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Check Valves & Flash Arrestors

RADNOR™ Model FA-30 Fuel Gas And Oxygen Regulator Flashback Arrestor Set

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RADNOR™ Model FA-30 Fuel Gas And Oxygen Regulator Flashback Arrestor Set

RADNOR™ Model FA-30 Fuel Gas And Oxygen Regulator Flashback Arrestor Set

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Airgas Part #: RAD64003942

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RADNOR™ Model FA-10 Fuel Gas And Oxygen Torch Flashback Arrestor Set

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RADNOR™ Model FA-10 Fuel Gas And Oxygen Torch Flashback Arrestor Set

RADNOR™ Model FA-10 Fuel Gas And Oxygen Torch Flashback Arrestor Set

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Airgas Part #: RAD64003941

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RADNOR™ Model WE-60 Fuel Gas And Oxygen Check Valve Set (Torch Model)

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RADNOR™ Model WE-60 Fuel Gas And Oxygen Check Valve Set (Torch Model)

RADNOR™ Model WE-60 Fuel Gas And Oxygen Check Valve Set (Torch Model)

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Airgas Part #: RAD64003948

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RADNOR™ Model WE-61 Fuel Gas And Oxygen Check Valve Set (Regulator Bushing Adaptor Model)

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RADNOR™ Model WE-61 Fuel Gas And Oxygen Check Valve Set (Regulator Bushing Adaptor Model)

RADNOR™ Model WE-61 Fuel Gas And Oxygen Check Valve Set (Regulator Bushing Adaptor Model)

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Airgas Part #: RAD64003949

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Harris® Flash-Guard® 88-5 FBR (R&L) 9/16" - 18 Regulator Flashback Arrestor With Check Valve

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Harris® Flash-Guard® 88-5 FBR (R&L) 9/16" - 18 Regulator Flashback Arrestor With Check Valve

Harris® Flash-Guard® 88-5 FBR (R&L) 9/16" - 18 Regulator Flashback Arrestor With Check Valve

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Airgas Part #: HCL4301651

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Victor® Flamebuster™ Model FB-1 Fuel Gas And Oxygen Flashback Arrestor Set

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Victor® Flamebuster™ Model FB-1 Fuel Gas And Oxygen Flashback Arrestor Set

Victor® Flamebuster™ Model FB-1 Fuel Gas And Oxygen Flashback Arrestor Set

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Airgas Part #: VIC0656-0001

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Victor® Fuel Gas And Oxygen Retro-Fit Kit

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Victor® Fuel Gas And Oxygen Retro-Fit Kit

Victor® Fuel Gas And Oxygen Retro-Fit Kit

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Airgas Part #: VIC0656-0046

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Harris® Flash-Guard® 88-5 FBT (R&L) 9/16" - 18 Torch Flashback Arrestor With Check Valve

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Harris® Flash-Guard® 88-5 FBT (R&L) 9/16" - 18 Torch Flashback Arrestor With Check Valve

Harris® Flash-Guard® 88-5 FBT (R&L) 9/16" - 18 Torch Flashback Arrestor With Check Valve

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Airgas Part #: HCL4302202

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Western Oxygen "B" 9/16" - 18 Regulator Adapter Flashback Arrestor

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Western Oxygen "B" 9/16" - 18 Regulator Adapter Flashback Arrestor

Western Oxygen "B" 9/16" - 18 Regulator Adapter Flashback Arrestor

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Airgas Part #: WESFA-130P

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Harris® Flash-Guard® 88-6 CVTL 9/16" - 18 Torch Reverse Flow Check Valve

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Harris® Flash-Guard® 88-6 CVTL 9/16" - 18 Torch Reverse Flow Check Valve

Harris® Flash-Guard® 88-6 CVTL 9/16" - 18 Torch Reverse Flow Check Valve

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Airgas Part #: HCL4300161

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Victor® Flamebuster™Model FBR-1 Fuel Gas And Oxygen Torch Flashback Arrestor Set

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Victor® Flamebuster™Model FBR-1 Fuel Gas And Oxygen Torch Flashback Arrestor Set

Victor® Flamebuster™Model FBR-1 Fuel Gas And Oxygen Torch Flashback Arrestor Set

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Airgas Part #: VIC0656-0004

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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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Western Fuel Gas "B" 9/16" - 18 Torch Flashback Arrestor

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Western Fuel Gas "B" 9/16" - 18 Torch Flashback Arrestor

Western Fuel Gas "B" 9/16" - 18 Torch Flashback Arrestor

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Airgas Part #: WESFA-200P

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Western 125 psig Oxygen "B" 9/16" - 18 Torch Flashback Arrestor

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Western 125 psig Oxygen "B" 9/16" - 18 Torch Flashback Arrestor

Western 125 psig Oxygen "B" 9/16" - 18 Torch Flashback Arrestor

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Airgas Part #: WESFA-100P

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Victor® Vanguard™ Oxygen Cartridge

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Victor® Vanguard™ Oxygen Cartridge

Victor® Vanguard™ Oxygen Cartridge

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Airgas Part #: VIC0657-0068

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Harris® Flash-Guard® 88-6 CVT (R&L) 9/16" - 18 Torch Reverse Flow Check Valve (Blister Pack Per Pair)

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Harris® Flash-Guard® 88-6 CVT (R&L) 9/16" - 18 Torch Reverse Flow Check Valve (Blister Pack Per Pair)

Harris® Flash-Guard® 88-6 CVT (R&L) 9/16" - 18 Torch Reverse Flow Check Valve (Blister Pack Per Pair)

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Airgas Part #: HCL4300390

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Victor® Model KC-1 Oxygen And Fuel Gas Torch/Hose Connection Set

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Victor® Model KC-1 Oxygen And Fuel Gas Torch/Hose Connection Set

Victor® Model KC-1 Oxygen And Fuel Gas Torch/Hose Connection Set

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Airgas Part #: VIC0656-0000

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Victor® Vanguard™ Fuel Gas And Oxygen Cartridge

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Victor® Vanguard™ Fuel Gas And Oxygen Cartridge

Victor® Vanguard™ Fuel Gas And Oxygen Cartridge

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Airgas Part #: VIC0657-0036

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Harris® Flash-Guard® 88-5 FBR (L) 9/16" - 18 Regulator Mount High Flow Flashback Arrestor With Check Valve And Thermal Shut Off

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Harris® Flash-Guard® 88-5 FBR (L) 9/16" - 18 Regulator Mount High Flow Flashback Arrestor With Check Valve And Thermal Shut Off

Harris® Flash-Guard® 88-5 FBR (L) 9/16" - 18 Regulator Mount High Flow Flashback Arrestor With Check Valve And Thermal Shut Off

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Airgas Part #: HCL4301655

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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

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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.