Hazardous Locations - Zone 20 (Dust Explosive Areas)

Dust explosive atmospheres are locations that are hazardous due to the presence of combustible dusts. Small combustible dust particles can burn easily and rapidly; a sufficient quantity of explosive dusts can cause an explosion. Almost every industry faces dust explosion hazards - from agricultural to automotive to refining.

Zone 20 is defined as an area in which an explosive dust atmosphere, in the form of a cloud of dust in the air, is always present during normal operation. As a result, electrical or non-electrical equipment used in Zone 20 must not become a source of ignition in the form of hot surfaces or sparks under normal or even abnormal conditions
To make this easy to understand, Hazloc Directory has prepared an animation about Zone 20. In this animation we illustrate:

1) A typical dust handling plant showing a Zone 20 area comparing it to other Zone classified areas
2) Definition of a Zone 20 hazardous location
3) Protection techniques that can be used in order to be certified as compliant with safety Standards for Zone 20

If you are a product designer, or a buyer, and need an electrical device that has been certified for Zone 20, the Hazloc Directory website can help!

The Hazloc Directory is the world’s most trusted source of information about hazardous location products, manufacturers, and service providers.

Please visit our website for more details: www.hazlocdirectory.com

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