. Additionally, double-acting actuators are frequently used in places where reliability and precise control are critical.

In environments that require high-performance operation, rapid opening and closing actions, or systems that demand frequent cycle repetitions, the double-direction pressure control provided by these actuators offers significant advantages. Particularly in pneumatic butterfly and ball valves, these actuators are used with maximum efficiency to ensure precise and reliable operation.

Çift Etkili Pnömatik Aktüatör Genel Özellikleri

• Body: Aluminum Extrusion

• Pistons: Cast Aluminum

• Shaft: Cadmium Coated Steel

• Sealing: Nitrile Rubber

The actuator is made from materials that provide high corrosion resistance and long service life. This allows it to operate reliably even under harsh process conditions.

Types of Control

• On-Off Control

• Proportional Control

While on-off control fully opens or closes the valve, proportional control allows for precise adjustment of the flow. This feature makes it possible to automatically maintain the desired flow rate in the system.

Construction Details

• The cylinder surface, thanks to its aluminum extrusion structure, has a low friction coefficient and high strength.

• The pistons are designed to allow easy change of direction, providing fast and efficient operation.

• A high-quality steel pinion system is available, compatible with installation angles between 45° and 90°.

• Industrial hard plastic bearing components allow for minimal wear and maximum quiet operation.

• The module gears are machined using special processing techniques for high-precision machinery.

• Thanks to its stainless steel components, long-lasting outdoor durability is ensured.

• It is manufactured in full compliance with international standards such as ISI 5211, DIN 3337, and VDI/VDE 3845 NAMUR.

For detailed information and other actuator models, you can visit the Unox Pneumatic Actuator Category page.