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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.
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Manufacturer: Topworx
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Valve Type: Solenoid & Switches
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Sub-Type: Discrete Valve Controller
- 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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