3/8"-24 Welding Gas Flashback Arresters

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4 Products

Welding Gas Flashback Arresters for Regulators

Standard and High Flow

Attach these arresters to the outlet connection of a regulator on a torch that cuts steel up to 11" thick. Arresters extinguish flames and have a check valve to stop reverse gas flow. They are reusable; resetting is not required after flashback.

Arresters with right-hand threads are for use with oxygen. Arresters with left-hand threads are for use with acetylene, hydrogen, and propane.

For technical drawings and 3-D models, click on a part number.

Right-Hand Threads—UNF Male × UNF Female

Standard
Thread Size	Max. Pressure for Oxygen, psi	Material	Specifications Met		Each
3/8"-24	143	Brass	EN 730, ISO 5175	0000000	000000

Left-Hand Threads—UNF Male × UNF Female

	Max. Pressure, psi
Thread Size	Acetylene	Hydrogen	Propane	Material	Specifications Met		Each
Standard
3/8"-24	15	50	50	Brass	EN 730, ISO 5175	0000000	000000

Welding Gas Flashback Arresters for Torches

Standard and High Flow

These arresters attach directly to torches that cut steel up to 8" thick. They extinguish flames and have a check valve to stop reverse gas flow. They are reusable; resetting is not required after flashback.

Arresters with right-hand threads are for use with oxygen; arresters with left-hand threads are for use with acetylene, hydrogen, and propane.

High-flow arresters give you twice the airflow rate compared to standard flashback arresters when they’re used at the same inlet pressure. They are often used with larger torch tips.

For technical drawings and 3-D models, click on a part number.

With Right-Hand Threads

Male Hose Connection		Female Hose Connection
Thread Size	Thread Type	Thread Size	Thread Type	Max. Pressure for Oxygen, psi	Material	Specifications Met		Each
High Flow
3/8"-24	UNF	3/8"-24	UNF	143	Brass	EN 730, ISO 5175	0000000	000000

With Left-Hand Threads

Male Hose Connection		Female Hose Connection		Max. Pressure, psi
Thread Size	Thread Type	Thread Size	Thread Type	Acetylene	Hydrogen	Propane	Material	Specifications Met		Each
High Flow
3/8"-24	UNF	3/8"-24	UNF	15	50	50	Brass	EN 730, ISO 5175	0000000	000000