Valvetop SIL-3 D-ESD Valve Controllers from TopWorx
March 16, 2009
Unique Features and Functionality
Suitable for use in SIL-3 applications
- Aluminum, Composite, and 316L Stainless Steel platforms certified for use in Flameproof/Explosion Proof or Non-Incendive hazardous areas
- Integrated solution with all controls in a single housing
- Conventional wiring without the need for controller upgrade
- Sensor Control Module to partially close the valve without disrupting the process
- Pass/Fail indication via high/low response on the return signal
- Anti-slam close software
- Open, Closed, and Partial Stroke Test position sensors for feedback to the DCS or PLC
- An optional local, lockable partial stroke Test Button integral to the unit
The TopWorx Partial Stroke Test Solution provides simple pass/fail Onboard Diagnostics to alert the user to the following Dangerous Failures:
- Valve packing/shaft damage
- Actuator spring fatigue/breakage
- Solenoid pilot exhaust blockage
- Solenoid spring failure
Click to visit the TopWorx website.