Duff-Norton manufactures Mechanical Actuators (Screw Jacks), Linear Actuators, Electric Cylinders and Rotary Unions. Since 1883, Duff-Norton has earned a reputation for reliable, high quality products meeting the industrial lifting, positioning, and transfer needs of our worldwide customers and has been ISO 9001 registered since 1994.

• Our outside sales force is directly employed and handles only Duff- Norton products.
• To assist in providing solutions for your applications, our product lines are supported by a staff of 11 engineers with Duff-Norton experience totaling 260 years.
• Duff-Norton is the largest Mechanical Actuator manufacturer in the world with the largest installed base of actuators globally.
• Duff- Norton began building Machine Screw Actuators in 1935, Ball Screw Actuators in 1962, and Electromechanical Actuators in 1971.
• A Lifetime Warranty is offered for Mechanical Actuators.
• We have the broadest product range in Mechanical and Electromechanical Actuators.
• Duff-Norton can provide complete motion control systems, including sophisticated controls, at very competitive pricing.
• Our Rotary Union® product line has been manufactured since 1944.
• The Rotary Union® product line offers a wide selection of 32 series for high pressure, high speed, multiport, or swivel applications.
• Our Quickship programs offer fast deliveries for Duff-Norton Mechanical and Electromechanical Actuators and Rotary Union® products.