Importance of Liquid Nitrogen for Fire Extinguishers

Fires are undoubtedly one of the least desired events, because of the risk it poses to life and the material good to which it destroys. Therefore, it is always advisable to have in a visible place and at hand an extinguisher, which allows to extinguish the fire before it spreads. Extinction occurs if one of the components supporting the chemical reaction that sustains the flame is removed:

  • Fuel, can be any material in solid, liquid or gaseous state
  • The oxygen in the air
  • The heat source
  • Chemical reaction

In this sense, fire extinguishers are designed to quickly supply a constant flow of a substance that can interrupt one of the four components mentioned above. In general, there are different types of fires for which a specific fire extinguisher can be used: for example, it is not the same to extinguish a burnt oil in a fryer as an electronic equipment. Therefore, it will be briefly described what the fire extinguishers are and how nitrogen is important in their operation.

What are fire extinguishers?

A fire extinguisher is portable equipment designed to extinguish fire when it is starting. They generally consist of a container of variable size containing a fire extinguishing substance inside which can be liquid, in the form of foam or powder, which can be projected in a directed way onto the flame, in order to extinguish it in its initial phase.

Fire extinguishers are the most appropriate means of responding to a fire outbreak and their effective use can, in many cases, prevent the spread of fire and, consequently, most fires. There are several types of fire extinguishers that meet the following criteria:

  • Depending on the mobility of the container
  • According to the pressurization system used
  • According to the extinguishing agent contained

How are fire extinguishers made up?

To indicate the importance of liquid nitrogen in fire extinguishers, the composition of an extinguisher should be described. The most obvious of these devices is the red cylinder found in houses, buildings and vehicles. These cylinders have safety features attached to them so that the contents do not empty incidentally; they also have a hose or nozzle to guide the flow of the extinguishing agent, and in some a small external pressurization tank is observed that propels the extinguishing agent (others have it inside). The other components you want to comment on are:

  • Fire extinguishing agent: a substance which has the effect of extinguishing fire. The most common are water, chemical dust, carbon dioxide, foam, among others.
  • Pressurization system: means by which the extinguishing agent is propelled to the outside. Extinguishing agents do not require it, such as carbon dioxide. In other cases, air is used, or better yet nitrogen.

In this case, the use of nitrogen is important because it acts as a propellant system, and not only helps with the application of the extinguishing agent, but also because it is an inert gas it also contributes to the extinguishing of the fire, whose application alone will be explained in the next section. In addition, it is a safe and economical gas

Why use Kalstein nitrogen tanks?

Nitrogen tanks have a key application, which is to keep liquid nitrogen in proper conditions until use. In this case, the nitrogen tanks of the manufacturer Kalstein, which can be consulted in the following link https://www.kalstein.es/categoria-producto/linea-de-laboratorio/tanques-de-nitrogeno/ allow to store the nitrogen to be incorporated in the fire extinguishers when they are charged. These tanks, besides being lightweight and resistant because of the aluminum from which they are made, are efficient in thermal insulation, which makes leakage losses minimal. In the previous link, or in the company’s main HERE you can consult price, quote or make purchase, or know all the technical specifications you need.

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