by Guest » Tue Apr 05, 2005 2:35 am
PSI & SCFM are not interchangeable terms.
PSI (Pounds per Square Inch) measures pressure.
SCFM (Square Cubic Feet per Minute) measures volume.
You will need a gauge that measures volume for this task. I use a Dwyer Model #HFA-1-12 that measures from 2-12 SCFM. It is also rated to handle pressures up to 600 PSI (handle...not measure).