Before revision: This process differs from plasma cutting operations because in air carbon cutting, an open, or un-constricted, arc is used, and the arc operates separately from the air jet.WeldGuru.com, "Let the Weld Guru guide you through the world of CAC, Carbon Arc Cutting", 2008, URL (April 17, 2008) Air pressures for the jet usually vary from 60 to 100 psig .
After revision: (4-7 bar)This process differs from plasma cutting operations because in air carbon cutting, an open, or un-constricted, arc is used, and the arc operates separately from the air jet.WeldGuru.com, "Let the Weld Guru guide you through the world of CAC, Carbon Arc Cutting", 2008, URL (April 17, 2008) Air pressures for the jet usually vary from 60 to 100 psig .