Powder fire extinguishers are not effective on any fire

22/09/2022

So we ask which fire extinguishers are not effective? it is a class F fire, a fire in an enclosed space, a fire involving 1000V . electrical equipment

So that you can find out which fires powder fire extinguishers are not effective on? Please join us for reference after this article.

Bình chữa cháy bột không hiệu quả với đám cháy nào

1. Class F fire - A fire caused by burning cooking oil and fat

- These fires occur when the aforementioned oils or fats reach their flash point

- in this case, the flash point is about 315 degrees Celsius

- At 340 degrees Celsius, cooking oils and fats are autocombustible - meaning they can ignite without the need for a flame or other ignition.

- These fires can be extremely dangerous and can spread quickly.

- To extinguish class F fires, we need to be equipped with a wet chemical fire extinguisher - All other types of fire extinguishers are not suitable for these types of fires.

2. Limited space

- Confined spaces can be permanent workspaces or temporary construction sites where chemical work, welding and flame cutting take place.

- Either way, additional risks posed by confined working spaces include.

+ Lack of oxygen

+ Too much oxygen

+ Flammables and explosives

+ Gas pollution

+ Excessive temperature

3. Fire extinguishers should be avoided in confined spaces

- Co2 fire extinguisher

- Powder fire extinguisher

- Halcon fire extinguisher 4. Fire extinguishers can be used in confined spaces

+ Water fire extinguisher

+ Foam fire extinguisher In summary, at this point you can imagine part of the article on which fires powder fire extinguishers are not effective? then right?