Explosion-proof LED lamps are designed to be used in hazardous areas, where the presence of flammable gases, vapors, or dust can cause explosions or fires. These lamps are specially designed to prevent the ignition of such hazardous materials and are classified into different zones based on the level of risk.
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The Zone System is a method of classification for hazardous areas, which is widely used in the industry. The system is based on three zones, namely Zone 0, Zone 1, and Zone 2, each representing a different level of risk.
Explosion-proof LED lamps of the zone system are designed to meet the requirements of these hazardous areas. They are constructed with materials that prevent sparks or flames from igniting explosive gases or vapors. Additionally, they are designed to be shock and vibration-resistant to prevent accidental damage.
In summary, explosion-proof LED lamps of the zone system are designed to provide safe lighting solutions for hazardous areas. They are classified into different zones based on the level of risk, and each zone requires different levels of protection. These lamps are essential for ensuring the safety of workers and preventing explosions or fires in these hazardous areas.
In addition to the three zones (Zone 0, Zone 1, and Zone 2) of the Zone System for hazardous areas, there are also two additional zones, Zone 21 and Zone 22, which are related to the presence of combustible dust.
Zone 21 is an area where combustible dust is likely to be present in the air during normal operating conditions. In this zone, explosion-proof equipment with a higher level of protection is required.
Zone 22 is an area where combustible dust is not likely to be present in the air during normal operating conditions. However, if it does occur, it will be for a short period of time. In this zone, explosion-proof equipment with a lower level of protection is required.
Explosion-proof LED lamps of the zone system are designed to meet the requirements of all five zones. They are designed with materials that prevent sparks or flames from igniting hazardous gases, vapors, or combustible dust. These lamps are constructed with robust housing that is resistant to impact, vibration, and corrosion. They are also designed with specialized heat dissipation systems that prevent the buildup of heat, which can be a source of ignition.
In summary, explosion-proof LED lamps of the zone system are classified into five zones (Zone 0, Zone 1, Zone 2, Zone 21, and Zone 22) based on the level of risk posed by the presence of hazardous materials. These lamps are essential for providing safe lighting solutions for hazardous areas and are designed to meet the strict safety requirements of each zone.
The Zone System is a method of classification for hazardous areas that are used in both the IECEx and ATEX certification schemes. However, there are some differences between the two systems.
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The IECEx certification scheme is an international standard for equipment intended for use in explosive atmospheres. The Zone System used in the IECEx scheme is based on three zones, namely Zone 0, Zone 1, and Zone 2, which are the same as the zones used in the ATEX scheme.
However, the IECEx scheme has some additional requirements, such as the use of "Ex ia" (intrinsic safety) protection method for Zone 0 equipment, which is not required by the ATEX scheme. Additionally, the IECEx scheme requires that equipment be tested and certified by a recognized third-party certification body, while the ATEX scheme allows manufacturers to self-certify their equipment.
Another difference between the two schemes is that the IECEx scheme is accepted in a larger number of countries around the world, while the ATEX scheme is primarily used in Europe.
In summary, both the IECEx and ATEX certification schemes use the Zone System for hazardous area classification. However, the IECEx scheme has some additional requirements and is more widely recognized internationally, while the ATEX scheme is primarily used in Europe.
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THE DIFFERENCE BETWEEN THE MENTIONED ZONES CAN BE DESCRIBED LIKE THIS:
Zone 1 is an area that is classified &#;as a place in which an explosive atmosphere consisting of a mixture with air or flammable substances in the form of gas, vapours and mists is likely to occur occasionally during normal operation&#;, whereas Zone 2 is an area that is classified &#;as a place in which an explosive atmosphere consisting of a mixture with air or flammable substances in the form of gas, vapours and mists is not likely to occur in normal operation but if it does occur, it will be present for a short period of time only&#;
ZONE 0. ZONE 1. ZONE 2.
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