Where is the gauge of the extinguisher? The pressure is normal
The third section of the yellow area, said the fire extinguisher powder pressure, can spray powder. But there is a danger of blasting and explosion of fire extinguishers. This state, the best fire equipment stores also get regular re filling powder. The yellow box area is the fire extinguisher production or maintenance in the process of inflating a danger zone manufacturers use and in general, the regular manufacturers will charge in the Green Zone, if the pointer in the Yellow grid region said the pressure is too large, as stated above a certain risk, but that does not mean there is invalid for use! Anyway, green area is useful is between the red between green and yellow are all replaced comparison of insurance
Fire extinguisher pressure gauge is divided into three sections: the first section is the pointer to the red zone, red zone, said the fire extinguishing powder is pressure small, cannot be ejected, has failed. That should go to the regular store fire fighting equipment re filling powder. The second section (narrow) is the Green Zone, the pointer in the area, said pressure normally, can be used normally.
