Pneumatic valve actuator QLS

linearpistondouble-acting

QLS series sliding piston actuators provide maximum thrust output and fast stroking speeds compared with same sized diaphragm one. Double acting and single acting are available. Double acting to give maximum force in both directions, while spring return provide fail-open or fail-closed operation.Various accessories can be incorporated to position a valve in the event of supply pressure failure (FC, FO, FL). Fast stroke time of 1S, 2S, 3S, 4S and other levels can be obtained with quick exhaust valve and other accessories. Top gear or sidi gear