Posted by Catfish on August 15, 2001 at 10:23:26:
In Reply to: O2 cleaning posted by Maciek on August 15, 2001 at 03:24:23:
Most shops use partial pressure techniques for filling Nitrox. It is the simplist and cheapest way to fill oxygen enriched air. In this case 100% oxygen, or close to 100%, is likely to end up in you cylinder before air is added to delute the mixture. O2 cleaning is required for these types of fills.
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