Double-flange compression problem

It’s simple: because you’re applying pressure, the nitrogen flow is increased too quickly; you need to increase the pressure gradually

During pressing, if the nitrogen pressure is too high, the pressure acting on the pressing side increases sharply, causing the liquid level to rise very high

The nitrogen pressure is around 2 kilograms, and the storage tank is also quite large; so the liquid level should not increase much, right?

Is it normal for the nitrogen pressure to be 2 kilograms and the liquid level to increase by 40%?

It seems that nitrogen is being introduced from above; therefore, the side under negative pressure should change first, and there should be a sudden drop in pressure. Is the double-flange design installed in reverse? 2 kilograms already represents a significant differential pressure for such instruments, as their typical range is only in the tens of kPa

There is no inversion in the double flanges, and there are no issues with the flange diaphragms either

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