What are the 4 main fire extinguishers?

What are the 4 main 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.

What is a Co2 fire extinguisher?

CO2s are designed for Class B and C. (flammable liquid and electrical) fires only. Carbon dioxide extinguishes work by displacing oxygen, or taking away the oxygen element of the fire triangle. The carbon dioxide is also very cold as it comes out of the extinguisher, so it cools the fuel as well.

What are the fire extinguisher Colours?

The five fire extinguisher colours are:

• Blue – Dry Powder.
• Black – Carbon Dioxide (CO2)
• Cream – Foam.
• Red – Water (Spray and Mist)
• Yellow – Wet Chemical.

What are the steps of using a fire extinguisher?

There are four basic steps to using a fire extinguisher. Pull. Place the extinguisher on the floor. Hold it by the tank (pressure on the handle could pinch the pin). Pull the pin straight out. Aim. Start 10 feet back from the fire. Aim at the base of the fire.

How do you test a fire extinguisher?

Most fire extinguishers should have a pressure gauge with a red section and a green section. If the needle is in the green, you’re good. If your extinguishers don’t have a pressure gauge and you want to test them, press in the pin. If it pops back up, the extinguisher is pressurized.

What happens if a fire extinguisher is overcharged?

There is a gauge on most extinguishers to measure the pressure of its contents. A fire gauges extinguisher can be “overcharged” meaning the contents are under too much pressure, “discharged” meaning that there is not enough pressure to work correctly or “in the green” which means that the unit is properly charged.

What are the five types of fire extinguishers?

The five most commonly used fire extinguishers are water, foam, powder, carbon dioxide and wet chemical. There are also more specialized fire extinguishers including Halon , clean agent extinguishers FE-36 and powder extinguishers such as the class D fire extinguishers for metal fire risks and monnex powder.