Fire extinguisher OP 4: specifications, application

There are a large number of types and modifications of fire extinguishers designed to extinguish a variety of fires, the fires of which may be combustible materials, chemical reactions, etc.

Powder fire extinguisher OP 4 is used to extinguish the fire with the ignition of various combustible materials, liquids, as well as in fires associated with electricity, whose voltage reaches 1000 V.

This type of fire extinguisher is the most common method of extinguishing class A, B, C fires. It is also used for extinguishing and other fires due to its simple design and high reliability of operation. But you can not use it to extinguish such materials that can burn without air. Fire extinguisher OP 4 consists of a balloon, painted in red and containing a powder inside, and also a shut-off device.

What are the benefits?

Because of its simplicity, this fire extinguisher is used both at home and in offices, industrial plants. Fire extinguisher OP 4 has a fairly compact size, which makes it convenient to place it in absolutely all working and living quarters.

Also, the undoubted advantage will be its low cost. Simple production technology, elementary construction and quick assembly allow mass production of such fire extinguishers, which favorably affects their price.

Main characteristics

Fire extinguisher OP 4 carries a charge of a powder weighing 4 kg. This allows for 10 seconds to actively extinguish the fire area of 2.8 square meters. M. Thanks to a good working pressure of 1.6 MPa, the length of the jet can reach 3 meters.

Fully loaded fire extinguisher weighs 6.5 kg. The advantage is that in case of non-use it must be recharged once in 5 years. That is, there is no need to constantly worry about the technical state of the extinguishing agent. But not everyone does it on time, which sometimes has rather sad consequences.

In addition, the fire extinguisher powder OP 4 can be stored and used in the temperature range from -45 to +50 degrees Celsius, which makes it a universal tool for extinguishing small fires in almost all conditions.

Differences from other modifications of powder fire extinguishers OP

Powder fire extinguishers can be found almost everywhere. In this case, the fire extinguisher OP 4, whose 3rd modification loses due to the duration of active extinguishing, has become the most popular tool for ensuring fire safety.

For example, if you take the overall dimensions, then it is more compact in comparison with OP 5 and OP 8. But, accordingly, it has less extinguishing agent, although for the duration of quenching, OP 4 does not lose any OP 5.

This fire extinguisher is less than twice as heavy as OP 2, which weighs 3.5 kg. Also, it is almost twice as light as OP 8, whose weight is 12.0-12.6 kg. Given its ability to extinguish fires, this mass is optimal for the use of OP 4 in any office.

How to use it?

In principle, there is nothing easier than learning how to use a similar fire extinguisher. First you need to break the seal. After that, you need to remove the check, which protects the fire extinguisher from accidental triggering. Then you should go to the fire, set the bell on it and press the lever.

At enterprises, there should be constant checks of how fire safety and other personnel are able to use fire extinguishers, which is very important, since many lives can depend on this.

Do not treat the fire extinguisher as a means of excessive safety, because once you put out a small fire, you can prevent a big catastrophe.