Explosion-proof Double Girder Crane is commonly used explosion-proof lifting equipment, with good explosion-proof performance, smooth operation, applicable to workshops, warehouses and other conditions occasions with flammable and explosive mixture, used for material handling and lifting, equipment installation and overhaul. Suitable for the following hazardous areas: places that explosive gases may or occasionally occur. Explosion-proof grade: EXdIIBT4 and EXdIICT4. Design and manufacture in strict accordance with explosion standard, with reasonable materials and adopt reasonable layout, so that the crane running smoothly without impact, each mechanism reduce collisions and avoid sparks and other dangerous situations.