single-acting actuator

single-acting actuator

single-acting actuator
A linear hydraulic or pneumatic actuator that uses fluid power for movement in one direction and a spring for its return.
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Caption: Drawings and charts reflect data comparing fail-safe actuator without the use of springs (highlighted in red) versus single-acting actuators of various designs with the use of springs (highlighted in grey).
With only one controller able to work on linear and rotary valves as well as double and single-acting actuators the ND9000 controller is easy to install and configure.