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Hondaswag 10-30-2011 02:21 PM

Air compressor help!
 
Hey guys, I need help picking out an air compressor. I'm looking to open a tire shop and I need one for the shop. Problem is, I'm clueless when it comes to air compressors. I need one that would would run about 4 guns, and be filling up a few tires all at one time. What would I be looking for? Would 200 gallon 20hp air compressor be enough? 1 stage or 2 stage? (and what does that even mean?) Could you maybe provide some links to some air compressors? Thanks!

oldred 10-30-2011 06:30 PM

You are not likely to even find a single stage compressor big enough for your needs so that's probably not even a consideration but two stage is by far the better choice anyway. You are definitely looking at industrial duty needs and since this is to be for a commercial shop then don't even think of trying to get by with a Chinese import and those things are out there in the size range you are going to be looking at. Personally I recommend a Quincy, USA made and IMO the best compressor on the market and one of the oldest names in the business. This would be the minimum from your description of your needs.



http://www.aircompressorsdirect.com/...ssor/p864.html


This would be better,


http://www.aircompressorsdirect.com/...sor/p3687.html




if you are going to have need of more air than that, maybe 4 1" drive impact wrenches going at the exact same time and maybe filling a tire also then I would suggest looking at a screw type compressor.

I am assuming you are going to have three phase power, right?

50bowTie 10-30-2011 07:02 PM

Those links oldred gave you are great compressors! If you have the building already you need to have a licensed electrician (or someone that knows what their doing) determine what service you actually have.

There are a couple different types of 3 phase power. You will either have three phase 480 (which is three legs of 277v each) using two of these together will yield you 460/480. Or you will have 3 phase 208. Three legs of 120v each with two legs equaling 208 (sometimes a high leg is used here and is typically your "B" phase. -- in cases like this you will see 240v on "B" phase and 120 on a,b. Pairing any of the two together will yield you 208 if I remember correctly.


It's best to have the building first and know your service, than to buy a compressor only to find you don't have the power requirements.

If the property is commercial it doesn't always mean that you will have 3ph power.



Hope this helps.

Hondaswag 10-30-2011 10:31 PM

Wow guys I really appreciate the replies. We are in the process of purchasing the building so I will have to call tomorrow and find out if it has 3phase.

RPM 10-31-2011 06:14 AM

I was a service manager at a 10 bay Goodyear tire store. We had 2 10hp compressors. They had some kind of a switch on them, that one ran and built up air, when it shut off and needed air again the other one ran. So one ran one time, then the other. They took turns supplying air.

oldred 10-31-2011 08:01 AM

Quote:

Originally Posted by RPM
I was a service manager at a 10 bay Goodyear tire store. We had 2 10hp compressors. They had some kind of a switch on them, that one ran and built up air, when it shut off and needed air again the other one ran. So one ran one time, then the other. They took turns supplying air.


I set up a similar system at a Kentucky mine years ago but honestly if that much air is needed then a screw compressor is the way to go.


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