Festo DFPD Series 8 bar Double Action Pneumatic Rotary Actuator, 90° Rotary Angle, 300mm Bore

Festo DFPD series quarter-turn rotary actuators feature a rack and pinion combination with a constant torque characteristic. The modular and compact design of the DFPD series allows various spring configurations as a suitable solution for different applications. They are the perfect solution for automating your butterfly valves, ball valves and air shut off valves. This range is also suitable for water/wastewater, beverage, pharmaceutical and process automation.

• Uniform torque characteristic across the entire rotation angle of 90° with the double-acting version
• Version with swivel angle 120°, 135°, 180° for the sizes 40, 120, 240, 480, double-acting
• Process valve connector according to ISO 5211
• Mounting hole pattern to VDI/VDE 3845
• Sturdy, non-slip, and easy-to-clean aluminium housing
• Long service life, low wear
• Increased corrosion protection
• Single and double acting options
• Port pattern to NAMUR VDI/VDE 3845 for mounting solenoid valves, position sensors and positioners

Quarter turn rotary actuators are components that are operated by compressed air which produces a rotary motion via a shaft to control the speed and rotation of attached equipment. In this scenario, the rotary actuator will turn a quarter when rotating.

This pneumatic rotary actuator is designed for robust performance within automation applications. With a compact design and 300mm bore, the actuator features a double action mechanism with an impressive 90° swivel angle. Engineered for reliability, it operates effectively under varying conditions, making it a preferred choice in the mechanical and electrical industries.

• Offers high torque output up to 301.9 Nm for effective operation
• Suitable for diverse mounting positions to fit various setups
• Features a rack and pinion design ensuring smooth motion
• Equipped with safety functions certified to SIL standards for enhanced reliability

• Utilised in valve control systems requiring precise positioning
• Effective in industrial automation for reliable rotary motion
• Ideal for in environments with potential explosive atmospheres
• Used with devices needing dual-action operations in confined spaces

The maximum operating pressure is set at 8 bar, with a burst pressure reaching 24 bar, ideal for timely operations.

Yes, it is certified for use in potentially explosive zones, complying with ATEX and UKEX standards across various applications.

A G 1/4 port connection is provided, ensuring compatibility with standard pneumatic systems for ease of installation.

Designed for ambient temperatures ranging from -20°C to 80°C, this actuator operates reliably in extreme conditions.