Control valve
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 5, 2022
Grant Date -
May 9, 2019
app pub date -
Aug 22, 2018
filing date -
Aug 22, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a control valve for adjusting a process fluid flow of a process plant, comprising a valve housing with a valve seat and a valve member connected to a valve rod, which cooperates with the valve seat for opening and closing the control valve, wherein the valve rod is electrically connected to the valve housing through a contact device. The invention is characterized in that a measuring device for the ohmic transition resistance measurement of the contact device is provided, and that the measuring device is arranged in a measuring line that connects the valve housing to the valve rod.
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