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Fire extinguisher
Fire extinguishers come in different types to fight different fire classes. They have several key parts and require proper maintenance. There are three main steps to using a fire extinguisher: pull the pin, aim at the base of the fire, and squeeze the lever while sweeping from side to side. Fire extinguishers must be checked regularly and undergo more extensive servicing every 5-10 years depending on the type to ensure they are always functioning properly in emergency situations.
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Fire extinguisher
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- 2. Outline • Description • Fire Classes • Classification • Part Of Fire Extinguisher • How To Use • Maintenance
- 3. Description Fire extinguisher isan active fire protection device used to extinguish or control small fires, often in emergency situations.
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- 5. Classification 1. Water &Foam Type - Water Extinguishers are for Class A fires only but sometimes can be used for the Class B fires – they should not be used on Class C fires. - Foam Extinguishers can be used on Class A & Class B fires only. They can’t be used on Class C because of Electrical Shock Hazard.
- 6. Classification 2.Dry Powder Type Standard or Multi-Purpose Dry Powder Fire Extinguishers are safe to use on most kinds of fire, (Class A, B & C).E.g. Fires caused by petrol, oil, fat, paint, solvents, grease, propane, butane and natural gas, as well as electrical equipment.
- 7. Classification 3. Carbon DioxideType - Carbon dioxide (CO2) extinguishers contain carbon dioxide forced into its liquid state by pressure. This type of extinguisher is available in several sizes from 2.5 to 20 pounds (1.1 to 9 kilos).
- 8. Part Of FireExtinguisher
- 9. How To Use •Pull the Pin • Aim at the base of the fire • Squeeze the lever slowly • Sweep from side to side
- 10. Maintenance • Basic Service: Check weight and correct pressure. • Extended Service: Water, Wet Chemical, Foam & Powder extinguishers require every five years. • Overhaul: CO2 extinguishers, due to their high operating pressure, are subject to pressure vessel safety legislation and must be hydraulic pressure tested, inspected internally & externally and date stamped every 10 years.
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