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Rules of Thumb

Posted by IR Compressed Air on 5/8/2014
1. The typical body shop/garage uses 2.5 Horsepower per man 
2. 4 CFM per Horsepower on a 100 psi air compressor 
3. Each psi pressure drop equals 0.5% in Horsepower 
4. 7.48 gallons per cubic foot 
5. The heat load on an air cooled compressor is HP x 2545 BTU/HR 
6. 60% of condensate is removed after the aftercooler 
7. 96% is removed after the refrigerated air dryer 
8. Pressure and flow are inversely proportionate 
9. Every 20 degree increase in discharge temperature increases moisture content by 50%