TopWorx ESD Valve Controller offers a complete partial impact test solution with unique characteristics and functionality to ensure that partial impact testing of emergency shut-off valves does not interfere with or shut off the process.

The sensor control module can partially close the valve without affecting the process

Indicates pass/fail by a high/low response to the return signal

Feedback DCS or PLC open, close and partial impact test position sensors

On-board diagnostics enable predictive maintenance and early warning alarms

Aluminum, composite and 316L stainless steel platforms are certified for use in fire/explosion proof, intrinsically safe, or non-combustible hazardous areas

The device integrates an optional local, lockable partial stroke test button