Application
1. Can be used in hazardous environments of petroleum exploitation, smelting, chemical industry, military industry etc. Enterprise;
2. Can be used in Zone 1 and Zone 2 explosive atmosphere;
3. Can be used in explosive atmosphere of temperature between T1 and T4 of class IIA, IIB and IIC;
4. Can be used in locations which contain corrosive gas.

Main standards
GB3836.1-2000. GB3836.2-2000. GB3836.3-2000. Which are equivalent to IEC60079-0. IEC60079-1. IEC60079-7. EN50014. EN50018. EN50019.