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Not for my truck but in my shop. I am going to finally put a new floor in my shop. My old concrete floor is cracked and shifted so bad its time.One part has lifted and now when my wife parks the car in it in the winter the salt runs off and goes right against the house wall and the salt is eating away at the wall.Any way I had an idea. My compressor sits on the opposite side of the shop from where I work. I was thinking I could lay a pipe under the new floor to bring the air to the other side so I wouldnt need a hose laying across the floor anymore. Any suggestion on what the best product would be to this?
Nope. But I just put in some 175 psi black plastic water line though, very heavy walled. Whatever you use, because the concrete will be colder then the ambient air, it should slope slightly upwards from the compressor with a drain box at the entrance to remove condensation occasionally.
With an air hose I wouldn't run it below the compressor tank unless you have a way to drain the pipe. If you use metal pipe you're going to end up with corrosion sooner or later causing leaks if you don't drain it regularly. If you go with a plastic tubing you're still going to have moisture problems. The best advise I can offer is run it either along the wall or over head, both with a slight drain back to the compressor so you can drain the line of moisture. On my system I have Ts with down tubes with drain ***** so I can drain moisture at different points. I also have an in-line moisture trap a foot or so from the air compressor outlet. I also have a moisture trap at the end of the line where I plug in my air tools.
I have a retractable spool on the wall above and a to the right. It' works great and helps avoid the need for air line to be run all over the place. I've done the same with my electrical cords. I have four retractable electrical spool mounted on my ceiling with the cords set about 6 ½ feet off the floor. They're high enough so they miss my head but low enough to grab a hold of and pull down. I rarely have an extension cord laying on the floor.
I actually like Bobs set up better. But if you want to go under I would suggest 3/4 inch rigid copper pipe soldered as thought were a water line. This will not corrode, will handle the pressure.
You can plumb in a trap, a downward turning U shaped section, right where the air comes out of the compressor and put a water filter in there as well. Slant the pipe underground slightly upward as it gets farther away from the compressor and at the low point (where the vertical line runs down from the compressor and turns horizontal) put a "T" and run a drain line out (and down hill) to a ball valve outside to drain the condensation.
If you do as Julie outlines above one thing to think of, possibly, is run the pipe under the floor toward your house going on a downward slant away from the compressor, I assuming the garage is attached to the house, and knock a hole in your basement wall, again, I'm assuming you have a basement, and have the drain inside the house. You will have a two fold benefit, you'll have easy access to the drain plus you'd have an air supply in the basement. It could come in real handy for a project you're doing in the basement.
Of course, again, that's assuming your garage is attached, you have a basement and it's legal to do this according to building code (What building code?)
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