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After the weekend I talked further with the friend who had the experience with the O2 explosion and fire; here's what further information I learned: As earlier reported he was using an "equalizer" whip with yoke fittings on both ends that he'd had for about 5 years and was trying to fill from a HP (3500 psi) tank (through an adaptor) of air to a low pressure (2260 psi) tank of pure O2 in an attempt to get EAN 80. He could control the flow rate by use of the tank values only. In retrospect the fire seems to have occurred when the whip broke and the O2 tank began to spill its contents. The explosion occurred and the fire ensued. The whip burned so hot that the yoke at that end actually melted. After the fact he learned that the whip was not O2 compatible even though he'd "gotten away" with this use for almost 5 years. The O ring apparently didn't have anything to do with the problem at all. Harold Gartner hgartner@ra*.or* CompuServe ID 71470,1423 6900 Via Alba Camarillo, California 805 482-9743
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