Parker-Helac is a manufacturer of helical hydraulic rotary actuators for over 50 years. Helac is a premier supplier of optimized engineered solutions used to move, support and position rotating loads. Helac rotary actuators are powerful and compact with drift-free positioning, high shock resistance with overload protection and massive radial and thrust capacity inherent to all designs. Typical rotary actuator applications include hydraulic wheel steering, boom positioning, davit rotation, boom sprayers, access ramps, conveyors, drill positioning, pipe handling, tipping/dumping, and other tool positioning applications.