treatment) for maximum corrosion resistance and have passed
the 480-hour salt spray test. The hot forged brass valve is
fitted with a pressure indicator and can be tested 'in service'
as required by BS EN 3
of dry powder fire extinguishers is charged with specially
fluidised and siliconised mono ammonium phosphate powder which
offers resistance to compaction where the extinguisher is installed
in a location subjected to vibration and are safe and effective
for use on Class A, B, and C fires under BS EN 3 :
1996 classification of fires.