Special rotary actuators

Stern designs and manufactures these special actuators which are required in various technical applications, where required a stable rotational movement times. Standard and special designs are manufactured for many years, enabling us to meet customer needs giving the correct solution for each project.

• Special designs to customer requirements
• Heavy duty hydraulic rotary actuators (1 or 2 piston rods)
• Wide range of sizes
• High torque output in a small package size
• Rotation can be specified to suit application
• Stroke adjusters for fine end of travel control
• Different mounting styles
• Options
  • Cushions
  • Proximity Switches
  • Position and speed transducers
  • Special seals

STERN’s  rotary actuators are also used in steel, which are subject to strict environmental conditions, while operating in a continuous cycle mode, with high operating temperatures and the use of special hydraulic fluids.