1.Widely used in petroleum exploration, oil refining, chemical, military and other dangerous environments and offshore oil platforms, oil tankers and other places for general lighting and lighting purposes;
2. 2 for explosive gas atmospheres;
3. Applicable to IIA, IIB, II C explosive gas atmospheres;
4. Suitable for combustible dust environment 21, 22;
5. Applicable to the protection requirements of high, humid, containing corrosive gases in places;
6. Lighting for energy-saving projects and maintenance
of replacement difficult place.