- Flashback arrestor set has internal check valves for both oxygen and acetylene
- For installation between the torch and hoses
- Standard "B" Fittings (9/16"- 18 UNF) fits most twin hoses
- Color coded for safety
- Solid Brass construction for long life
Flashback arrestors are designed to prevent reverse flow of oxygen and acetylene gases and thus the accidental mixing of the gases. Often used, and sometime required, in conjunction with regulator end flashback arrestors for both upstream and downstream flashback prevention. Oxygen is standard right hand threads, acetylene is standard left hand threads. Fits most 1/4” and 3/16” twin hose sets.
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