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Understanding Valve Actuator Diagnostics

发布时间:2009-11-11     www.cechina.cn      

摘要:Constant diagnostic evaluation of electric motor-operated valves (MOVs) has become an important tool for asset management, predictive maintenance programs, troubleshooting, and scheduled periodic maintenance.
rratic external command signals控制工程网版权所有, as well as report current statuswww.cechina.cn, alarmsCONTROL ENGINEERING China版权所有, and the actuator’s health.
        Saving time, money
        There are countless diagnostic-testing techniques that can be performed for MOVsCONTROL ENGINEERING China版权所有, including partial stroke and emergency shutdown tests. Valves and actuators should be equipped with the core requirements for continuous embedded-device testing while installed in industrial applications.
        As plant asset management systems continue to expand控制工程网版权所有, an electric actuator that monitors MOV health indicators and communicates the results in a user-friendly fashion is just as essential as actuating the valve. This information helps you and your maintenance staff minimize unplanned downtime and prioritize maintenance during scheduled outages to increase the profitability of your facility.


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