TopWorx D-ESD

TopWorx D-ESD

Suitable for use in SIL-3 applications, TopWorx™ ESD Valve Controllers provide a complete Partial Stroke Test Solution with unique features and functionality that enable partial stroke testing of emergency shutdown valves without disrupting or shutting down the process.

Partial Stroke Testing for Emergency Shutdown Valves
Suitable for use in SIL-3 applications
Stainless, Aluminum, or Resin
Flameproof/Explosion Proof
  • Sensor Control Module to partially close the valve without disrupting the process
  • Pass/Fail indication via high/low response on the return signal
  • Open, Closed, and Partial Stroke Test position sensors for feedback to the DCS or PLC
  • Onboard Diagnostics to enable predictive maintenance and early-warning alerts
  • Aluminum, Composite, and 316L Stainless Steel platforms certified for use in Flameproof/Explosion Proof, Intrinsically Safe, or Non-Incendive hazardous areas
  • An optional local, lockable partial stroke Test Button integral to the unit

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