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Halon 1211 is still widely used in the United States, despite its high cost, with the US military being the biggest user. Europe and Australia have banned its use for all but "critical applications" such as aviation, military, and police use. The manufacture of UL Listed halon 1211 extinguishers was supposed to cease in October 2009. The future ...
Halon systems are among the most effective and commonly used fire protection systems used on commercial aircraft. Halon 1301 is the primary agent used in commercial aviation engine, cargo compartments, and auxiliary power unit fire zones. [9] [10] Efforts to find a suitable replacement for Halon 1301 have not produced a widely accepted replacement.
As of 2023, due to ozone depletion problems, halon fire extinguishers are largely banned in some countries and alternatives are being deployed by the US military. [ 12 ] Halon 1301 total flooding systems are typically used at concentrations no higher than 7% by volume in air, and can suppress many fires at 2.9% v/v.
Condensed aerosol fire suppression is a particle-based method of fire extinction. It is similar to but not identical to dry chemical fire extinction methods, using an innovative pyrogenic, condensed aerosol fire suppressant. It is a highly effective fire suppression method for class A, B, C, E and F (as is the case for most fire-extinguishing ...
Swedish Air Force Hangar Protected with 7000 kg Clean Agent FS49C2. Clean agent FS 49 C2 is an environmentally engineered, human safe, fast acting Clean Agent fire extinguishing gas for gaseous fire suppression installed in a suited fire suppression system. The gas consists of tetrafluoroethane, pentafluoroethane and carbon dioxide.
Bromofluorocarbon. Bromofluorocarbons (BFCs) are molecules based on carbon, bromine, and fluorine. The most common use has traditionally been in fire suppression systems. [1] The brand name "Halon" is frequently used interchangeably for BFCs. owever, not all Halons are technically BFCs (some contain chlorine also).
t. e. The Night of the Long Knives (German: Nacht der langen Messer) was a purge in which Adolf Hitler and the regime of Nazi Germany targeted members of the Sturmabteilung (SA), the paramilitary wing of the Nazi Party, as well as past opponents of the party. At least 85 people were murdered in the purge, which took place between June 30 and ...
This is a list of the largest known epidemics and pandemics caused by an infectious disease in humans. Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal ...