10th Oct 2020

The Fire Triangle & Sprinklers

The Fire Triangle

Triangle fire sprinklers

The Fire Triangle

The fire triangle or combustion triangle is a simple model for understanding the necessary ingredients for a fire. 
The triangle illustrates the three elements a fire needs: heat, fuel, and an oxidizing agent usually the oxygen in the air. If a fire occurs then it will rapidly spreads when these elements are all present. A fire can be prevented or extinguished by removing any one of the elements in the fire triangle.

A fire sprinkler reduces the “oxygen” part of the triangle and also controls the heat and smoke. In a building this enables occupants to escape safely, stops the fire spreading and can often totally extinguish the fire. 

Read more about the fire triangle here.

Ultrasafe – Fire Sprinkler Specialists

We design, install and service fire sprinkler systems in residential properties and private homes. We can service all makes of Fire Sprinklers.

Fire sprinklers save lives, reduce damage and enable more flexible building design. All our fire sprinklers comply with British Standard BS9251 and we have expert knowledge of the relevant building regulations and the design freedoms that they enable.

How Fire Sprinklers Work

Fire sprinklers are triggered by the air around the sprinkler head in the room reaching a certain temperature. Usually the temperature to trigger a residential sprinkler is 56oC.  Heat of 63oC is required to trigger fire sprinklers in larger warehouses where lots of heat is generated and you wouldn’t wish the sprinkler to activate accidentally.

Inside each sprinkler head is a small frangible glass bulb containing a chemical liquid. When this liquid heats up it expands and pops the glass and this sets off the sprinkler.

How Fire Sprinklers Work

How Fire Sprinklers Work

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Fire Sprinkler Specialists

Southern Office

Ultrasafe, Unit 1 Bowlings Corner, Marley Lane, Battle, East Sussex, TN33 0RE

Northern Office

U2 Farriers Court, Horsefair Green, Thorne, Doncaster, South Yorkshire, UK, DN8 5EE

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