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

2. This product is suitable for places in factories where the explosive transmission capacity is not higher than Class IIB or IIC, and the ignition temperature group is T1-T4, which is a combustible gas or an explosive gas mixture formed by steam and air. It is suitable for hazardous areas in Zone 1 or Zone 2 (see GB3836.2-2000 for details).

3. The working level of this product is intermediate.