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Technical & Practical

February 1, 2010

The ‘BIST’ In Electronic Valve Actuators

Smart actuators designed with BIST capabilities allow rapid identification of potential component  failure, reduced operational downtime and increased overall plant safety

Earnest Carey, Jr., Flowserve, Flow Control Division

For valves operating in hazardous environments, certification testing is critical to ensure the reliability and safety of the equipment. But this testing process has historically required facilities to shut down and sacrifice valuable production hours to check each valve. Built-in self-test (BIST) capabilities in smart, electronic valve actuators were developed in response to these testing challenges. This article examines how BIST simplifies valve testing and reduces the cost, while increasing the level of confidence in valve and actuator safety....

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