The issue of fire safety in a car is often perceived by drivers as a formality necessary solely for successfully passing a technical inspection or communicating with traffic police officers. However, the statistics of vehicle fires are unforgiving: a spark from a short circuit or spilled gasoline can lead to fatal consequences in a matter of seconds. This is why choosing the right fire extinguishing agent is a critical task for every car owner, regardless of the make or year of the car.
The modern market offers many options, from cheap powder models to expensive aerosol cans, and understanding their effectiveness is not easy. An incorrectly selected device may be useless in an emergency or, worse, harm the health of the driver and the vehicleβs electronics. In this article, we will analyze in detail which fire extinguisher you need to carry in your car in order to be confident in your safety and pass any checks.
Regulatory requirements and GOST rules
The main document regulating the equipment of vehicles with fire extinguishing equipment in Russia is a set of rules SP 9.13130.2009. According to these standards, category B passenger cars must be equipped with a fire extinguisher with a volume of at least 2 liters for gas models or 2 kg for powder and aerosol models. However, it is worth understanding that the specified values ββare the minimum acceptable for formal compliance.
For trucks and buses, the requirements are much stricter: the minimum volume of extinguishing agent must be 5 liters or 5 kg. It is also important to pay attention to the labeling, which indicates the date of manufacture and expiration date. An expired fire extinguisher is not only useless, but can also cause a refusal to pass a technical inspection.
β οΈ Attention: storing a fire extinguisher in the car in direct sunlight or near heat sources is strictly prohibited, as this may lead to depressurization of the cylinder.
In addition, regulations require that the fire extinguisher be securely secured in an accessible location. It should not move freely around the trunk during sudden maneuvers or accidents. The optimal solution is to use special fasteners or clamps that come with high-quality models.
Powder fire extinguishers: pros and cons
The most common type of fire extinguishing agent found in most vehicles is dry powder fire extinguishers, identified by the abbreviation OP. Their popularity is due to their low cost, wide range of operating temperatures and versatility of use. The powder is capable of effectively suppressing flames of various classes, including the combustion of solids, liquids and gases.
However, powder models have significant disadvantages. When sprayed, a dense cloud of fine dust is formed, which sharply reduces visibility in a confined space in a salon or garage. This can disorient the driver and make evacuation difficult. In addition, the powder penetrates into all crevices, clogs the ventilation system and can cause corrosion of metal parts.
- π₯ Efficiency: quickly knocks down the flame, but does not completely cool the fireplace.
- ποΈ Visibility: creates a thick cloud that interferes with breathing and vision.
- βοΈ Temperature: operates at temperatures from -40 to +50 degrees Celsius.
Another problem with powder fire extinguishers is their tendency to caking. If the container is not shaken for a long time, the powder may be compressed into one lump, and the device will not work at the right time. Therefore, experts recommend checking the pressure gauge monthly and carefully turning the container over to loosen the contents.
Once every 3-4 months, remove the powder fire extinguisher from the mount, turn it over 3-5 times and shake it slightly so that the powder does not form a solid mass.
Carbon dioxide fire extinguishers: purity and effectiveness
Carbon dioxide fire extinguishers, known as Op-amp, are considered more suitable for modern electronics-rich cars. The principle of their operation is based on the displacement of oxygen from the combustion zone by a stream of liquefied carbon dioxide, which also cools the burning surfaces. There are no marks, dust or contaminants left behind after use, making them ideal for protecting your dashboard and engine bay.
The main advantage of the op-amp is the absence of a negative impact on electrical circuits and the absence of the need for complex cleaning after use. However, this type has its limitations. Carbon dioxide is ineffective against smoldering materials such as wood or fabric, since it does not interfere with the access of oxygen to the deep layers of the hearth.
| Parameter | Powder (OP) | Carbon dioxide (CO) |
|---|---|---|
| Impact on electronics | High risk of damage | Safe |
| Residual traces | Lots of dust, difficult to remove | None |
| Jet temperature | Room | Up to -70 degrees Celsius |
| Cost | Low | High |
An important nuance of using carbon dioxide fire extinguishers is the sharp cooling of the socket during operation. With prolonged spraying, the temperature of the metal socket can drop to minus 70 degrees. Direct contact of the skin of the hand with the bell during operation will lead to deep frostbite of the tissues, so you only need to hold the cylinder by the special handle provided by the design.
Aerosol products and new technologies
In recent years, compact aerosol fire extinguishers, often referred to as βrescue cans,β have appeared on the market. They are sealed containers with a volume of 0.4 to 1 liter, filled with a special fire extinguishing agent under pressure. Such devices take up minimal space and are often located in the glove compartment or under the seat.
Despite their convenience, aerosol models should be treated with caution. Many of them are not certified according to GOST for extinguishing full-fledged fires of class B (liquids) and C (gases) in large volumes. Their effectiveness is limited to the initial stages of a fire, for example, when wiring catches fire or a small spot of fuel.
Is it possible to extinguish an engine with an aerosol fire extinguisher?
Aerosol cans are only suitable for extinguishing small fires at an early stage. Extinguishing a blazing engine compartment with this method is useless and dangerous due to the small volume and low penetrating ability of the jet.
When choosing an aerosol product, be sure to check for the presence of markings of compliance with technical regulations. Cheap analogues can simply spray water or foam, which not only will not extinguish gasoline, but can also aggravate the situation by spreading the burning liquid over a larger area.
Instructions for extinguishing a fire in a car
Actions in the event of a fire must be practiced until they become automatic, since in a stressful situation there is no time to think. The first step is always to stop the vehicle immediately and turn off the engine. If a fire occurs while driving, you must turn on the hazard lights and try to park away from other cars, gas stations or wooden buildings.
After stopping, it is necessary to evacuate all passengers from the cabin to a safe distance. Only after this, if the fire has not yet engulfed the entire car, can you try to use a fire extinguisher. When opening the hood or trunk lid, be extremely careful: a sudden influx of oxygen can cause a flash of flame.
βοΈ Algorithm of actions in case of fire
The jet of extinguishing agent must be directed not at the top of the flame, but at the base of the combustion center. Movements should be smooth, covering the entire burning area. If the fire cannot be extinguished within 10-15 seconds, you must immediately move to a safe distance and call the fire brigade, as the risk of a fuel tank explosion becomes too high.
β οΈ Attention: never open the hood completely if there is smoke coming from under it or fire is visible. A sudden influx of oxygen will cause a powerful flash. Raise the hood a few centimeters and direct a stream of fire extinguisher into the gap.
Equipment storage and testing times
Proper storage of a fire extinguisher directly affects its performance. Manufacturing plants usually indicate the optimal operating temperature, which most often ranges from -40 to +50 degrees Celsius. However, keeping the cylinder in a hot trunk for a long time in the summer or freezing in the winter can negatively affect the condition of the seals and the pressure inside.
For dry powder fire extinguishers, periodic checking of the pressure with a pressure gauge is critical. The arrow should be in the green zone. If the pressure drops, the device requires recharging or replacement. Carbon dioxide fire extinguishers are checked by weighing: weight loss of more than 5-10% indicates leakage.
The optimal place to store a fire extinguisher is a special fixing bracket in the trunk, protected from direct sunlight and moisture.
The service life of fire extinguishers is also regulated. For powder models, the shelf life is usually 10 years, but with the condition of recharging every 5 years. Carbon dioxide fire extinguishers can last up to 15-20 years, provided they are regularly checked and recharged every 5 years. Ignoring these deadlines turns the cylinder into a useless piece of metal.
Can I use a fire extinguisher if it is a month past its expiration date?
Using an expired fire extinguisher is highly discouraged. The pressure in the cylinder could drop, and the chemical composition of the substance could change its properties. In a critical situation, it may simply not work. Such a fire extinguisher is also not suitable for passing technical inspection.
Why can't you extinguish gasoline with water?
Gasoline is lighter than water and does not mix with it. If you try to pour water on burning gasoline, it will sink down, and the burning liquid will float up and spread over a larger area, significantly increasing the source of the fire. Oil products can only be extinguished with powder, foam or carbon dioxide.
Do I need to carry two fire extinguishers in my car?
The law requires one fire extinguisher of appropriate size. However, having a second, compact fire extinguisher in the cabin (for example, an aerosol one) can save lives in the event that the main cylinder in the trunk is inaccessible due to fire or locked doors.