Burton Companies,

Air Compressor Training - Burton Companies

At 29,000 feet above sea level there is less air and the air pressure is only 4.56. PSIA. • The ambient air pressure is reduced by .5 PSIA for every 1,000 feet of elevation. • Also a compressor at higher elevation produces less air volume because there is less air. • A 500 CFM compressor at sea level produces 500 CFM.