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  Helpful Tips For Picking An Air Compressor
 
People frequently get bewildered regarding choosing the proper air compressor to operate their equipment. Basically, there are numerous elements you need to look at when choosing an air compressor for your garage or shop.

If would also be useful to read some air compressor reviews .

Let's look at these factors:

1. Horse power rating

Many people are of the view that the greater the hp, the better is the air compressor. But, all hp ratings are not equal and can even be misrepresented. For example, when you go to a hardware store to get a 6 horse power air compressor, you discover one that is priced really cheap. So, why is 6 horse power industrial unit so expensive? Well, 6 hp is 6 horse power, right? Not always, because when choosing an air compressor, you need to see the power that the air compressor draws. If if requires 15 amps from a 110 volts circuit, then you are really getting about 2 horse power. So, the 6 horse power rating on the compressor is inflated.

In order to produce 6 hp, you would require at least 24 amps from a 220 volts circuit. Therefore, if you are interested in a 6 horse power electric compressor, you should purchase a industrial compressor, as opposed to getting a cheaper unit from a hardware store.

2. How much PSI will you need?

For all newcomers, PSI means “pounds per square inch” and a lot of the compressors in the US are rated this way. In the European Union, they're measured in bar. When selecting an air compressor, you might want to settle for 90 PSI for correct operation. Even so, still you'd have to have a air compressor that has higher shut-off pressure. Air compressors in hardware stores are “single-stage” and have a shut off around 126-135 PSI. All light duty air compressors shut off at about 100 PSI and tend to be fine for light duty garage use. However, if you intend to use power tools, then more is certainly better. Most of the commercial air compressors are “two-stage”, that is they build up the shut-off pressure in two separate stages. The first stage builds up at about 90 PSI and the second state builds it to 175 PSI.

3. CFM

CFM (Cubic Feet per Minute), is a measurement of volume, that is the quantity of air that is being moved. Air tools need certain volume of air to operate effectively. Although every manufacturer tries to impress that his item gives higher CRM ratings at different pressures, your true concern when picking an air compressor needs to be on how much you'd get at 90 PSI because this is what the majority of the air tools require for effective operation.

4. Tank size

The tank size of air compressor is stated in US gallons. Lots of people get confused about the correct tank size when choosing an air compressor. Firstly, you should not mistake a large tank with increased run time for your air tools. If tools are used intermittently, then a large tank is good. However, should you need to use your tools constantly, you'd do better with a small tank and large enough motor and pump. This will ensure you won't run out of air.

Now you can effectively pick an air compressor armed with this helpful information. Finally, you need to determine what you are going to use your air compressor for and choose the right model.

 
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