WM Pneumatic actuator has been in Finnish market already more than 30 years. The actuator design has following features: Piston gear teeth are equipped with a support bar which rolls against the relief in the shaft. This relieves the load on the teeth, makes smooth travel and increases life of actuator. As a result of our patented design of return springs, single acting actuators have the same dimensions as double acting.
Torque figures are between 21 Nm to 4500 Nm.