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double girder bridge crane

1.Double girder overhead  crane is is a commonly used heavy duty bridge crane.
2.It consists of four major components.Two strong steel girders;Crane electric trolley, as a lifting and  mechanism;Crane cab, all movement completed in the cab;Electrical control system.
3.The lifting capacity is from 5t to 500t, span is 10.5~31.5m,work enviorment is -10°C to 40°C，working duties are A5-A6. 
4.This product has such features as tight dimension, light dead weight and light wheel load. 
5.They are applicable to be the transfer, assembly, check and repair as well as load and unload at mechanic processing workshop, subsidiary workshop of metallurgical mills, warehouses, goods yard and power station. 
6.According to user requirements, it can be: overhead crane with hook, overhead crane with grab, overhead crane with magnet and so on.