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Old 04-04-2005, 08:31 AM
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Piping For New Compressor

Hi Guys,

Now that I have the new compressor (yea) I want to pipe it in correctly the first time. What type of pipe do I use? I have heard two ways to pipe it in. ( I am not considering PVC!)

One: 3/4 in copper type L. and put 2X4 blocks on the wall. The copper is supposed to be cooler and moving it away from the wall keeps it even cooler.

Two: Black pipe (I don't know what size).

Any suggestion on both or any is greatly appreciated.

Do I slant the pipe away from the compressor or towards it? I think towards the compressor. Your thoughts.

Thanks
Dave

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Old 04-06-2005, 08:07 PM
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not ignoring what you said but pvc works very well for piping air as long as you clean the connections and use rain or shine glue its much easier to use than the alternatives
black pipe is gonna rust copper is expensive
galvanized will corrode after time
if you decide to use copper when you sweat it together make sure you clean the excess solder off the pipe the excess and the flux will be where it corrodes
use the same pitch as if you were plumbing drainage
most people will put the dryer next or in close vicinity of you unit also Ive seen a draining valve at the end of the line
also you will want to pipe a drain to the outside for the bottom of the tank
you might want to find out what the bursting info for copper
good luck
sr66
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Old 04-07-2005, 04:09 AM
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PVC is fine as long as you don't mind injuring or killing yourself when something falls against it. It shatters and sends sharp pieces everywhere at high velocity.
Copper is my choice. Black iron can get rusty which can end up in your paint gun. Galvanizing can flake off with the same results.
Copper is clean, rust resistant, and can be assembled easily with ordinary tools - no pipe threaders required. BTW, copper is used in refrigeration lines that run 500 psi.
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Old 04-07-2005, 05:42 AM
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The moderator of another board was kind enough to provide copper info from the experts:
burst info
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Old 04-07-2005, 09:38 AM
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Thanks guys as always you are always a big help. On and upwards.
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Old 04-07-2005, 09:43 AM
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I just saw a new system a couple of days ago for a commercial plastic snap-together system. Probably in a Rod & Custom magazine ad? Anyway the system allows you to plug and play outlets wherever you want them. I didn't see a price but it is safe to assume the system costs multiples of the most expensive one you can assemble today.
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Old 04-07-2005, 07:18 PM
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Julme im just curious have you seen pvc fail?
all the pvc systems Ive seen have been out of the way (high on the walls and down post)
im always open to learning new useful info
thanks
sr66
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Old 04-07-2005, 11:10 PM
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My PVC system has been in operation for over 10 years and still seems fine. Have re routed it a few times and the pipe seems quite supple, no brittleness. Cross my fingers!
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Old 04-08-2005, 05:43 AM
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What ever method you choose, just remember compressed air holds a lot of stored energy compared to a fluid! Think of it this way, if you placed a heavy weight on a steel pipe then kicked it off, is the steel pipe which isn't compressible going to fly off and hit something. The think about a spring that is compressed under the weight....would you want to kick the weight off?
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Old 04-08-2005, 04:22 PM
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so what you r saying is non flexible piping is better than flexible? the only thing i have to say about metal piping is that it is a conductor. one place I did some work at had galv. pipe and I grabbed it one day and it lit me up good thing i was on a ladder because it was wired 330 volts! (ah yes good times) old Ingersoll rand v twin piston set up a big one 4+" and a little one had it rebuilt for the guy couple years later and man sweet run my sand blaster all day long.
damrons auto parts had a vacume system for brake fluid ,pwr steering ,etc...to every dismantling station it too also was pvc
sr66
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Old 04-09-2005, 01:43 PM
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This link has some suggestions for pipe size and layout suggestions that might be useful http://www.tptools.com/statictext/ai...ng-diagram.pdf
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Old 04-10-2005, 11:03 AM
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If you were to slide certian sections of PCV pipe into long pieces of metal pipe and then secure them to the wall studs I think it would be safe to use
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Old 04-10-2005, 09:40 PM
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How would you make joints in that setup? I will stick w/ my good old PVC.
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