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A circle with two triangles and a limited-rotation arrow.
Also known as: Rotary actuator symbol, Semi-rotary actuator, Swing motor symbol
In ISO 1219 fluid power diagrams an oscillating motor, or rotary actuator, is drawn as a circle with flow triangles and an arrow showing rotation through a limited angle rather than continuous turning.
Denotes an actuator that rotates through a limited angle and back rather than turning continuously.
Contexts: Technical drawing
Occupies the ground between a motor and a cylinder: it produces rotation like a motor but over a bounded stroke like a cylinder.
Contexts: Technical drawing
A circle with flow triangles at its ports and a curved double-headed arrow inside showing rotation back and forth through a limited arc.