ABB PME120AI Rotary Actuator

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1. Product Overview

The ABB PME120AI Rotary Actuator is a high-reliability electric actuator designed to drive and precisely control rotary final control elements such as butterfly valves, ball valves, dampers, and control valves. It supports continuous analog positioning control and provides stable, accurate operation for industrial process automation applications.

2. Key Technical Specifications (Typical)

• Model: PME120AI

• Type: Electric Rotary Actuator

• Rated Torque: Approx. 100 Nm

• Rotation Angle: Adjustable, up to 300°

• Control Mode: Analog input continuous positioning (AI)

• Positioning Accuracy: High-precision closed-loop control

• Power Supply: Via dedicated electronic control unit

• Manual Operation: Built-in handwheel for emergency use

• Mechanical Limits: Adjustable mechanical end stops

• Mounting: Direct mounting or coupling connection

• Protection Class: IP65 (typical, configuration dependent)

• Operating Temperature: -20 ℃ to +60 ℃ (typical)

• Service Life: Designed for long-term industrial operation

3. Advantages and Features

• High positioning accuracy suitable for modulating control applications

• Compact and robust design for industrial environments

• Wide adjustable rotation range for flexible valve adaptation

• Emergency manual override with integrated handwheel

• Low maintenance requirement reducing lifecycle costs

• Excellent compatibility with ABB automation and control systems

4. Typical Applications

• Industrial process automation systems

• Oil, gas, chemical, and pharmaceutical industries

• Power generation and energy systems

• Water and wastewater treatment plants

• HVAC and industrial piping systems

• Metallurgy, pulp & paper, food and beverage industries

5. Installation and Operation Notes

• Ensure actuator torque matches the driven valve or device

• Verify power supply and control signal specifications before wiring

• Perform wiring and commissioning with power switched off

• Avoid installation in environments with excessive vibration or corrosion

• Periodically inspect mounting, mechanical limits, and wiring

• Disconnect control signals before using the manual handwheel