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Flashback Arrestors and Check Valves

Harris® Model 8530 20 PSI 1/2" Acetylene Dry-Type Flashback Arrestor

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Harris® Model 8530 20 PSI 1/2" Acetylene Dry-Type Flashback Arrestor

Harris® Model 8530 20 PSI 1/2" Acetylene Dry-Type Flashback Arrestor

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Airgas Part #:HCL4300222

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

Harris® FlashGuard® Model 88-5 FBHFR (L) Fuel Gas Regulator Type Flashback Arrestor

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Harris® FlashGuard® Model 88-5 FBHFR (L) Fuel Gas Regulator Type Flashback Arrestor

Harris® FlashGuard® Model 88-5 FBHFR (L) Fuel Gas Regulator Type Flashback Arrestor

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Airgas Part #:HCL4301655

Airgas® Brass Flash Arrestor Valve for O2 With 9/16"-18 RHF Inlet And 9/16-18 RH Outlet

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Airgas® Brass Flash Arrestor Valve for O2 With 9/16"-18 RHF Inlet And 9/16-18 RH Outlet

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Airgas® Brass Flash Arrestor Valve for O2 With 9/16"-18 RHF Inlet And 9/16-18 RH Outlet

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Airgas Part #:Y331FARH-AG

Lincoln® DownFlex® Pre-Spark Arrestor

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Lincoln® DownFlex® Pre-Spark Arrestor

Lincoln® DownFlex® Pre-Spark Arrestor

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Airgas Part #:LINKP4052-1

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

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

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

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

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

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Airgas Part #:MILH753

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

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

Western Check Valve

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Western Check Valve

Western Check Valve

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Airgas Part #:WESCV-4

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

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

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

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Airgas Part #:HCL4302212

Harris® Model 8530 20 PSI 1" Acetylene Dry-Type Flashback Arrestor

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Harris® Model 8530 20 PSI 1" Acetylene Dry-Type Flashback Arrestor

Harris® Model 8530 20 PSI 1" Acetylene Dry-Type Flashback Arrestor

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Airgas Part #:HCL4300221

Western Oxygen Demand Valve

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Western Oxygen Demand Valve

Western Oxygen Demand Valve

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Airgas Part #:WESM24-50

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® Model CTO Oxygen Check Valve

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Victor® Model CTO Oxygen Check Valve

Victor® Model CTO Oxygen Check Valve

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Airgas Part #:VIC0690-0032

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

Victor® Oxygen Plug Assembly

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Victor® Oxygen Plug Assembly

Victor® Oxygen Plug Assembly

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Airgas Part #:VIC0657-0031

Western Acetylene Flashback Arrestor With Inlet Check Valve

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Western Acetylene Flashback Arrestor With Inlet Check Valve

Western Acetylene Flashback Arrestor With Inlet Check Valve

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Airgas Part #:WESFA-510CV

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

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.