Method of Recharging Fire Extinguisher Bottles.
DEPARTMENT OF THE ARMY WASHINGTON DC
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This invention relates to a method of recharging fire extinguisher bottles wherein special transfer cylindrs are used to store and discharge predetermined quantities of liquid fire suppressant and pressurizing gas to the bottle. The process is carried out on a weight basis to minimize errors that would occur if the charging process were carried out on a pressure or volume basis. The invention is particularly applicable to the recharging of fire extinguisher bottles located in military vehicles without the necessity for first removing the bottles from the vehicles.
- Safety Engineering