The explosion-proof performance of all motors and electrical appliances of QB type explosion-proof bridge crane complies with GB3836.2-2000 "Electrical Equipment for Explosive Gas Environments Part 2: Explosion proof Type" d "", and the overall performance complies with the provisions of JB/T5897-2006 "Explosion proof Bridge Crane" standard. It has been inspected and qualified by the national designated explosion-proof product inspection unit and has obtained the "Explosion proof Certificate". The explosion-proof signs are ExdII BT4 Exd II CT4。

This product is suitable for use in factories where the explosion-proof capability is not higher than Class IIB or Class IIC, and the ignition temperature group is not lower than Group T4 for flammable gases or vapors that form explosive gas mixtures with air. The applicable hazardous areas are Zone 1 or Zone 2 (see GB3836.1-2000 for details).

This product is generally operated on the ground, and can also be operated in the driver's cab according to user needs. The job level is intermediate.