AIR COMPRESSORS > Air Compressors etc.

Rapid Air Products/Maxline

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GNAP:
Welp, after months and months of dancing the knife edge, of getting it or leaving it on the shelf at the store, I finally decided to get it. I bought the 3/4" master kit. I contained 100 foot of the semi-stiff 3/4" pvc/aluminum/Teflon tubing, 3 drop stations, 20 hangers/anchors, 2 tees and the assembly/cutting tools.


I ran a 1/2" x 36" hydraulic hose, as my vibration isolator and piped 3 drops in the shop, with 9 available air chuck, with 4 of them connected to my hose reels. The tubing is pretty stiff, making uncurling and measuring for cuts a PITA, but it went together exactly as stated and I had no leaks. The tubing is good for 200 psi and my 2 stage Home Depot sourced Campbell-Hausfeld air compressor shuts off at 175 psi, so I should be okay.


I bought my set from the local Runnings store for about $185 and with the extra parts and the misc nipples and air chuck and the ever present NYS sales tax, I left the store at about $250. The whole system has only 13 of the companies hi-tech special compression joints.


The whole job took about 5 hours, running about 75 of the supplied 100 foot tubing. Most of the time was moving crap in the Machinery Closet, to get to the areas where the drops were going to be located. Fired the system up, soap tested all of the joints, and remade 4 whips, from the drops to the hose reels.


All in all, it looks decent, the parts are well made, I used different mounting straps, we shall see if the stuff lasts an remains leak free.


https://www.rapidairproducts.com/maxline

Terrywerm:
I was soooo tempted to purchase that 3/4" system for my garage when it first came out, and my wife knew it, but the devil is in the details. For Christmas that year she purchased a 1/2" kit for me. Not the same, but her heart was in the right place. My compressor sits at the back of the garage and I wanted to be able to have a 3/4" line run up to the front so that I could run a 3/4" drive impact wrench from time to time. Since the kit came with 100' of tubing, I simply ran one line with the drops on it. The line ended at a ten gallon air surge tank that I had and mounted on the wall up near the ceiling in the front corner of the garage. I then ran a second line from the compressor directly to another port on the tank. I plumbed a drop from that tank with 3/4" steel pipe so that I had a 1/2" coupler connection for the 1/2" hose that feeds the 3/4" impact wrench and other high air usage tools when needed. The other drops along the way were the standard 1/2" drops with 1/4" couplings and typically supply plenty of air for blow guns, small die grinders, etc.

A single 3/4" line still feeds more air volume than two 1/2" lines running in parallel, but not significantly more, if my calculations are correct. I still got my air supply to the front of the garage but was able to utilize my wife's gift at the same time.   8)

4GSR:
I installed the 1/2" line kit too.  Made my own manifolds along with modifying the ones that came with the kit.  Didn't like the way they were configured.  Very happy with the install.  Have to take some pictures and post some day.  Highly recommend using it as a way to pipe air to all parts of the shop.

chips and more:
Sounds great! I ran all copper for my air. I wonder what the pro and con if comparing??? The only reason I went with copper is because my first attempt was with sch80 at my last shop. It worked but the area around the quick disconnects was flimsy when using. With copper that problem is gone. One could say the initial cost of buying the copper is prohibitive. You must shop around! I don’t know what the inside of the copper pipe looks like now after years of wet air? Could be big green bugs in there LOL. When I check the air filter (not as often as I should!) I don’t see anything alarming.

Carpenter84:
The factory I worked in a decade ago had all copper air pipes in the ceiling. 1 1/4" all the way down to 1/2". Never had an issue.

I've been using pex water pipe for some of my air pipes.

200°F at 80 psi
180°F at 100 psi
74°F at 160 psi

The failure/burst pressure is 3 times that, usually.

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