Until Mr. well hung jumped in with his outfield bite-me comments and introduced the topic of mositure in 02, it wasn't part of this thread. However, now that it's been brought up, all 02 is indeed the same. In medical oxygen, moisture is introduced during the 02 flow to the patient, usually at or after the patient regulator.
There is absolutely no difference between welding oxygen, medical oxygen, or aviators breathing oxygen, except for price. There is no difference in purity or moisture content. Only price. All three products come from exactly the same source, and are exactly the same product.
There is absolutely no difference between welding oxygen, medical oxygen, or aviators breathing oxygen, except for price. There is no difference in purity or moisture content. Only price. All three products come from exactly the same source, and are exactly the same product.