The red, green and yellow meanings of fire extinguishers
Jun 27, 2018

The red, green and yellow colors of fire extinguishers respectively represent:

If the pointer points to the red area, it indicates that the pressure inside the fire extinguisher is small and cannot be ejected. This indicates that the fire extinguisher has failed. Please fill it up or replace it immediately.

If the pointer points to the green area, it indicates that the pressure inside the fire extinguisher is normal and can be used normally. It can be found that the green area is the narrowest of the red, green and yellow sections.

If the pointer points to the yellow area, it indicates that the fire extinguisher is under too much pressure and can be used, but it is in danger of explosion.

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