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I have a similar question. We are trying to find a better way to fill argon bottles. We have been buying it in 2600 psi tanks. We want to then get it into smaller bottles to take on the boat. At first we thought we could buy high pressure argon, but it is regulated to come out at 800 psi. We haven't got the final answer yet, but it appears that we can get a special regulator to go into the HP port of the cylinder valve/regulator. BTW, these tanks are very heavy to transport. Then we thought of using the compressor to put the argon into a couple of HP steel tanks, and then transfill on the boat. If anyone has a good solution or experience with pumping argon through a compressor, please let me know. At 09:07 AM 11/21/97 EST, Hans Petter Roverud wrote: >I think the problem is the lower compressibility >of helium. My experience with boosting helium >through an air compressor is that it heats excessively >at higher pressures. I assume that helium gives a >higher resistance and that the rate of compression >(stroke volume/ volume pr. minute) should be different >for helium. The compressor needs a lower shift! The higher heat conductance of helium >makes little difference -- the main thing is that >the compressor has to work harder to compress it. > >Input from engineers/ physicist welcome! -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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