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Posted by Chris Case [75.36.40.218] on Thursday, December 13, 2012 at 23:47:53 :
In Reply to: Air Compressors for Breathing Air posted by gmharris [71.105.35.169] on Thursday, December 13, 2012 at 21:17:32 :
So the air is as good as outside, plus maybe some of the plastic compessor piston ring.
And if you are still concerned, go to home depot and buy a full house water filter with carbon cartridge. That ought to take care of the particles of worn compressor parts. And make your breath smell good too. ;^)
I've sure seen hull cleaners at the marina using them as scuba air sources.
Though I use what I've got, a cpap machine with nasal mask and all my spare hoses taped together end to end. My HMO gives me mask and hoses every time they do a sleep test, or keep me overnight in the hospital. I paint out side and put the intake up wind.
Maybe a variable speed controller on a new vacuum cleaner blower would do as well? lower the speed to keep it quiet. No pump parts, just the turbine, put it up wind for clean air, tape the hose to a respirator mask. I love it. Cheaper than HEPA filters in a mask that is usually too low of a volume for my large body's oxygen demands. I get a headache almost instantly. Good system + free = GREAT.
I use it for spraying. Sand blasting big stuff I do in a visqueen tent with a cyclonic dust collector. I use a pipe wand on the blaster, inserted through an opened seam in the visqueen. The dust collector makes negative pressure in the ten, so no respirator need at all. Just a face mask to keep the ricochets out of my eye.
For smaller parts I use a Harbor Fright cabinet with the same pressure pot and dust collector. I leave the bottom 'drain' door open with a bucket under it. The big sand falls into the bucket for re-use while he dust gets sucked back in to the dust collector. No breathing protection required, the cyclone does it all. It has the cyclone and a final filter is a paper element for a Caterpillar D10 I think. Huge. $40 on ebay.
Once again: It's not rocket science. You aren't under water. You won't be using it 40 hrs/week for 40 years.
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