
UNDER PRESSURE — PSI, CFM & AIR FITTINGS EXPLAINED - Rolair
Jul 13, 2018· Most air tools require between 70 and 90 PSI. Any light-to-medium-duty air compressor can easily handle 90 PSI, but you always want the compressor to supply more flow than needed. Pro Tip: Always respect a PSI rating. If you don’t supply enough air volume, the tool won’t operate correctly. Too much force, and you can damage the tool. CFM