Why does the color plate of the magnetic flap level gauge keep flipping up and down?
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Why does the color plate of the magnetic flap level gauge keep rolling up and down? If the valve on the lower liquid pipe is closed to 90 degrees, it stops rolling. I want to know why it rolls when the valves connecting the upper and lower parts are fully open. Under what conditions does it stop rolling, and under what conditions does it keep rolling?
Is there any fluctuation in the liquid level inside? Or is there air leakage below the level gauge under negative pressure conditions?
What is the internal medium, and check whether there are large fluctuations in liquid level
It should be related to the internal medium; for those with a low boiling point or that are easy to vaporize, their level will fluctuate depending on the temperature.