Posted by AADIVER on August 06, 2001 at 12:26:38:
In Reply to: Re: Nitrox question - empty tanks only? posted by MHK on August 06, 2001 at 11:50:54:
"What's a partial 02 fill???"
Using a 40% EANx fill as an example, to fill an empty tank, it's first filled with 730 psi of O2 then topped to the top with 21%. If I bring it back with 1750 psi remaining of my 40%, the tank only needs a "partial O2 fill" of 310 psi, then filled to 3000 (or 2250, 3500, et al) with 21%.
There probably is a better, clearer term to explain the above but I don't know what it is.
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