The Hytork COMMANDO XL-series rack & pinion actuator is variation of the Hytork XL actuator and solves aggressive corrosion problems. The 12 actuator sizes are designed to automate the most popular quarter turn valves like ball, butterfly and plug valves. A proprietary heat treatment with CG941 fluorpolymer impregnated in the body makes it impervious to corrosion.The steel pinion is also fluorpolymer coated. Field service has shown that the Commando actuators outperform other actuators in corrosive environments.