What is the typical internal pressure range of fire extinguishers?

The typical internal pressure range of fire extinguishers is important for ensuring their proper functioning and safety. The range of 100 psi to 850 psi encompasses the pressures at which most types of fire extinguishers are designed to operate effectively.

Fire extinguishers are built to withstand high pressures so that they can discharge their contents rapidly and effectively when needed. This pressure range ensures that the extinguishing agent is expelled forcefully enough to reach the fire while maintaining the structural integrity of the extinguisher cylinder under operational conditions.

Extinguishers that operate within this range are generally portable and can be easily used by individuals in emergencies. The specifications reflect the need for reliability, safety, and performance in suppressing fires. Pressures below this range may not provide a sufficient discharge range for effectively combating fires, while pressures exceeding this range could pose a risk of cylinder rupture or failure.