Details

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Product Description

The AUTOMA AD Series Double Acting Pneumatic Actuator is a scotch yoke type rotary actuator designed for high torque valve automation in industrial applications. This actuator is widely used for operating ball valves, butterfly valves, plug valves, and dampers where reliable and powerful actuation is required.

Unlike rack and pinion actuators, the scotch yoke mechanism delivers higher torque at the start and end of the stroke, making it ideal for applications with high breakaway torque, such as large size or high-pressure valves.

The actuator is manufactured with a precision-machined aluminum body and hard anodized internal surfaces, ensuring durability, corrosion resistance, and long service life. It is designed according to ISO 5211 mounting standards, allowing direct installation on valves, and supports NAMUR mounting interfaces for accessories such as solenoid valves, limit switch boxes, and positioners.

The AD Series operates using compressed air supply (typically 4–7 bar) and provides 90° rotary motion for quarter-turn valve control. The double acting design uses air pressure for both opening and

closing, ensuring fast, stable, and repeatable operation in demanding industrial environments.

AUTOMA pneumatic actuators are widely applied in industries such as oil & gas, petrochemical, power generation, water treatment, and industrial automation systems, where high torque performance and reliability are critical.

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Key Features

Scotch Yoke Mechanism (High Torque Design)
Provides higher torque at start and end positions, ideal for heavy-duty valve applications.

Double Acting Operation
Air pressure controls both opening and closing for consistent and fast actuation.

ISO 5211 Direct Mounting Standard
Ensures easy installation with ball valves and butterfly valves.

NAMUR Interface Compatibility
Supports mounting of solenoid valves, limit switch boxes, and positioners.

Anodized Aluminum Body Construction
Offers corrosion resistance and extended service life.

Precision Engineering & Low Friction Design
Ensures smooth operation and reduced wear over time.

90° Rotary Operation
Standard quarter-turn actuator for valve automation systems.

Wide Size & Torque Range
Available in multiple models to suit different valve sizes and torque requirements.

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Typical Applications

• Ball valve automation

• Butterfly valve actuation

• Plug valve and damper control

• Oil & gas and petrochemical plants

• Water treatment and wastewater systems

• Power generation facilities

• Industrial process automation

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