This Korean Industrial Standard specifies the manual gas cutting torches(hereafter referred to as the "cutting torch") using acetylene gas, liquefied petroleum gas or gases having a preheating effect equivalent to or larger than those at a supply pressure less than 0.98 bar {1.0 kgf/cm2 } as preheating fuel gas. However, torches of special construction and torches equipped with an independent preheating tip nozzle are not included here. Remark The units and numerical values given in { } in this Standard are based on the
traditional units and are appended for informative reference.
And the pressure to be used in this Standard is indicated by gauge pressure.