Patent ID: 8371845

Claim:
An industrial torch, comprising: a torch body having oxygen and gas supply passages; a torch head coupled to the torch body and comprising: an interior cavity; a flashback arrestor disposed in the interior cavity, comprising: a body comprising a porous material having a hollow cylindrical shape having a hollow interior region; and a separator disposed about an exterior of the body, wherein a first annular region of the body is located on one side of the separator and a second annular region of the body is located on an opposite side of the separator; and an insert comprising a hollow region that extends through the flashback arrestor and into a torch tip, wherein the insert is disposed in the hollow interior region of the body of the flashback arrestor; and the torch tip coupled to the torch head, wherein the industrial torch comprises: an oxygen path extending through the oxygen supply passage and through the first annular region of the body of the flashback arrestor; a gas path extending through the gas supply passage and through the second annular region of the body of the flashback arrestor; a gas mixing region downstream of the flashback arrestor in the oxygen and gas paths; and a high-pressure oxygen path extending through the hollow region of the insert such that high-pressure oxygen does not does not mix with the gas or the oxygen prior to egress from the torch tip.