HOW TO CHOOSE THE RIGHT Pneumatic COMPRESSOR
No matter how good an air compressor is, it can't do all jobs. Compressors have different sizes and levels of power. In order to figure out which air compressor is right for you, you first need to determine the power requirements for your air tool. Once you've done that, then make sure to choose an air compressor that has a bit more power than your tool requires, so that when you buy your next air tool, even if it needs a little more power, it will work.
Ordinarily you will probably run across portable rotary screw compressors. There will be a dizzying assortment of choices to make. The cheap ones are just that, cheap ones, thus you should probably stay away from those, unless all you want to do is put air into your tires occasionally.
Air compressors are sometimes rated by horsepower or hp. Dont be swayed by the hp listing. It all depends on how much power it draws. Often the hp listed is inflated.
You're much better off looking at the PSI -- pounds per square inch -- when choosing your air compressor. 90 PSI is the rating that works with most air tools. If your compressor is listed at 125 to 135 PSI, even though it seems like it should, it's not going to work with an air tool that requires 90 PSI. The reason for this is that PSI really measures shut off pressure, and the value doesn't acknowledge when there is pressure lost in the line. If you want to make the most of a 90 PSI tool, consider a two-stage pressure shut off type of compressor. At 90 PSI the first stage will turn off, and the second stage will shut off at 175 PSI.
Next you will take into account the "cubic feet per minute" or CFM. The majority of air tools manufactured today will require 4 to 6 CFM. Not a big deal here, since at 90 PSI you will be getting 3 to 4 exact horsepower. CFM merely tells you how much air is being moved.
Tank size is also very important when considering your goals in using your compressor. It is just fine to use a regular part and motor and the standard tank of 30 gallons if your job requires only short bursts. But you want to go with a smaller tank that has a more powerful pump and motor, paying attention to the air stored in the tank, if you intend to use your compressor heavily.
Because of this you may see professional contractors running multiple air tools at the same time, with the knowledge that using a compressor with a rating of 150 PSI is a better choice for long-term continual use.
Unlike portable compressors, truck mounted ones use the truck to power the compressor. The problem is that you have to keep the truck running in order for the compressor to work. For the contractor who needs to have the compressor running for a long period of time, the better choice is an affordable compressor or possibly one that is mounted on a deck. Just like truck mounted compressors, deck mounted ones are set on a truck's bed that is removable, which makes it possible to leave the compressor on-site as opposed to having to drag it back and forth for each day of consecutive work.
Also you can find compressors that are electrically and gas powered. If you think you're going to be working on a site that does not have electricity, then go with a gas powered compressor. - 21392
Ordinarily you will probably run across portable rotary screw compressors. There will be a dizzying assortment of choices to make. The cheap ones are just that, cheap ones, thus you should probably stay away from those, unless all you want to do is put air into your tires occasionally.
Air compressors are sometimes rated by horsepower or hp. Dont be swayed by the hp listing. It all depends on how much power it draws. Often the hp listed is inflated.
You're much better off looking at the PSI -- pounds per square inch -- when choosing your air compressor. 90 PSI is the rating that works with most air tools. If your compressor is listed at 125 to 135 PSI, even though it seems like it should, it's not going to work with an air tool that requires 90 PSI. The reason for this is that PSI really measures shut off pressure, and the value doesn't acknowledge when there is pressure lost in the line. If you want to make the most of a 90 PSI tool, consider a two-stage pressure shut off type of compressor. At 90 PSI the first stage will turn off, and the second stage will shut off at 175 PSI.
Next you will take into account the "cubic feet per minute" or CFM. The majority of air tools manufactured today will require 4 to 6 CFM. Not a big deal here, since at 90 PSI you will be getting 3 to 4 exact horsepower. CFM merely tells you how much air is being moved.
Tank size is also very important when considering your goals in using your compressor. It is just fine to use a regular part and motor and the standard tank of 30 gallons if your job requires only short bursts. But you want to go with a smaller tank that has a more powerful pump and motor, paying attention to the air stored in the tank, if you intend to use your compressor heavily.
Because of this you may see professional contractors running multiple air tools at the same time, with the knowledge that using a compressor with a rating of 150 PSI is a better choice for long-term continual use.
Unlike portable compressors, truck mounted ones use the truck to power the compressor. The problem is that you have to keep the truck running in order for the compressor to work. For the contractor who needs to have the compressor running for a long period of time, the better choice is an affordable compressor or possibly one that is mounted on a deck. Just like truck mounted compressors, deck mounted ones are set on a truck's bed that is removable, which makes it possible to leave the compressor on-site as opposed to having to drag it back and forth for each day of consecutive work.
Also you can find compressors that are electrically and gas powered. If you think you're going to be working on a site that does not have electricity, then go with a gas powered compressor. - 21392
About the Author:
nick halmond is a professional body man. who knows tools. He has searched the web all around to find the best possible deals on air tools and other tools. If you are interested in where to find affordable tools go to http://www.airtoolsnow.org/.
posted by X - Men @ 6:19 AM
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