(1) it has large load and can adapt to the application of high torque output.

(2) quick action and quick response.

(3) good adaptability of working environment, especially in the inflammable, explosive, dusty, strong magnetic, radiation and vibration and other harsh working environment, it is superior to hydraulic, electronic and electrical control.

(4) the motor is easy to be damaged when the stroke is blocked or the valve rod is tied.