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Old 12-27-2014, 06:17 PM   #1
streetglideoh
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Default air compressor line questions

I am about ready to install lines for my compressor in my garage. I am not sure I will ever paint in my garage but decided to try and eliminate as much water as I can. The line will form a loop as you can see in the diagram. I will have two drop down legs with outlets and a hose reel. Is the hose reel too close to the compressor for eliminating moisture? Any suggestions? Thanks.
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Old 12-27-2014, 08:05 PM   #2
Unkl Ian
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Default Re: air compressor line questions

Have to outlets on the top of the supply line, and the drains on the bottom.
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Old 12-27-2014, 08:38 PM   #3
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Default Re: air compressor line questions

I will put a tee in for the outlet with a 4" nipple at the bottom and a ball valve at the end of the nipple. I might use a slightly longer nipple. thanks for the suggestion.
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Old 12-27-2014, 08:49 PM   #4
Rob Axel
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Default Re: air compressor line questions

A LOT of people will say PVC will work just fine and they are correct, it will....until it becomes struck or hit while under pressure....
Do yourself a favor...either use heavy pipe or make sure you decompress the lines when NOT in use...
also...make sure you drain your tank regularly....

Just food for thought....
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Old 12-27-2014, 09:42 PM   #5
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Default Re: air compressor line questions

Put a drier/oiler combo at every connection point. Most also have regulators built in so you can adjust for different tools.
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Old 12-27-2014, 10:55 PM   #6
streetglideoh
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Default Re: air compressor line questions

I will put tees in, then run to regulator/filter/oiler/ then to the outlet. I will put ball valves at the end of the drop down legs. Thanks
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Old 12-27-2014, 11:24 PM   #7
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Default Re: air compressor line questions

I've used 1/2" copper water pipe on several setups, easy can sweet them together just like when doing water, no rust, and doesn't cost much more than steel and actually has better pressure rateing.
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Old 12-28-2014, 07:39 AM   #8
Mike Britton
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Default Re: air compressor line questions

Quote:
Originally Posted by Rob Axel View Post
A LOT of people will say PVC will work just fine and they are correct, it will....until it becomes struck or hit while under pressure....
Do yourself a favor...either use heavy pipe or make sure you decompress the lines when NOT in use...
also...make sure you drain your tank regularly....

Just food for thought....
The system in my garage has four drops, and leaks enough that I don't have to decompress. LOL!
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Old 12-28-2014, 08:06 AM   #9
streetglideoh
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Default Re: air compressor line questions

I have never sweated copper before. Watching a video on it, it seems fairly easy but I am not sure it would be. Can you add solder if you don't get it right the first time?
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Old 12-28-2014, 01:30 PM   #10
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Default Re: air compressor line questions

Quote:
Originally Posted by streetglideoh View Post
I have never sweated copper before. Watching a video on it, it seems fairly easy but I am not sure it would be. Can you add solder if you don't get it right the first time?
Real easy, especially if there's no water around. Propane torch gets plenty hot enough. Buy the gray colored flux which has something about "tinning" on the label........its in a white plastic container with screw on lid. Clean every piece right before, even brand new copper. Use scotch brite for pipe, for inside fittings buy one of those inside wire brushes then cut off handle and put it in your cordless drill. The more you spend on a tubing cutter the better it'll work.

Heat the fitting, then touch solder to it. With no water involved, yes you can go back and solder some more on a joint.
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Old 12-28-2014, 01:38 PM   #11
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Default Re: air compressor line questions

If you haven't bought all that copper yet..........we got one of those air plumbing kits with the slip together fittings and junctions and connectors and all that. Works good, not a single leak after more than a year. Like the kind Summit sells, got mine off ebay, this kind of stuff, I shopped around and got a deal:

Amazon Amazon
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Old 12-28-2014, 01:42 PM   #12
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Default Re: air compressor line questions

Run your main line out of the compressor at an upward angle. Any moisture that condenses will run back into the tank. With the main line up high, make drops down to where you will connect hoses on a tee. Extend the drops down a foot or two further and cap the end with a drain valve.

Most of your water will end up in the compressor tank, but every once in a while drain the drops.
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Old 12-28-2014, 06:51 PM   #13
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Default Re: air compressor line questions

Quote:
Originally Posted by beaverbikes View Post
If you haven't bought all that copper yet..........we got one of those air plumbing kits with the slip together fittings and junctions and connectors and all that. Works good, not a single leak after more than a year. Like the kind Summit sells, got mine off ebay, this kind of stuff, I shopped around and got a deal:

http://www.amazon.com/Garage-Shop-Co...p+air+line+kit
How is the cost compared to the other way you were going to do the job? I have seen these setups and they are nice, especially when yiou need to add or move. It disassembles faster than installing ... So you can take it with you .. Modgeler like Legos ...
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Old 12-28-2014, 08:14 PM   #14
streetglideoh
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Default Re: air compressor line questions

I looked at the rapid air kit first but I was told that you need to use pipe due to condensation if you ever want to paint anything. I wasn't sure I was but I know the minute I decide I won't be doing any painting, I will want to paint something later. Plus I was told running a sander or grinder continuously produces a lot of water.
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Old 12-28-2014, 08:51 PM   #15
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Default Re: air compressor line questions

Quote:
Originally Posted by streetglideoh View Post
Plus I was told running a sander or grinder continuously produces a lot of water.
Depends on the compressor.
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Old 12-29-2014, 02:49 AM   #16
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Default Re: air compressor line questions

back, way back when, we had traps (pvc's) but there could be so much moisture i'd fashion loops in the line and just have the traps set with a constant bleed to vent of moisture. somedays it was just so humid you'd just go and find some body work to do instead of spray.
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Old 12-29-2014, 08:32 PM   #17
streetglideoh
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Default Re: air compressor line questions

I have a BelAire 5hp 60 gallon 2 stage compressor. I am getting ready to retire and start my first project. Thought I would get the garage ready while I look for it.
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Old 12-29-2014, 10:03 PM   #18
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Default Re: air compressor line questions

Copper is easy if you know how to solder. All you need is a torch (propane works) any plumbing supply or ace hardware will have the flux and solder. 50/50 solder is fine and Hercules brand type flux works well. A quick sanding on the pipe and fitting face and wire brush the inside of the fittings. Flux the pipe and fitting, heat the fitting (not the joint) and run the solder around the joint. Or you can just go to home depot get a few different size lengths of 1/2" black pipe and build your line that way. Cheap and easy.
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Old 12-30-2014, 04:08 AM   #19
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Default Re: air compressor line questions

Look at the John Guest system you probably have something similar in USA http://www.johnguest.com/our-product...nd-pneumatics/
I've done a few of these in large factories ,very nice installation
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