Water fire extinguishers are for Class A fires only – they should not be used on Class B or C fires. The discharge stream could spread the flammable liquid in a Class B fire or could create a shock hazard on a Class C fire.
Water based fire extinguishers are efficient against Class A fires involving paper, textiles, wood, plastics and rubber. Water works to extinguish a fire by simply cooling it below the ignition point, however large amounts of water can also reduce oxygen.
This type of extinguisher does not contain harmful chemicals but has a low fire fighting rating. Water fire extinguishers are usually heavy in size. Water fire extinguisher are mostly free of harmful substances, they are especially suitable in households where children have access to the extinguishers and an accidental discharge is possible.
Water fire extinguisher is red in colour, which holds nine litres of water under pressure and is to be used in the upright position.
Water fire extinguisher types and Technical Specifications (An Example)
|Dimensions ( W * H )||185 x 600mm|
|Pressure Test||5 Yearly|
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