At 4.5, you are getting close to 96% pure oxygen, so .96 * 8 (PSI) = 7.68 / 2 = 3.84 (go with 3.75 to 4.0 PSI on your propane regulator).
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Chaotic Glass: Safety for the glassworker, and random thoughts and opinions on the state of the glassworking world To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.
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