The range of drypowder extinguishers is certified to BS EN 3 : 1996 and manufactured under an ISO9001 approved Quality system. The cylinders are deep drawn fromcold rolled steel, centre welded and pressure tested to twice the extinguisher's working pressure.Cylinders are externally coated with epoxy polyster (withphospate under treatment) for maximum corrosion resistance and have passed the 480-hour salt spray test. The hot forged brass valve is fitted with a pressureindicator and can be tested 'in service' as required by BSEN 3 : 1996.
The range of drypowder fire extinguishers is charged with specially fluidised and siliconisedmono ammonium phosphate powder which offers resistance to compaction where theextinguisher is installed in a location subjected to vibration and are safe andeffective for use on Class A, B, and C fires under BSEN 3 : 1996 classification of fires.