Single Acting Model SA-50
A spring return fail-safe operator. The design incorporates a spring which provides virtually linear torque characteristics throughout its travel. Unit is available in 90° rotation. Provision for manual override is standard on all units. The double piston, double rack and pinion design operates on 80 to 120 PSI.

Double Acting Model DA-75
A compact air-to-air valve actuator made of corrosion resistant materials. The double piston, double rack and pinion design proves to be durable and consistent in its range of torque output. This model operates on 60-120 PSI air supply.