In order that there is no backfire appeared when user closes valve, the torch adopts the precise manufacturing technology like watch-maker to built in a flashback arrestor between the valve and nozzle.
Optional nozzles accessories of the torch
single hole nozzle(1#,2#,3#,4#,5#)
nine hole nozzle
copper nozzle(1#,2#,3#,3#,5#)
