Duff-Norton Linear Actuators

Duff-Norton linear actuators offer a packaged solution to your motion requirements. The integration of the linear actuator and motor simplifies the process of specifying and purchasing components for your motion system.
Duff-Norton linear actuators offer several advantages over hydraulic cylinders when low maintenance, installation, and operating costs and, environmental impact are considerations.
Regardless of how simple your requirements or how complex, Duff-Norton electromechanical industrial linear actuators can be customized to suit your application.
Stainless Steel Screw Jacks
2-to-100-ton load capacity. Stainless Steel Screw Jacks offer positive mechanical action, precise positioning, and uniform lifting speeds. Standard configurations include upright or inverted units with translating or rotating lifting screws, and top plate, threaded, or clevis ends. Duff-Norton offers a complete line of both standard and custom engineered machine screw actuators for applications up to 350 tons.
- From 2 ton to 350 ton models.
- Sealed gear cavity keeps water and other contaminants out.
- Upright and inverted rotating screw models with traveling nut available.
- Available with keyed lifting screws for translating screw models.
- Can be retrofitted into applications where Duff-Norton non-stainless steel actuators have been previously used.
- Closed heights, lifting screw ends, worm shaft extensions, lifting screw thread pitches, materials, stop nut, bellows boot.




