Flashback arrestor

Nineteenth century examples of dry and wet types of flashback arrestors, for use with oxy-hydrogen.
Different examples of typical Flashback arrestors for different applications
Flashback arrestors with different size and flow rate, and different connections

A flashback arrestor or flash arrestor is a gas safety device most commonly used in oxy-fuel welding and cutting to stop the flame or reverse flow of gas back up into the equipment or supply line. It protects the user and equipment from damage or explosions. These devices are mainly used in industrial processes where oxy-fuel gas mixtures are handled and used. Flashback arrestors as safety products are essential to secure the workplaces and working environment. In former times wet flashback arrestors were also used. Today the industry standard is to use dry flashback arrestors with at least two safety elements.