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From: "Joel Silverstein" <JoelSilverstein@wo*.at*.ne*>
To: <morten.frogner@no*.ab*.no*>
Cc: <techdiver@aquanaut.com>
Subject: Re: Argon pumping (was Helium & O2 grading was Gobber Grade helium)
Date: Tue, 25 Nov 1997 09:44:50 -0500
Morten you wrote: 

<<the garbage bag method, a plastic bag is lashed round 
the outlet of the argon bottle and a hose from the bag to the
compressor inlet. Open the argon just to fill the bag and start
the compressor. Then add argon manually to keep the bag
suitable inflated. >>>


Seems to me that you making much ado about nothing here.

Argon comes in 2400 psi cylinders -- this can be trasnfilled in to most any
2015 pony tank for use 
profiving a full fill ---- for 3000 psi cylinders, just top them off with
air, if you start out warm (ie right undergarments and physically warm to
begin with) this works fine and eliminates your whole "garbage bag"
pumping.

Another way which works much better than the "garbage bag" is to Haskel
(booster pump) the Argon into 3500 psi scuba cylinders and transfill from
those. Just make sure you do it slowly that stuff heats up bigtime 

Joel Silverstein, NY 




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