What are the different class of fire extinguishers?

What are the 5 different types of fire extinguishers?

When it comes to the types of fire extinguishers, there are five main types including wet chemical, CO2, dry powder, foam and water. In order to meet the current regulations, it is important for you to have the exact type of fire extinguisher that is needed for your premises.

What are the classes of fire and their extinguishers?

Fire Extinguisher Types

Class of Fire Description
Class A Fires Fires in ordinary combustible materials, such as wood, cloth, paper, rubber, and many plastics.
Class B Fires Fires in flammable liquids, combustible liquids, petroleum greases, tars, oils, oil-based paints, solvents, lacquers, alcohols, and flammable gases.

What are the different classes of fires?

Classes of fire

  • Class A. A class A fire is burning flammable solids as fuel. …
  • Class B. Class B fires are burning flammable liquids. …
  • Class C. Class C fires burn flammable gases. …
  • Class D. Class D fires are burning flammable metals. …
  • Electrical. Any fire involving electrical equipment is classed as an electrical fire. …
  • Class F.

What Is in a Class B fire extinguisher?

Because of this, Class A fire extinguishers use water, while Class B fire extinguishers use dry chemicals (foam or powder), such as aqueous film-forming foam, multi-purpose dry chemicals such as ammonium phosphate, and halogenated agents (such as Halon 1301 and Halon 1211) or highly pressurized carbon dioxide.

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What is in Class C fire extinguisher?

These Class C fire extinguishers may contain monoammonium phosphate, potassium bicarbonate, or potassium chloride, all of which are suitable for putting out Class C fires. Fire extinguishers of any type can only work to extinguish a fire when used properly.

What are the 6 classes of fire?

Fires are classified in six groups A, B, C, D, F and electrical:

  • Class A fires – are fires involving organic solids like paper, wood, etc.
  • Class B fires – are fires involving flammable liquids.
  • Class C fires – are fires involving flammable gasses.
  • Class D fires – are fires involving burning metals (eg aluminium swarf)

What are Class B and C fires?

Class B fires which involve flammable liquids and gases, solvents, oils, greases (excluding cooking oils/greases in depth) tars, oil-based paints and lacquers. Class C fires which involve energized electrical equipment.

What is K class fire extinguisher?

Class K fire extinguishers are more effective in extinguishing cooking fires. They use wet chemical agents with a greater firefighting and cooling effect for this type of hazard. The applicable National Fire Protection Association (NFPA) standard is NFPA 10 – Standard for Portable Fire Extinguishers.

What is D class fire?

Class D fires are those that occur from combustible metals, such as aluminum, titanium, magnesium, lithium, zirconium, sodium, and potassium. … Class D fires can cause significant damage and are not simple to put out.

What is the most common class of fire?

Class A fires are the most common of the 5 different classes of fires. They occur when common combustible materials like wood, paper, fabric, trash, and light plastics catch fire.

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What are the three types of fire extinguishers?

It’s important to understand that no single fire extinguisher can safely and effectively douse every type of fire. OSHA states, “The three most common types of fire extinguishers are: air pressurized water, CO2 (carbon dioxide), and dry chemical.” There also are wet chemical fire extinguishers.