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Flashback Arrestors and Check Valves

Western Heavy Duty Check Valve

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Western Heavy Duty Check Valve

Western Heavy Duty Check Valve

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Airgas Part #:WESCV-4M

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Western Adapter Flashback Arrestor Body

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Western Adapter Flashback Arrestor Body

Western Adapter Flashback Arrestor Body

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Airgas Part #:WESFA-2

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Airgas® Stainless Steel Ball-Type Check Valve With Viton-A® O-Ring, 1/4" FNPT Inlet And 1/4" FNPT Outlet

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Airgas® Stainless Steel Ball-Type Check Valve With Viton-A® O-Ring, 1/4" FNPT Inlet And 1/4" FNPT Outlet

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Airgas® Stainless Steel Ball-Type Check Valve With Viton-A® O-Ring, 1/4" FNPT Inlet And 1/4" FNPT Outlet

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Airgas Part #:Y33442-AG

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Miller® Fuel And Oxygen Reverse Flow Check Valve Set

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Miller® Fuel And Oxygen Reverse Flow Check Valve Set

Miller® Fuel And Oxygen Reverse Flow Check Valve Set

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Airgas Part #:MILH698

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Victor® Cutskill® Model FBR2 Fuel Gas And Oxygen Torch Flashback Arrestor Set

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Victor® Cutskill® Model FBR2 Fuel Gas And Oxygen Torch Flashback Arrestor Set

Victor® Cutskill® Model FBR2 Fuel Gas And Oxygen Torch Flashback Arrestor Set

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Airgas Part #:VIC0656-0007

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Victor® Model CTF Fuel Gas Check Valve

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Victor® Model CTF Fuel Gas Check Valve

Victor® Model CTF Fuel Gas Check Valve

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Airgas Part #:VIC0690-0033

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Western Oxygen Demand Valve

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Western Oxygen Demand Valve

Western Oxygen Demand Valve

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Airgas Part #:WESM24-50

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Lincoln® DownFlex® Spark Arrestor

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Lincoln® DownFlex® Spark Arrestor

Lincoln® DownFlex® Spark Arrestor

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Airgas Part #:LINKP2752-12

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Harris® Model 88-26 FBT (R&L) Fuel Gas And Oxygen Torch Type Flashback Arrestor Set

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Harris® Model 88-26 FBT (R&L) Fuel Gas And Oxygen Torch Type Flashback Arrestor Set

Harris® Model 88-26 FBT (R&L) Fuel Gas And Oxygen Torch Type Flashback Arrestor Set

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Airgas Part #:HCL4302206

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Victor® Cutskill® Model FBT2 Oxygen And Fuel Gas Torch Flashback Arrestor Set

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Victor® Cutskill® Model FBT2 Oxygen And Fuel Gas Torch Flashback Arrestor Set

Victor® Cutskill® Model FBT2 Oxygen And Fuel Gas Torch Flashback Arrestor Set

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Airgas Part #:VIC0656-0006

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Miller® Model Series 30 Fuel And Oxygen Medium Duty Torch Mount Flashback Arrestors Set

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Miller® Model Series 30 Fuel And Oxygen Medium Duty Torch Mount Flashback Arrestors Set

Miller® Model Series 30 Fuel And Oxygen Medium Duty Torch Mount Flashback Arrestors Set

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Airgas Part #:MILH743

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Western Compressed Air Check Valve Outlet

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Western Compressed Air Check Valve Outlet

Western Compressed Air Check Valve Outlet

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Airgas Part #:WESWMS-1-62

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Victor® Fuel Gas And Oxygen Check Valve Set

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Victor® Fuel Gas And Oxygen Check Valve Set

Victor® Fuel Gas And Oxygen Check Valve Set

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Airgas Part #:VIC0690-0011

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Airgas® Brass Flash Arrestor Valve for O2/Fuel Gas With 1/4" FNPT Inlet And 1/4" FNPT Outlet

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Airgas® Brass Flash Arrestor Valve for O2/Fuel Gas With 1/4" FNPT Inlet And 1/4" FNPT Outlet

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Airgas® Brass Flash Arrestor Valve for O2/Fuel Gas With 1/4" FNPT Inlet And 1/4" FNPT Outlet

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Airgas Part #:Y331FA44-AG

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Victor® Flamebuster™Model FB-FR Fuel Gas Flashback Arrestor

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Victor® Flamebuster™Model FB-FR Fuel Gas Flashback Arrestor

Victor® Flamebuster™Model FB-FR Fuel Gas Flashback Arrestor

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Airgas Part #:VIC0657-0015

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Western Oxygen Demand Valve

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Western Oxygen Demand Valve

Western Oxygen Demand Valve

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Airgas Part #:WESM24-40

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Victor® Flamebuster™ Model FBHC-OC Oxygen Torch Flashback Arrestor

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Victor® Flamebuster™ Model FBHC-OC Oxygen Torch Flashback Arrestor

Victor® Flamebuster™ Model FBHC-OC Oxygen Torch Flashback Arrestor

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Airgas Part #:VIC0657-0077

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Harris® FlashGuard® Model 88-6 CVT (R) Oxygen Torch Type Check Valve

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Harris® FlashGuard® Model 88-6 CVT (R) Oxygen Torch Type Check Valve

Harris® FlashGuard® Model 88-6 CVT (R) Oxygen Torch Type Check Valve

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Airgas Part #:HCL4300162

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Harris® FlashGuard® Model 88-6 CVT (R&L) Fuel Gas And Oxygen Torch Type Check Valve Set

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Harris® FlashGuard® Model 88-6 CVT (R&L) Fuel Gas And Oxygen Torch Type Check Valve Set

Harris® FlashGuard® Model 88-6 CVT (R&L) Fuel Gas And Oxygen Torch Type Check Valve Set

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Airgas Part #:HCL4300390

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Victor® Vanguard™Fuel Gas Cartridge

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Victor® Vanguard™Fuel Gas Cartridge

Victor® Vanguard™Fuel Gas Cartridge

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Airgas Part #:VIC0657-0069

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Check Valves And Flash Arrestors At Airgas

Airgas offers a wide variety of check valves and flash arrestors from leading manufacturers like RADNOR™️, Western Enterprises, Harris Products Group and Victor that are critical for on-the-job safety. They prevent reverse gas flow and extinguish flashback fire during the oxyfuel processes. Choose from demand valves, plug assemblies, retrofit kits, adapters, inlet checks, torch/hose connection sets, and more with Airgas's convenient one-stop shopping.


Airgas is a leading single-source supplier for all things gases, welding equipment and supplies, and safety products. Find it with us, anytime, anywhere at Airgas.com.