Double HP100s for Cave or NOT??

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tonka97:
Is it considered safe to fill a LP steel 85 cf '2640 psi max rated tank' up to 3600 psi?

Is it just an issue of possibly blowing the burst disk, without danger of bodily injury?

:coffee:
I will not say it is "safe" or "unsafe". There are hours and hours of reading on this and other message boards of people argueing that very subject.

I will say that it is a very common fill in cave country, no matter whether you have LP or HP steel tanks. I will also say that I rountinely fill my LP85s to 3600 or even 3800. Sideband said he used at set at 4000psi once. I'm sure others have done even more. . .
 
https://www.shearwater.com/products/peregrine/
http://cavediveflorida.com/Rum_House.htm

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