The TVC Positioners

They are designed to provide precise positional control of rotary or linear hydraulically or pneumatically actuated valve systems.
Comprehensive diagnostics package to facilitate the implementation of cost effective preventive maintenance programs
. All common communication protocols supported
. Low power - normal operation less than 2W plus solenoids
. Large graphics LCD with comprehensive status and data display
. Selectable solenoid drive sense for failsafe operation
. Selectable default operation on command signal /feedback signal break Zone 2 / 1 Infrared communication interface using an Exia keypad