Description: The product is designed, produced and tested according to GB3836.1 - 3-2000 "Explosion proof electric equipment in Explosion gas environment". It is suitable for dangerous explosion gas environment: Area NO. 1. And Area NO. 2. The explosion gas is Class IIA, IIB, and IIC. The environment group is in the temperature: T1-T6. The material is stainless steel, so it is safe, reliable and anti- explodes.