Explosion-proof Hoist Double Girder Crane is one kind of double girder bridge cranes; the bridge structure is the same with standard double girder bridge crane. The crane use frequency is general, so it is with high cost performance using explosion-proof electric hoist trolley as lifting mechanism. Compared with explosion-proof single girder crane, this crane is with higher safety performance, more solid and stable structure. Explosion level including ExdⅡBT4 and ExdⅡCT4, applicable hazardous areas as follows: Under normal circumstances, places that explosive gas mixtures may occur. And place explosive gas mixtures that may occur occasionally for a short time only under unusual circumstances in case of equipment failure or misuse.
