The use of nitrogen water sealing cans
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As shown in the picture, does it always turn on when filling water into the tank during normal use? There is a vent on the upper part of the flange on the tank and a vent on the lower part of the flange. How to use each? Is the upper vent suction or exhaust? Please let me know, experts, thank you very much
So the valve above is generally not open, right? The gas is allowed to pass through the substances inside the equipment for adsorption?
Isn't the pipe on the lower left side of the water-sealed tank equivalent to being directly connected to the air?