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Air compressor?
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Larry_minn
Posted 12/21/2023 17:37 (#10535192 - in reply to #10534244)
Subject: RE: Air compressor?


Perales - 12/22/2023 01:04

jd4930 - 12/20/2023 20:26

https://touch.bismanonline.com/bismarck_nd/davey_mc1a_air_compressor
https://altsarepta.ru/app/

Can someone help me out here, what would a person need that kind of pressure for? Or is it a typo?

Yeah, you're right, those pressures seem way too high for compressed air! 4500 psi is definitely more in the ballpark for oxygen cylinders used in medical or industrial settings. Paintball guns and most SCBA setups typically max out around 300 psi. Unless there's some specific high-pressure air application I'm unaware of, it does seem like a typo. Maybe they meant 450 psi?

We used 2800 old steel tanks +3300 super 80 aluminum. You got chewed out you came back under 400 psi after a dive. 200 you got extra work. Below that. There better have been a situation. There are two stages. The first stage drops tank pressure *possibly over 3000 psi to around 125 psi. The 2nd stage *mouthpiece/regulator* adjust to outside air/water pressure. So the slight vacuum you cause when inhaling opens valve.
That’s why ice diving can get fun. Your first stage freezes up. It no longer reduces air pressure to just above water pressure. It’s 150psi free flowing.
You can *I have breathed off it with minor issue*. Just have your mouth down, let air fill your mouth, majority bubble past your face. I was 140’ down. I burned thru half a tank before I got tank valve shut off. But I took it slow. It was something we had discussed, talked about in training, and before wreck dive. So I waved off dive master. Watched gauges, depth. As I used to solo dive in ocean at times, or ice dive solo with team above.
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