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Flashback Arrestors and Check Valves

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Victor® Reverse Flow Check Valves Model CTO Oxygen Check Valve

Victor® Reverse Flow Check Valves Model CTO Oxygen Check Valve

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Airgas Part #:VIC0690-0032

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Western Model CV-4M Heavy Duty NPT Check Valve

Western Model CV-4M Heavy Duty NPT Check Valve

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Airgas Part #:WESCV-4M

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

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

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

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Airgas Part #:HCL4300224

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

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

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Airgas Part #:HCL4300229

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Victor® Flamebuster™ Model FBA Fuel Gas Torch Flashback Arrestor

Victor® Flamebuster™ Model FBA Fuel Gas Torch Flashback Arrestor

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Airgas Part #:VIC0656-0054

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Harris® FlashGuard® Model 88-5 FBHFRC ® Oxygen Flashback Arrestor

Harris® FlashGuard® Model 88-5 FBHFRC ® Oxygen Flashback Arrestor

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Airgas Part #:HCL4300235

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Harris® Flash-Guard® 88-7 CVRR 9/16" - 18 Replacement Regulator Reverse Flow Check Valve

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Harris® Flash-Guard® 88-7 CVRR 9/16" - 18 Replacement Regulator Reverse Flow Check Valve

Harris® Flash-Guard® 88-7 CVRR 9/16" - 18 Replacement Regulator Reverse Flow Check Valve

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Airgas Part #:HCL4300381

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Harris® Flash-Guard® 88-7 CVRL 9/16" - 18 Replacement Regulator Reverse Flow Check Valve

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Harris® Flash-Guard® 88-7 CVRL 9/16" - 18 Replacement Regulator Reverse Flow Check Valve

Harris® Flash-Guard® 88-7 CVRL 9/16" - 18 Replacement Regulator Reverse Flow Check Valve

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Airgas Part #:HCL4300382

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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.