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Duff-Norton manufactures Screw Jacks, Linear Actuators, Electric Cylinders, Rotary Unions, Acme and Ball Screws & Nuts and Rail Maintenance Equipment. Since 1883, Duff-Norton has earned a reputation for reliable, high quality products meeting the industrial lifting, positioning, and process heat transfer needs of our customers worldwide. Duff-Norton has been ISO 9001 registered since 1994. Our products are specially designed for a variety of industrial and commercial applications. The primary markets we serve include; steel forming equipment, packaging, industrial machinery, electrical & electronics, food and beverage, ergonomics, construction, printing, tire & rubber, paper, metal industries, wood products, metal fabrication and communications. 


News & Events
Environmental Excellence Award
Duff-Norton Awarded Environmental Excellence Award
Charlotte, North Carolina, June 2016

Duff-Norton has been selected as a recipient of the 2015 Charlotte Water Gold Award for Environmental Excellence in Industry. The Environmental Management Division-System Protection regulates the discharge of pollutants that enter into the municipal sewer system. Duff-Norton is subject to this program and is required to obtain wastewater permits which contain limits based upon the pollutants discharged. To be a recipient of the Environmental Excellence Award, Duff-Norton has complied with permit requirements, cooperated fully with System Protection, and has taken a proactive and innovative approach to protecting the quality of our water. This Award represents a team effort of the employees at Duff-Norton to provide good environmental stewardship to their community.
Screw Jack Application
Ball Screw Jack Application
Charlotte, North Carolina, May 2016

These ball screw jacks (which have been partially shielded) are helping control the cables on a series of port cranes.
ISO Certificate
Duff-Norton ISO 9001:2008 Re-certification
Charlotte, North Carolina, September 18, 2014

Duff-Norton a manufacturer of reliable, high quality products for the industrial lifting, positioning and process heat transfer needs since 1883 is proud to announce that it has been re-certified an ISO 9001:2008 compliant organization.
Click Here to download a copy.
DWA Series Rotary Union
Duff-Norton Introduces the NEW DWA Series Rotary Union
Charlotte, North Carolina, April 2014

The new DWA Series Rotary Union is a reliable and economical way to meet a broad range of process heating and cooling requirements. Suitable for applications where water, oils, or noncorrosive fluids reach a maximum temperature of 200°F (93°C), it is ideal for a wide variety of industries, from plastics and rubber to flexible packaging and printing. Click here for more information.
Duff-Norton control panel
Motion Control Solutions

Duff-Norton is expanding their Controls, offering a wide range of control systems for actuator control and general automation. Get a control system designed and integrated with the actuator. Duff-Norton offers standard control packages and custom control packages for special and custom applications. Let Duff-Norton's experts help minimize your installation cost and maximize your design productivity.