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The FA-30 Flashback Arrestor is a regulator-end safety device designed to prevent dangerous reverse gas flow and accidental mixing of oxygen and fuel gases in oxy-fuel cutting and welding systems. Installed between the regulator and hose, this arrestor provides critical protection against flashback events that can damage equipment and endanger operators.
Built with internal check valves, this flashback arrestor stops reverse flow before it reaches the regulator or cylinder. The dual-action design prevents both backflow and the mixing of incompatible gases—two of the most common causes of equipment damage and workplace incidents in oxy-fuel operations. The compact, inline design integrates seamlessly into existing setups without adding bulk or restricting gas flow during normal operation.
Key Features
Regulator-End Installation — Mounts directly between the regulator and hose for upstream protection of gas cylinders and regulators.
Internal Check Valves — Dual check valve system prevents reverse flow and stops accidental mixing of oxygen and fuel gases.
9/16-18 TPI Threading — Standard right-hand thread fits most regulators and hoses used in oxy-fuel systems.
10-Inch Cutting Capacity — Engineered for cutting operations up to 10 inches thick, suitable for heavy fabrication and demolition work.
Inline Design — Low-profile construction maintains manageable hose assembly length without adding unnecessary weight.
Applications
Used by welders, metal fabricators, HVAC technicians, and maintenance crews operating oxy-acetylene or oxy-propane cutting and welding equipment. Essential for shops and jobsites where torch cutting is performed regularly, particularly in heavy industrial, shipyard, and structural steel environments.
