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thehorizons

Student
Mar 25, 2026
195
This might seem like a basic question, but does anyone experienced with the Nitrogen gas CTB method have any idea if the valve should be opened fully to its maximum? I've plugged an Argon regulator/flowmeter into my Nitrogen gas tank and it's at 15–17 lpm (which is where I want it), but I don't know if I have to turn it wide open and keep it wide open. I don't want to waste gas needlessly or damage the regulator/flowmeter, so if anyone has any advice, I would really appreciate it.

Additionally, does the valve knob of the tank stop at certain point when you open it? I'm just fearing if the knob gets totally unscrewed and the gas comes blasting out of the tank. Or, does it stop at a certain point as you unscrew it and the Argon regulator/flowmeter becomes the new piece that controls the volume coming out. I'm pretty new to this, so I have a finite understanding of the technical aspects of the equipment.

I've been using an Argon regulator/flowmeter and a Nitrogen gas tank of 10 litres with 1500 litres of Nitrogen gas (less now because of my experimentation).
 
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Black Sheep One

Black Sheep One

Student
Mar 4, 2023
118
I believe one closes the regulator valve. Then you open the supply tank valve. Yes it will stop! Then you open the regulator valve to get to the correct pressure. How this helps...
 
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thehorizons

Student
Mar 25, 2026
195
I believe one closes the regulator valve. Then you open the supply tank valve. Yes it will stop! Then you open the regulator valve to get to the correct pressure. How this helps...
I've been testing my 'dummy' Nitrogen tank today before I saw your reply, and you're right. Thanks for the reply though.
 

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