Are you specifically seeking valve monitoring or valve monitoring and control ?
VALVE MONITORING
Provide both local and remote valve position indication via discrete limit switch sensing or unlock continuous monitoring with more advanced 4-20mA position transmitters
VALVE MONITORING + CONTROL
Add an integrated pilot/solenoid valve to your valve monitoring solution to control air flow to operate the valve actuator. This neatly packaged solution is pre-wired to simplify your valve package.