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Halon fire extinguishant were regarded for many years as the most effective fire suppressants for a wide range of applications.
Amendments to the Montreal Protocol of 1987 focused on the manufacture of Halon, however, and their production has now ceased in recognition of their damage to the ozone layer.
NK fire protection systems now utilise the clean gaseous agents recognised by NFPA 2001 and IMO FP 44/INF.3, MSC circular 848/773 as alternative to the halons including ;


Halocarbon Agents - These are chemical agents that contain chlorine, fluorine, or iodine either individually or in some combination.
Classes of agents include hydrochlorofluorocarbons(HCFCs), hydrofluorocarbons(HFCs), perfluorocarbons(PFCs), and fluoroiodocarbons(FICs).
These agents share several common characteristics, with the details varying between chemicals.
These common characteristics include electrically non-conductive, clean agents(vaporize readily and leave no residue), and liquefied gases or compressible liquids.

Inert Gases - Inert gas systems are designed to reduce the ambient oxyen concentration in a protected space to between 10-14%, a level that is breathable but will not support flaming combustion.
These systems use inert gases such as argon and nitrogen, either as mixtures or alone. Inert gases are electrically non-conductive, clean aents.

NK clean agents systems comprise versatile line of cylinders, valves and related components for release as well as variety of extinguishants for use in the applicable environments so that maximum economy in installation can be ensured.

 
 
 
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