Novec 1230 is a synthetic chemical extinguisher, a fluorinated ketone, stored in liquid form and released as gas (a propellant is required for extinguishing fires). Since it does not contain water (“waterless”), it is also known under the name of “water without water” or “dry water”. Novec extinguishes fire by cooling, and it does so by removing the free radicals or heat in the combustion triangle (oxygen, heat, fuel). Together with air, it forms a gas mixture, which has a much higher heat capacity than air alone, and with each one-degree-Celsius-increase in temperature that Novec is exposed to, it absorbs more energy. It is important that extinguishing with Novec does not reduce the concentration of oxygen in the room, thereby preventing the possibility of suffocation.

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Advantages of Novec 1230

The miraculous molecule Novec 1230 CF3CF2C(O)CF(CF 3)2

The miraculous molecule Novec 1230 CF3CF2C(O)CF(CF 3)2

The advantage of the Novec 1230 extinguisher is that a relatively small concentration is sufficient for fire extinguishing to be successful which also means a small amount of the stored extinguisher. If we compare the amount of different extinguishers required to successfully extinguish a fire (a typical extinguishing system – class B), then one cylinder of Halon 1301 (which is being abandoned because of its adverse impact on the environment) corresponds to two cylinders of Novec 1230, nine cylinders of carbon dioxide and fifteen cylinders of inert gas.

Environmentally friendly, relentless to fire

Novec 1230 is non-conductive and can be used for extinguishing all forms of devices and assemblies that have voltage and where the use of other extinguishers would cause a short circuit and thus uncontrolled destruction of equipment. In comparison to its synthetic “rivals”, Novec also has numerous atmospheric advantages. It is listed among the so-called green gases and it does not threaten the ozone layer.

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Safe, stable, efficient

Today, Novec is the safest extinguisher for use in permanently occupied rooms. The transportation and handling of Novec is simple, because it is in liquid state at room temperature and is not filled under pressure which is also an advantage over other extinguishing systems. For this reason, it is easy to transport it by land, water or air. Just the force of gravity is thus enough for handling, filling and refilling. Novec is a stable, environmentally friendly, sustainable and long term solution that meets not only today’s standards but also the environmental standards of the future.

Air planes, archives, art galleries, libraries, computer centres

There are only a few areas where the Novec 1230 extinguisher proves to be the best choice. The use of Novec could roughly be divided into four areas: protection of high-value premises where there are usually people around; applications where the use of other extinguishers could prove problematic and could cause damage; applications where the storage space for extinguishers is very limited (for example on air planes) and all other applications that require the extinguisher to be non-conductive.

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Components of the Novec extinguishing system

Extinguishing systems obviously differ from each other; the choice depends on the type of combustible material, room use, size, shape and geometry, but there are certain components and their interrelationships which are common to all.

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Fire extinguishing system with a gas extinguisher

A fire-fighting system with a gas extinguisher

A fire-fighting system with a gas extinguisher

Fire nozzles in the room are connected to the extinguisher supply (with cylinders) via mechanical installations and additional intermediate elements. To effectively connect the system components and to perform mechanical installations the following is required: coupling elements, a pressure gauge (can be more than one), a low pressure control switch, an electric and manual trigger. If the extinguisher is contained in several cylinders, one cylinder is the main cylinder (primary), while the others are subordinate to it (secondary). Such a layout (“master-slave”) and the manner of cylinder discharge includes pneumatic triggers, a valve activation control, a release display, an activating tube (which connects the valves of all cylinders), a discharge pressure switch and a return-shut-off valve.

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Extinguishing before ignition

The basic principle of extinguishing with Novec (as well as other gas extinguishers) is that it is initiated as soon as there is the slightest suspicion of ignition. There are two reasons for this:

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If an extinguishing event takes place and the extinguisher is released, it is important that the system returns to its original state as soon as possible. This can only be provided by companies / distributors that have their own bottling plant with a supply of the extinguisher and a very fast response time.

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