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NONSENSE: I have done this routinely for twelve years with Sherwood, U.S.
Divers, Dacor & Poseidon regulators out of the box.
Rod,
I have long suspected that in fact you can use standard scuba gear
with O2 without blowing up. However I've been very cautious about
it because of all of the talk about O2 cleaning and O2 compatible
components. I wonder if we're being over cautious; not to say that
caution is a virtue when it comes to life support equipment. I just
wonder about all of those greasy old O2 regulators in welding
shops. They don't seem to blow up too often.
Do you prepare your equipment in any way for O2 service, or do you
really use it "out of the box"? O2 cleaning is easy; it's the
replacement of the soft goods with compatible materials that becomes
difficult. Is the difference is only theoretical? Do the parts degrade
measurably faster? If catastrophic failure is not a real concern then
I am willing to overhaul my regulators more often, to replace oxygen-
worn parts.
How do you handle your valves and tanks? I'm concerned about cleaning
that fine, sticky dust out of a steel tank following tumbling. In air
applications, the dust is simply blown out with compressed air. The
inside of the tank never really gets clean, but that's OK for air. It
doesn't need to pass a white glove test. But do you think it's safe
to put O2 in there at 1800-2100 PSI?
What type of lubricant do you use? I'm using christolube, but I
wonder if food grade silicone will ignite.
Any ideas?
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