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Flashback Arrestors and Check Valves

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Western Model Mini-DG Oxygen Regulator Flashback Arrestor

Western Model Mini-DG Oxygen Regulator Flashback Arrestor

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Airgas Part #:WESFA-90

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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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Western Heavy Duty Check Valve

Western Heavy Duty Check Valve

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Airgas Part #:WESCV-5

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Victor® Flamebuster™ Model FBP-1 Fuel Gas Flashback Arrestor

Victor® Flamebuster™ Model FBP-1 Fuel Gas Flashback Arrestor

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Airgas Part #:VIC0657-0003

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Harris® FlashGuard® Model 88-6 CVR (L) Fuel Gas Regulator Type Check Valve

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Harris® FlashGuard® Model 88-6 CVR (L) Fuel Gas Regulator Type Check Valve

Harris® FlashGuard® Model 88-6 CVR (L) Fuel Gas Regulator Type Check Valve

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Airgas Part #:HCL4300384

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Harris® FlashGuard® Model 88-6 CVR (R) Oxygen Regulator Type Check Valve

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Harris® FlashGuard® Model 88-6 CVR (R) Oxygen Regulator Type Check Valve

Harris® FlashGuard® Model 88-6 CVR (R) Oxygen Regulator Type Check Valve

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Airgas Part #:HCL4300383

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

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

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

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Airgas Part #:HCL4300389

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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® 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

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Victor® Oxygen And Fuel Gas Check Valve Set

Victor® Oxygen And Fuel Gas Check Valve Set

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Airgas Part #:VIC0690-0012

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Western Heavy Duty Check Valve

Western Heavy Duty Check Valve

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Airgas Part #:WESCVM-4F

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Western Oxygen Demand Valve

Western Oxygen Demand Valve

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Airgas Part #:WESM24-40

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Lincoln® Spark Arrestor (For Ranger® MPX Models)

Lincoln® Spark Arrestor (For Ranger® MPX Models)

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Airgas Part #:LINK3679-1

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Western Check Valve

Western Check Valve

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Airgas Part #:WESCV-6

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Western Check Valve

Western Check Valve

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Airgas Part #:WESCV-4

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Western Heavy Duty Check Valve

Western Heavy Duty Check Valve

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Airgas Part #:WESCVM-4FSS

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Victor® Fuel Gas Check Valve

Victor® Fuel Gas Check Valve

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Airgas Part #:VIC0652-0029

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Western Oxygen Demand Valve

Western Oxygen Demand Valve

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Airgas Part #:WESM24-50

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Western Oxygen Check Valve

Western Oxygen Check Valve

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Airgas Part #:WESMCV-2

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

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

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

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Airgas Part #:HCL4300835

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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.