ESAB Cutting Plasma Machine ESP-150 is a type of cutting welding machine that provides the perfect solution for cutting plasma production and locking. ESP 150 can cut up to 51 mm manually and can disconnect 63 mm, using a mixture of Ar / H2 or compressed air. The choice of gas for higher quality cuts, especially in aluminum and stainless, results in lower total operating costs - PT 26 torch cutting with a nitrogen or argon-hydrogen mixture; the choice of carbon dioxide, air, nitrogen or oxygen for cooling torches.