Overview

The Double Acting Pneumatic Actuator is one of the most widely used actuation systems in industrial automation. It utilizes compressed air to drive the piston in both the opening and closing directions, providing precise control, fast response, and consistent torque throughout the entire operating cycle without the need for a return spring.

UNOX Double Acting Pneumatic Actuators are manufactured to the highest quality standards and are designed to operate 90° quarter-turn valves, including butterfly valves, ball valves, and dampers, ensuring reliable operation and high efficiency across a wide range of industrial applications.

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Features

* Pneumatic operation in both opening and closing directions.
* Fast response with precise control.
* Constant output torque throughout the full operating cycle.
* Lightweight, high-strength aluminum housing.
* Excellent resistance to corrosion and harsh environmental conditions.
* Long service life with minimal maintenance requirements.
* Easy installation with standard valves and accessories.
* Ideal for continuous operation and high-cycle applications.

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Applications

Double Acting Pneumatic Actuators are widely used in various industries, including:

* Chemical processing
* Petrochemical plants
* Water and wastewater treatment
* Power generation plants
* Food and beverage processing
* Steam systems
* HVAC systems
* Pharmaceutical manufacturing
* Automated production lines and industrial processes

They are the ideal solution for applications requiring fast response, precise control, and frequent opening and closing cycles.

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Control Types

On/Off Control

Provides full opening or full closing of the valve using compressed air, making it the preferred solution for isolation and basic control applications.

Modulating Control

The actuator can be equipped with a Positioner to provide proportional valve positioning, enabling precise control of flow rate, pressure, or temperature according to system requirements.

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Design Features

* Extruded aluminum cylinder with a low-friction surface for high operating efficiency.
* Precision-engineered pistons delivering balanced torque in both directions.
* High-precision gear mechanism for smooth and reliable operation.
* Engineered bearings that minimize friction and wear while extending service life.
* Corrosion-resistant metal components designed for demanding industrial environments.
* Fully compliant with ISO 5211, DIN 3337, and VDI/VDE 3845 (NAMUR) standards for easy integration with standard valves and accessories.

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Why Choose UNOX Pneumatic Actuators?

UNOX Double Acting Pneumatic Actuators combine superior manufacturing quality with reliable performance, offering fast response, consistent torque, and exceptional durability. Their full compatibility with industrial automation systems makes them an ideal choice for valve actuation in a wide range of industrial applications.

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Compatible Products

The Double Acting Pneumatic Actuator is compatible with a wide range of quarter-turn valves, including:

* Butterfly Valves
* Ball Valves
* Dampers