Double-Acting Pneumatic Actuator, Model GDR | GEMÜ

The GEMÜ GDR Pneumatic Actuator is a double-acting quarter-turn actuator designed for on/off operations in industrial fluid control systems. Manufactured in Germany by GEMÜ, it offers higher torque and fast response in both directions of rotation, making it ideal for applications requiring precise control and frequent operating cycles. Its compatibility with international standards and compact design make it a reliable solution for valve automation in demanding industrial environments.

Applications

• Automation of butterfly valves in industrial pipelines
• Control of ball valves in process systems with frequent cycles
• Water and wastewater treatment plants
• Chemical, petrochemical, and pharmaceutical industries
• Food and beverage industry
• HVAC systems and industrial climate control
• Power generation plants and utilities
• Processes requiring active bidirectional control without spring return

Technical Specifications

• Actuation type: Pneumatic, double-acting
• Rotation angle: 90° (quarter-turn)
• Rotation direction: Clockwise to close
• Flange connection: ISO 5211
• Solenoid valve connection: Standardized (pneumatic piloting)
• Position feedback: Included
• Available sizes: DN 50–65 / DN 80–125 / DN 150–200
• Country of manufacture: Germany
• Brand: GEMÜ

Other Common Names

This product is also known as: double-acting pneumatic actuator, bidirectional pneumatic drive, double-acting actuator, actuator for butterfly valve, actuator for ball valve, pneumatic rotary actuator, pneumatic quarter-turn actuator or double-acting pneumatic actuator.