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Any 23 CFM air compressor figure only qualifies once you know the working PSI it was rated at, since delivered air falls as required pressure rises. Use this category as an airflow-based filter, and make your central check comparing rated delivery at your actual working pressure against the total air your tools demand.
The application determines what 23 CFM can cover. Intermittent, single-tool work pulls air in bursts and can tolerate a tighter number, while sustained tools and simultaneous users keep demand steady and leave less room to spare. Sizing also depends on compressor type: a single-stage piston would need to produce roughly twice the required CFM to allow for duty cycle, a two-stage anywhere from 25 to 40% more, and no piston air compressor is rated for 100% duty. A rotary screw can be sized closer to the required demand because it runs at 100% duty. If your demand sits at the lower end, the 20 CFM air compressors category may match a verified lighter load.
A 23 CFM rating only means something paired with the pressure it was measured at, because the same compressor delivers less air as the pressure climbs. Check each product page for the PSI the airflow is stated at, then compare that against the pressure your tools or processes actually operate. If your working pressure runs higher than the rated point, expect usable delivery to drop, and weigh the 25 CFM air compressors category or higher for added airflow.
FAQ:
How much airflow buffer should I allow above my calculated figure?
Allow a reasonable operating buffer above your totaled demand so recovery keeps pace with steady use, and remember that a piston compressor's duty cycle means its rated CFM is not fully available on a continuous basis.
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