Flame arresters are specialised mechanical devices designed to permit the flow of air or fluid while preventing the progression of a flame. They are strategically installed to halt the movement of flames through pipelines (in-line) and into containers (end-of-line). Their operation hinges on two key principles: firstly, they eliminate the oxygen within a flame, effectively extinguishing it, and secondly, they reduce the flame’s temperature below its auto-ignition point. Flame arresters are indispensable in environments where flammable liquids and gases are prevalent. This includes but is not limited to, fuel terminals, chemical plants, distilleries, and pharmaceutical plants.
Flame arresters play a crucial role in limiting the damage caused by ignition. They can inhibit a fire from spreading from one area of a facility to another and prevent a flame from penetrating a vessel and igniting vapour. These devices are designed to curb flame propagation in gas piping systems and safeguard low-pressure tanks containing flammable liquids. By protecting low flash point liquids from external heat and ignition sources, flame arresters enhance fire protection and safety.
•Deflagration Flame Arresters: Deflagration describes a subsonic combustion process that propagates through heat transfer, where hot burning material heats the next layer of cold material and ignites it. This type of combustion is commonly observed in everyday fires and explosions.