Application: For installation between the torch and hoses
Specification: The thread specification of air inlet and air outlet of flashback arrestor is 9/16-18 B size.
Material: The flashback arrestor is formed by pure copper, which is sturdy and durability.The acetylene arrestor in this set can also be used for Propane or Mapp gas
Working Pressure: The maximum bearing pressure of oxygen check valve is 20bar/290PSI. The maximum bearing pressure of acetylene check valve is 1.5bar/21PSI.
Check Valve: The one-way valve design allows the flashback arrestor to guarantee that gas can merely flow in one direction instead of back flow to prevent accidents.