The CFM requirements of air tools vary widely, though, from 1 CFM for brad nail guns to as much as 70 for sand blasters.
Air compressor for body shop drivers#
Most wrenches, impact drivers and air hammers operate at around this range, and you can run most sand blasters with this level of pressure, too. What Size Air Compressor for Air Tools?įor air tools in general, you will do well to invest in an air compressor that can put out at least 90 PSI. What Size Air Compressor for an Air Ratchet?Īir ratchets can easily run off an air compressor as long as it can put out 90 to 100 PSI of air pressure.Īir volume is usually not an issue with air ratchets, since you can run both the smaller 1/4 inch ratchets and the larger 1/2 inch tools with just 3 CFM. 3/4 inch air impact wrenches, on the other hand, will need 7 CFM or more from a larger air compressor.
Air compressor for body shop portable#
The smallest 3/8 inch impact wrenches can run off a 3 CFM air compressor, while a 1/2 inch air wrench will need 4 CFM – both of these sizes can be run off a 1 HP portable kit. The volume you need to operate your air impact wrench at a good clip will depend on the size of your air tool. What Size Air Compressor for an Air Impact Wrench?Īir impact wrenches are heavy-duty tools with widely varying air compressor requirements, but around 90 to 100 PSI will get you started with most models.
If you have the baseline PSI of 90 from your air compressor, then you will also need around 4 CFM to be able to run your air hammer at a good rate as well. What Size Air Compressor for an Air Hammer?Īir hammers and air chisels need pressures of around 90 to 100 PSI, depending on the size and model of your air tool. Since most airguns and PCP gun chambers are not that large, air volume and CFM is not the issue here, but you will need a high pressure air compressor to load up your airguns – your typical 150 PSI portable air compressor will simply not cut it without a special valve that lets you gradually build up pressure in the chamber.įor loading multiple air guns, manufacturers also offer specialized air compressors that can output 4,500 PSI and up. What Size Air Compressor for an Air Gun?Īir guns have small pressure chambers designed for high pressure, so you will need an air compressor that can run 3,000 PSI or more. If you are planning to run more than one gun off of the same unit, make sure to plan for double the capacity, or more, as well. The larger the nails you need to drive, the bigger the CFM you may need from your air compressor. The same compressor, on the other hand, will reliably drive a smaller brad gun at 70 nails per minute or more. A compact air compressor unit with a 1 HP motor can provide around 2 CFM, and that will typically let you drive nails with a framing nail gun at a rate of around 15 per minute. What Size Air Compressor for a Nail Gun?įor most nail guns, an air compressor that can put out around 120 PSI of pressure for your nail gun to work, and perhaps more so for the heavier framing guns.Īside from air pressure, you will also need to have enough flow to keep up with your nail gun. Read on as we run through some of the most asked air compressor capacity questions for the most popular air tools. What’s crucial for most of your air tools, though, is that they get enough air pressure – you need to check on the PSI, or pounds per square inch, rating of your compressor.Īnd to keep up with your air tool, your air compressor will need to have a good flow rate as well, so check on the CFM (cubic feet per minute) rating, too.
Capacity is a good thing to have, and the bigger the tank(s), the more tools you can reliably run off your air compressor unit. You need to consider several things when evaluating the “size” of the air compressor. What size air compressor for this and that? It’s a common question for a lot of hobbyists and contractors just getting into air powered tools, and it’s a good thing to know which of the hundreds of sizes, shapes, and makes of air compressor is the best fit for your tool.
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