Duff norton, usa, offers dc actuators in capacities ranging from 3500 to 27000 lbs. They are available in 12 models, and designed with high mechanical efficiency. These actuators are highly reliable and can be synchronised for multiple usage. The screw speed is as fast as 120 inches per minute. These high duty cycle actuators are specifically designed for continuous operation. The gear set operates in an oil bath for thermal efficiency and long life.