Posted by Steve@Advance on March 10, 2021 at 10:43:31 from (66.169.147.211):
In Reply to: Oxygen tank hazard posted by rrman61 on March 10, 2021 at 08:34:50:
Oxygen and oil work like a diesel engine, the concentrated oxygen can combine with oil or grease and cause a violent explosion!
But just like a diesel engine, it requires compression to start the process.
Oxygen and oil in the open is still risky, but it needs to be concentrated under pressure to cause the reaction. Think grease on the threads of a regulator where the unregulated pressure of the tank can hit it with sudden force.
That's why you should purge the fitting by cracking the valve, and be sure the end of the regulator is clean and oil free.
When I change out an oxygen bottle, the first time the valve is opened, I will put on a welding glove and turn my head away.
There is also an issue with aluminum regulators, mostly found on medical equipment. The aluminum can actually burn once the reaction is started.
This is long and repetitive, but some interesting stuff!
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