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Emergency Shutdown Valve Automation
Emergency Shutdown Valve Automation
Masoneilan offers the safety instrumented system market the latest technology in emergency shutdown valve automation and in-service valve partial stroking with a PST controller, the SVI II ESD. This highly reliable technology for process shutdown valves is a cost-effective solution to continuously test critical valves. This new microprocessor based product allows plant owner / operators to meet increasingly stringent process safety requirements. The SVI II ESD design is revolutionary in providing a designated safety function completely independent from the Partial Stroke Testing Function. The architecture of the product is designed with separation of the two functions. The built-in microprocessor and the built-in shutdown stage are independent. This design architecture offers a sophisticated platform while being Type A (simple device) compliant. The SVI® II ESD is equipped with five pressure sensors, one travel sensor and a multitude of internal sensors. It is therefore capable of diagnosing the health of the valve as well as monitoring online its own various sub-components. It provides more than 70 possible alarms/warnings.