Widely used to oil exploitation, oil refining, chemical industry, military industry, offshore oil platform, oil carrier and other hazardous environment.

·Apply to Explosive gas environment, zone1 zone 2

·Apply to flammable dust atmosphere,zone21, zone22,

·Apply to IIA IIB IIC explosive gas environment

·Apply to T1- T6 Temperature group

·Apply to oilfield, petrochemical, drilling, chemical industry and other flammable and explosive.

·Apply to outdoor place, indoor place, workshop, warehouse etc.