Victor Series 3 – Acetylene Cutting Tips - Norco Inc
With a two hose cutting torch, preheat pressure is set by the cutting oxygen. ** For best results use ST2600FC series torches and 3/8" hose when using tip size 6 or larger. *** All pressures are measured at the regulator using 25' x 1/4" hose through tip size 5 and 25' x 3/8" hose for tip size 6 and larger.