Extinguishers described here is not expected to deal with a large
fire as well as these are essentially First Aid Fire Fighting Appliances.
Nevertheless they are very valuable if used promptly and effectively in
early stage of fire.
Portable Fire Extinguishers, Mechanical Foam type is one of the
types of the Fire Aid Fire Fighting Appliances. This type of extinguishers
in which foam is expanded by means of pressure produced from compressed
or liquefied gas from a pressure container fitted into the extinguishers,
is suitable for fighting fires in non-polar flammable liquids.
Portable Fire Extinguisher,Mechanical Foam type is suitable for
Class B fires.
It is a Cylindrical Type duly welded and fitted with cap and cartridge along
with discharge horn and nozzle, duly painted Fire Red. Strictly confirming
to IS: 10204-1982.
The extinguisher shall be operated by holding the extinguisher upright and
piercing the gas container by applying pressure on the knob of the cartridge-piercing
mechanism, whereby the compressed gas shall be released from the gas cartridge
into the container and shall expel the foam by agitating it and exerting
a pressure on it.
Available in 9 litres Capacity.
Useful for Class 'B' Fires involving flammable liquids or liquifiable solids
or the like where a blanketing effect is essential.
Petrol Pumps,Corrosive Tanks, Factories, Warehouse, Theatre and all kinds
of Public Buildings.
The extinguisher designed is capable of extinguishing a petrol fire of 1.4
m2 made of 8 litres of petrol in maximum period of 40 Seconds.
Oil, Petroleum Products,Paints, Chemical, Varnish,Solvents and kind of Inflammable
Refilling is only required when extinguisher is or every three years as
per IS:2190 - 1992.