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A fire arrestor, also known as a flame arrestor or spark arrestor, is a safety device designed to prevent the propagation of flames or sparks from entering a pipeline, vessel, or equipment that may contain flammable gases or vapors. These devices are essential in industries such as oil and gas, chemical processing, and petrochemicals, where the risk of fires or explosions due to ignition sources must be minimized.
One key function of a fire arrestor is to extinguish or cool down any flames or sparks that may be present in a gas stream, preventing them from igniting flammable atmospheres within a system. This is achieved by forcing the flame or spark to pass through a series of metal or mesh layers, where the heat is dissipated, and the flame front is disrupted, preventing it from progressing further.
Fire arrestors are typically installed at strategic points in the piping or venting systems where there is a potential for ignition, such as near storage tanks, pressure relief devices, or process equipment. They can be integrated into the piping or mounted externally, depending on the application requirements and space constraints.
In addition to their role in flame mitigation, fire arrestors also help protect personnel, equipment, and the environment from the risks associated with flammable gases or vapors. By preventing the spread of flames or sparks, these devices contribute to overall safety and compliance with regulatory standards in hazardous environments.
Overall, fire arrestors are critical safety devices that play a crucial role in preventing fires and explosions in industrial processes where flammable gases or vapors are present. Their ability to extinguish flames, control ignition sources, and mitigate risks make them indispensable components in ensuring the safety and integrity of industrial operations.