How do powder fire extinguishers work

Water fire extinguishers work by pressurised water cooling the burning material. To use them safely, direct the jet at the base of the flame and keep it moving across the area of the fire. Watch out for hot spots that could still exist after the main fire appears to be extinguished. Make sure fire extinguishers remain in good working order by getting them serviced by a BAFE registered engineer every year. For any other queries relating to fire extinguishers that we may not have answered, please do not hesitate to contact us via email or by using the live chat feature of our website.

Share this post. Previous Post. Next Post. Mobile Newsletter chat dots. Mobile Newsletter chat avatar. Mobile Newsletter chat subscribe. Home Improvement. Home DIY. Household Safety. How do dry chemical fire extinguishers work? Dry chemical fire extinguishers are the most common home extinguishers. A fuel - You need some sort of combustible solid, liquid or gas Oxygen to react with the fuel Heat - There must be enough heat to get the fuel above its flash point.

If there is paper on your desk right now, it is surrounded by oxygen, but it does not burn unless you get the paper hot enough. Both of these extinguishers are supplied with a mounting bracket which makes installation and use extremely easy. The larger powder extinguishers 6 or 9 Kg are ideal for larger areas or vehicles such as offices, factories, warehouses or larger trucks. ABC Powder Fire Extinguishers that are complaint to BS EN3 should have a red body and a blue label across the top with white wording "Powder", as seen in the to the left and above in the images.

Older Powder fire extinguishers were manufactured with a completely blue body. The standards were changed and any powder extinguishers with a completely blue body body no longer meet British Standards and should be replaced.

Powder fire extinguishers are often refered to as the Multi-Purpose extinguisher as they are extremelly versatile.