oxyhacker
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An interesting experiment! I find it hard to believe, that your raw ouput could meet OCA standards. Where did you take the sample from?
BTW, the statement has been made at various times in this thread that no scuba compressor manufacturers approve the use of their compressors for continuous mixing. Coltri does, and the US Alkin distributor says that Alkins are "approved for Nitrox up to 40%". Actually, Bauer USA did at one time, but they seem to have changed their mind.
QUOTE=Doc Harry;4537946]I know that the Alkin W31 is not approved for Nitrox, but.... I just the air test results. The compressor has been in use for one year now. Before I performed my annual maintenance and filter changes, I decided get two air samples after warming up the compressor for one hour:
1) the raw compressor output
2) the air after it passed through the filters.
Both samples qualify as Grade E oxygen-compatible air.
So it is possible to mix your own Nitrox without having to spend $10,000 on a compressor.[/QUOTE]
BTW, the statement has been made at various times in this thread that no scuba compressor manufacturers approve the use of their compressors for continuous mixing. Coltri does, and the US Alkin distributor says that Alkins are "approved for Nitrox up to 40%". Actually, Bauer USA did at one time, but they seem to have changed their mind.
QUOTE=Doc Harry;4537946]I know that the Alkin W31 is not approved for Nitrox, but.... I just the air test results. The compressor has been in use for one year now. Before I performed my annual maintenance and filter changes, I decided get two air samples after warming up the compressor for one hour:
1) the raw compressor output
2) the air after it passed through the filters.
Both samples qualify as Grade E oxygen-compatible air.
So it is possible to mix your own Nitrox without having to spend $10,000 on a compressor.[/QUOTE]