Double-girder overhead crane QB

explosion-proof

QB explosion-proof bridge crane 1. The explosion-proof performance of all motors and electrical appliances of the QB type explosion-proof hook bridge crane complies with GB3836.2-2000 "Explosion-proof electrical equipment for explosive gas environments - Part 2: Explosion-proof type "d"", The performance of the whole machine complies with the JB/T5897-2006 "Explosion-proof Bridge Crane" standard. It has obtained the "Explosion-proof Certificate" after passing the inspection contract with the nationally designated explosion-proof product inspection unit. The explosion-proof marks are ExdⅡBT4 and ExdⅡCT4 respectively. 2. This product is suitable for use in factories where the explosive propagation capacity is not higher than level IIB or IIC, and the ignition temperature group is T1-T4 group of flammable gas or explosive gas mixture formed by steam and air. It is suitable for hazardous areas. Zone 1 or Zone 2 (see GB3836.2-2000 for details). 3. The working level of this product is intermediate.