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Flashback Arrestors and Check Valves

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

Victor® Oxygen Plug Assembly

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Victor® Oxygen Plug Assembly

Victor® Oxygen Plug Assembly

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Airgas Part #:VIC0657-0031

Victor® Fuel Gas Plug Assembly

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Victor® Fuel Gas Plug Assembly

Victor® Fuel Gas Plug Assembly

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Airgas Part #:VIC0657-0032

Harris® FlashGuard® Model 88-5 FBHFR (R) Oxygen Regulator Type Flashback Arrestor

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Harris® FlashGuard® Model 88-5 FBHFR (R) Oxygen Regulator Type Flashback Arrestor

Harris® FlashGuard® Model 88-5 FBHFR (R) Oxygen Regulator Type Flashback Arrestor

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Airgas Part #:HCL4301652

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

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

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

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

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Airgas Part #:VIC0657-0011

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

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

Victor® Fuel Gas Flashback Arrestor Assembly

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Victor® Fuel Gas Flashback Arrestor Assembly

Victor® Fuel Gas Flashback Arrestor Assembly

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Airgas Part #:VIC0657-0035

Harris® Model 88-5 FBT (R) Oxygen Torch Type Flashback Arrestor

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Harris® Model 88-5 FBT (R) Oxygen Torch Type Flashback Arrestor

Harris® Model 88-5 FBT (R) Oxygen Torch Type Flashback Arrestor

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Airgas Part #:HCL4302210

Harris® Model 88-5 FBT (L) Fuel Gas Torch Type Flashback Arrestor

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Harris® Model 88-5 FBT (L) Fuel Gas Torch Type Flashback Arrestor

Harris® Model 88-5 FBT (L) Fuel Gas Torch Type Flashback Arrestor

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Airgas Part #:HCL4302209

Western Check Valve

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Western Check Valve

Western Check Valve

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Airgas Part #:WESCVF-4M

Harris® Model 8530 40 PSI 1/2" Hydrogen And Natural Gas And Propane (LPG) Dry-Type Flashback Arrestor Set

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Harris® Model 8530 40 PSI 1/2" Hydrogen And Natural Gas And Propane (LPG) Dry-Type Flashback Arrestor Set

Harris® Model 8530 40 PSI 1/2" Hydrogen And Natural Gas And Propane (LPG) Dry-Type Flashback Arrestor Set

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Airgas Part #:HCL4300224

Victor® Check Valve Repair Package

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Victor® Check Valve Repair Package

Victor® Check Valve Repair Package

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Airgas Part #:VIC0690-0027

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

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

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

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

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Airgas Part #:VIC0657-0076

Lincoln® DownFlex® Spark Arrestor

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Lincoln® DownFlex® Spark Arrestor

Lincoln® DownFlex® Spark Arrestor

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Airgas Part #:LINKP2752-12

Harris® Model 147.024 225 PSI 1/2" Oxygen Dry-Type Flashback Arrestor

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Harris® Model 147.024 225 PSI 1/2" Oxygen Dry-Type Flashback Arrestor

Harris® Model 147.024 225 PSI 1/2" Oxygen Dry-Type Flashback Arrestor

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Airgas Part #:HCL4300229

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

Harris® FlashGuard® Model 88-5 FBTA (R&L) Fuel Gas And Oxygen Torch Type Flashback Arrestor Set

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Harris® FlashGuard® Model 88-5 FBTA (R&L) Fuel Gas And Oxygen Torch Type Flashback Arrestor Set

Harris® FlashGuard® Model 88-5 FBTA (R&L) Fuel Gas And Oxygen Torch Type Flashback Arrestor Set

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Airgas Part #:HCL4302205

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.