... welding flashback arrestor for torch,regulator flashback arrestor,torch flashback arrestor 2.material: brass FA-04 welding flashback arrestor for torch,regulator flashback arrestor,torch flashback arrestor1. Part No.: FA-042. Flashback Arrestor For Torch3. ... 5bar/21psi4. material : brass5. can also supply flashback arrestor for regulator, hose, torch, pipe, welding & cutting torch, oxygen & ...