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Duff-Norton manufactures  Mechanical Actuators (Screw Jacks), Electromechanical Linear Actuators, Electric Cylinders and  Rotating Joints. 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.

SuperCylinders Homeland Security Uses SuperCylinders 2D/3D Models


Electromechanical Actuators
Rotary Union
Duff-Norton introduces new line of Electric Cylinders. SuperCylinders are the perfect fit for critical applications demanding high capacities to 25 tons, high speeds to 136 inches per minute, and stroke lengths up to 13 feet up. Super Cylinders are clevis or trunnion mounted and utilize ball screw or acme screw drive systems. Click above to see how Duff-Norton products have replaced hydraulic and pneumatic cylinders used to protect domestic and international high security installations. Save Engineering Time
Duff-Norton’s website was first in the industry to offer “Designs On Line”. This 2D/3D modeling page that allows our worldwide customers to download our Linear Actuators including Mechanical Actuator (Screw Jack), Electric Actuator and Electric Cylinder models directly into their project designs in a format for their specific CAD system. Click above to enter our “Designs On Line” modeling page resulting in greater accuracy and significant design time reduction for engineers.
Need Fast Delivery?
Duff-Norton is continuously evaluating programs that set new industry standards for Customer Service Excellence. Click above to learn more about our exciting Quickship programs with 3 and 5 day shipping on select Mechanical Actuator models, 24 hour shipping on our most popular Electromechanical Actuator models, and 24 hour
shipping on many Rotary Union models.