2024 Author: Beatrice Philips | [email protected]. Last modified: 2023-12-16 05:33
The use of self-rescuers GDZK can be extremely useful. But first you need to thoroughly study the features of these protective equipment. It is also worth familiarizing yourself with the key modifications and the requirements for their use.
Device and application
Professional self-rescuer GDZK (or gas and smoke protection kit) is designed to provide cover for the respiratory tract and eyes during evacuation from fires. The device can be used in private houses, high-rise buildings, industrial enterprises, the subway system and other underground communications. In addition to protecting against fire, GDZK is allowed to be used to eliminate the consequences of industrial accidents with the release of toxic substances.
Normal life support of the body is guaranteed even when the oxygen concentration in the ambient air drops to 17%.
The manufacturer of the GDZK is the Pozhbezopasnost-Yug company . The fire-resistant hood is connected to a filter-absorbing box and valves responsible for inhalation and exhalation. The glass is dimensioned to guarantee maximum visibility.
The design is designed for use:
- adults and adolescents from 12 years old;
- glasses wearers;
- people with long hair, mustaches and beards.
Specifications
The gas and smoke protection kit fully lives up to its name. Even in direct contact with an open flame, durability is guaranteed for at least 5 seconds . But provided that the temperature does not exceed 850 degrees. At the same time, protection against toxic combustion products and harmful substances, even heated to high temperatures, is maintained. If the GDZK self-rescuer is exposed to temperatures up to 200 degrees, then it will retain its protective capabilities for 50 seconds.
The designers have achieved full compliance with the standards of GOST 2005 and the provisions of the Customs Union TR.
Successful isolation of the human body from corrosive smoke and other substances is guaranteed that pose a threat to life and health in a fire. Among other things, exposure is prevented:
- ammonia;
- organic fluorine compounds;
- hydrogen chloride;
- pure chlorine;
- benzene;
- a number of other toxic compounds.
Bottom mask is complemented cuff increased elasticity. It fits snugly to the body. Hood hides a rubber half mask, inside which the filter cartridge is fixed. This cartridge completed with an air intake valve. Availability required communication system . Headband adjustable to individual sizes.
Useful properties are maintained over the entire temperature range from -30 to +50 degrees for ½ hour. Based on the results of testing, the following operating and protection times were declared:
- from carbon monoxide and hydrogen chloride - at least 30 minutes;
- from hydrogen cyanide and acrolein - 30 minutes;
- from cyanogen chloride (concentration 5 mg per 1 cubic meter) - 15 minutes;
- from hydrogen cyanide at a concentration of 0.44 mg per 1 cu. dm - 15 minutes;
- from organophosphorus toxic substances at a concentration of up to 0.05 mg per 1 cu. dm - also at least 15 minutes.
In addition, protection is guaranteed for 15 minutes at low concentrations:
- chlorine;
- hydrogen sulfide;
- sulfur dioxide;
- ammonia;
- isobutane;
- nitric oxide;
- mercury vapor.
Modifications
A fairly widespread version is set GDZK-U.
Such a device is suitable for evacuating people from public places during a fire, during a man-made accident and during smoke.
Supported protection against gaseous toxins , formed during the combustion of various substances. You can also insure yourself against:
- organic poisons boiling at temperatures over 65 degrees;
- inorganic toxins (chlorine and hydrogen sulfide);
- acidic synthesized poisons (sulfur dioxide and hydrogen fluoride);
- chemical warfare agents such as phosgene and cyanogen chloride;
- ammonia;
- carbon monoxide;
- toxic nitrogen oxides;
- dust suspensions;
- smoke and fog.
You can also use and apparatus GDZK-EN . This protective modification will help save not only the respiratory system and eyes, but also the scalp and neck. The product differs from the previous version in that it is designed for children aged 10 years. Likewise, use is guaranteed by people with beards and long hair. The only negative property is disposable character . However, this is a generic feature of all such models.
Terms of use
A self-rescuer must be installed in any building above 5 floors . Such devices should be available in all hotel rooms, but it is useful to use them at home as well. If an extreme situation arises, you need to quickly (but carefully) remove the mask from the package. Hands are inserted into the inner cavity of the mask, and then stretched and put on the head.
Be sure to check that filtration unit turned out to be exactly opposite the nose. Hair needs to be tucked into the collar. They also check the tightness of the hood. If necessary, adjust the position of the mask using straps or an elastic band. It is important to remember that it is categorically impossible to stay in the room beyond the time allotted for safe evacuation . Any delay can be fatal.
The device has a shelf life of 5 years . But it is guaranteed only with proper observance of storage standards. Only dry rooms are suitable for him, the temperature in which does not fall below 0 and does not rise above 30 degrees. If the mask is mechanically damaged, it cannot be used, it can only be disposed of. Otherwise, it is sufficient to follow the current manufacturer's instructions.
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