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air compressor

2/21/17       
scott Member

My tenant is moving out of building and i have bought his spray booth, I need a compressor that is vertical for existing location and not much luck finding a used one. I think a 2 stage 3 phase 80-120 gal. 7.5 hp-10hp. should fit the bill. Just not sure what brand to buy, I tend to look for quality and longevity.... any suggestions? This looks like overkill but I'm in hopes of leasing out the other 1500 sq. ft. and having air availiable for other shop work.

2/21/17       #2: air compressor ...
Mark B Member

quincy is right up there at the top of line. We have a 7.5 hp max, after cooler, auto drain. Nice machine if recip is ok and you don't need 100% duty cycle.

2/21/17       #3: air compressor ...
Pat Gilbert

I don't know that there is a bad one. They last forever. Don't waste your money on a new one. Look at auctions, craigs list, the woodweb machinery section.

2/21/17       #4: air compressor ...
Kevin Jenness

This topic got a pretty good workout recently.

compressor options

2/21/17       #5: air compressor ...
Skillet

Just had to replace my 10hp Kaeser at 7 years old. Had a small fire in the control panel and fried some of the controls. Spent about half the cost of the original price on repairs and maintenance during that time. Replaced it with an IR of the same size. Moved it to an enclosed room and will bring in fresh outside air. Just on line yesterday so can't give you much feedback. I would certainly look at how close your service guys are. I was having to pay 4 hours of drive time plus mileage anytime they came to work on it. At $125/hour it will wear you out fast. New service guy is less than half an hour away. Big part of my decision making process.

2/21/17       #6: air compressor ...
JimHerron

I have a 5hp 1ph 80gal Curtis 3 cylinder that my dad bought 42yrs ago for his auto body shop.
I've been running it for the last 25yrs with two guys, with just annual oil change and air filters at 6mo intervals ( kind of ashamed to say I have been hit or miss on both over the years)
I've replaced the pressure switch once, motor starter kickout in the motor, and the one way valve rubber stopper between the tank and third cylinder- very good for 42yrs in.
Hard to go wrong with Quincy or Curtis reciprocals.
My brother, in the body shop business runs rotary screws, but the maintainence is real regular and real expensive, about 700.00 for an oil and filter change. They do produce a tremendous
volume of air though.

2/22/17       #7: air compressor ...
Rich Kuban Member

Look for low rotational speed on a reciprocating compressor. The same pump may be used in a range of horsepower, just spun faster at higher horsepower rating.

What kills reciprocating compressors is heat and excessive duty cycle. If you want it to last, buy bigger than you need, keep it cool, give it clean air, and drain the tank of water daily.

You can find used machines anywhere. I would want to know what the environment was the machine was in, and what replaced it. If a much bigger compressor replaced it, I would be concerned it ran too much. I bought a freshly rebuilt 5 hp Quincy that lasted 28 years and I sold it for what I paid for it.

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