What Is a Class 1 Division 2 Environment

Class 1 Hazardous Locations refer to facilities which deal with flammable gases, vapors, and liquids. Division 2 specifies that these flammable materials are handled, processed, or used in the defined hazardous location, but are not normally present in concentrations high enough to be ignitable.

What is a Class 1 Division 2 area?

Class I, Division 2 or Zone 2 classified locations. An area where ignitable concentrations of flammable gases, vapors or liquids are not likely to exist under normal operating conditions. In this area the gas, vapor or liquids would only be present under abnormal conditions (most often leaks under abnormal conditions).

What is a Class 1 Div 1 enclosure?

The Classes or type of material is further separated into Divisions based on the risk of fire or explosion that the material poses. Class I locations are those in which flammable “gases or vapors” are, or may be, present in the air in quantities sufficient to produce explosive or ignitable mixtures.