Fire extinguisher older models also achieved class B and C fire-fighting capability in the past, current models are rated A:K (Amerex, Ansul, Buckeye and Strike First) or K only (Badger/Kidde). Clean agents extinguish fire by displacing oxygen (CO or inert gases), removing heat from the combustion zone (Halotron-1, FE-36, Novec 1230) or inhibiting the chemical chain reaction (Halons). They are referred to as clean agents because they do not leave any residue after discharge which is ideal for protecting sensitive electronics, aircraft, armored vehicles and archival storage, museums, and valuable documents. Halon was completely banned in Europe and Australia except for critical
Grinnell Company-General Fire Extinguisher Company Complex The complex was built for the largest manufacturer of automatic sprinklers and other fire protection products in North America. It was added to the National Register of Historic Places in 2003. Grinnell Company-General Fire Extinguisher Company Complex Grinnell Company-General Fire Extinguisher Company Complex is a historic factory complex located at Charlotte, Mecklenburg County, North Carolina. It was built in 1929-1930, and consists of a two-story office building and massive tall, one-story Grinnell manufacturing building. The office building is a reinforced concrete structure, with a brick veneer, a flat roof, and a parapet capped in concrete coping. The manufacturing building has