Building an O2 concentrator for welding and vacuum tube work

  • Cool idea. I would be interested in knowing the concentration you achieve and flow rates (LPM/CFH). This wouldn't work in my workshop as we don't treat our equipment nicely enough and we don't have sparkies to tend to it.

  • I wonder how this performs compared to the cheap concentrators you can get off ebay.

  • Interesting, but why did the original poster link to part 2 of the thing?

  • [dead]