Microfinish valve can be manually operated by lever/gear box, or alternatively, it can be automated pneumatically, electrically or hydraulically. Automated unit avoids human interaction with the valve while controlling the flow. Automated valve can be remotely operated, but can also act spontaneously in case a dangerous situation is detected, e.g. Emergency Shutdown Devices (ESD). The automated valve package can be designed as a fail-to-open, fail-to-close, or stand-still as per the system architecture. Automation can also be distinguished by whether they are for quarter-turn, multi-turn, or linear operation.

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