Hytork® pneumatic rack and pinion valve actuators combined with TopWorx solenoid and switchbox accessories are the premium quality offering for automation of industrial valve applications in process plant. Designed for long life use, incorporating customer input, the body of the cast aluminium actuator provides extra drilled mounting holes for both top and bottom mounted accessories and can be directly mounted to butterfly valves. Actuator recognition at a distance is made easier by way of cast-in size identification. Springs carry a life-time guarantee and maintenance either in-field or in-workshop can be swiftly carried out by way of the patented “Safekey” quick release end cap facility. Hytork® actuators can also be provided with a unique internal and external “Commando” corrosion protection coating, to combat aggressive corrosive environments.