Failsafe Revival Test for Knife Gate Valves with Electro Pneumatic Positioners
Journal Title: International Journal of Trend in Scientific Research and Development - Year 2020, Vol 4, Issue 6
Abstract
Processing applications work on the principle of metered flow of working media to ensure accurate execution of the processes in the further stages. These may include food or raw material processing units that are highly concerned about the quantity of flow media passing through a given section in a given period of time. Foe specific applications, higher precision is required when it comes to the percentage of opening of the flow area as the same is directly proportional to the success of the process. In such cases, special accessories called positioners are used that can position the valve trim components to a desired extent to initiate the necessary percentage opening of flow. This paper shall focus on such positioners mounted on Knife Gate Valves and their ability to deliver precision in the opening percentage. The condition considered shall be that of a failsafe revival requirement wherein during operation, if there is failure of electric power or air supply, the valve shall act according to the set failsafe condition and once the electric power or air supply is restored, the valve opens to the same opening as it was before the said failure. This can clearly demonstrate the property of precision of the positioner. In order to ensure wider applicability, four such positioners shall be considerde and an experimental procedure shall be put forward and followed accordingly. The results obtained shall be described in the form of graphs and a conclusion shall be drawn accordingly towards the end. Gourav Vivek Kulkarni "Failsafe Revival Test for Knife Gate Valves with Electro Pneumatic Positioners" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-6 , October 2020, URL: https://www.ijtsrd.com/papers/ijtsrd33569.pdf Paper Url: https://www.ijtsrd.com/engineering/mechanical-engineering/33569/failsafe-revival-test-for-knife-gate-valves-with-electro-pneumatic-positioners/gourav-vivek-kulkarni
Authors and Affiliations
Gourav Vivek Kulkarni
Keywords
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