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Approximately how long will a SCUBA tank last filling my NOTOS?

midwest

Member
Apr 25, 2024
30
20
Newer member here. I recently got a NOTOS and a SCUBA tank for my air source. I am just curious about the approximate number of fills. I haven't counted how many times I've filled the gun but I was getting 3000 psi and the last couple times it is only going to about 2800 depending on how accurate the gauges actually are. I am still pleased with this setup for my use but wander how many times I can fill the gun before I need to get the SCUBA tank topped back off. Good thing is I have a source to get the tank filled at no cost....
 
Newer member here. I recently got a NOTOS and a SCUBA tank for my air source. I am just curious about the approximate number of fills. I haven't counted how many times I've filled the gun but I was getting 3000 psi and the last couple times it is only going to about 2800 depending on how accurate the gauges actually are. I am still pleased with this setup for my use but wander how many times I can fill the gun before I need to get the SCUBA tank topped back off. Good thing is I have a source to get the tank filled at no cost....
We've embedded some useful calculators in our Resources section:

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without knowing the volume of your gun's air cylinder and the volume of your tank it is not possible to say.

There are also carbon fiber wrapped tanks that fill up to 4500 psi and will give you more fills at 3000 if that's your goal

Ideally your guns optimal fill pressure would be a fair bit lower than your tank's maximum fill pressure
 
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