General Fire Extinguisher Information For the Workplace
Fire Extinguisher Agent Class
Fire Extinguisher Maintenance Intervals
Fire Extinguisher Maintenance Intervals
There are five different fire extinguisher classes. Each class tells you what kind of chemical agent it contains.
- Class A is for combustibles such as, trash, wood, paper and uses ABC dry chemical, water, foam, or clean agent.
- Class B is used for flammable liquids and uses ABC dry chemical, BC dry chemical, foam, carbon dioxide, or clean agent.
- Class C is used for live electrical equipment and uses ABC dry chemical, BC dry chemical, carbon dioxide.
- Class D is used for combustible metals such as magnesium, titanium, and sodium and uses Metal X powder.
- Class K is for cooking fats and oils and uses a wet chemical similar to the fire suppression systems agent.
Fire Extinguisher Maintenance Intervals
Fire Extinguisher Maintenance Intervals
Fire Extinguisher Maintenance Intervals
- 1-Year Annual inspection on all portable fire extinguishers.
- 5-Year Hydro Test on Co2, Class K , water based fire extinguishers, and extinguishers with a stainless steel shell.
- 6-Year maintenance and internal shell inspection on all stored pressure fire extinguishers.
- 12-Year Hydro Test on all fire extinguishers.