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
Chubb Fire Campbell copper shell extinguisher was installed in the RAC Club in London. This pure copper extinguisher was very popular where appearance was important. 1964 The business was acquired by Chubb and Sons but continued to operate from Horsham as Read and Campbell until the formation of Chubb Fire Security Limited in 1971. Minimax, started in England in 1903, very soon became world renowned for their conical extinguisher known as 'The Minimax'. This was until they joined The Pyrene Company in 1955, their unique shaped extinguishers were a familiar sight in most public buildings and offices. 1903 Minimax Limited opened their