According to different working environment requirements,this type overhead crane can be designed with different lifting tonnage and working strength. The lifting capacity can reach 600 tons and the working strength can be designed as ISO A3, A4, A5, A6, A7, A8 (FEM 1Am, 2M, 3M, 4M) respectively.>>>Product Description. CZPT Girder 10ton Overhead Crane has this sort of attributes as limited dimensions, lower creating headroom, mild dead weight and mild wheel load.LH solitary girder bridge crane is relevant to the transfer, assembly, check out and restore as well as load and unload at mechanic processing workshop, subsidiary workshop of metallurgical mills, Portal Shipbuilding Construction 30t Double Girder Goliath Overhead Travelling Gantry Crane,50t Box Type Gantry Crane with Electric Hoist, Outdoor Lifting Container Rail Mounted Crane についての詳細を検索 Portal Shipbuilding Construction 30t Double Girder Goliath Overhead Travelling Gantry Crane - Jun 04, 2022 · Double girder overhead cranes are generally widely used in workshops. They are usually installed on the upper end of the steel frame and travel back and forth on a specific track toplete the lifting operation. Its main weight is more than 5 tons. And it belongs to themonly used indoor lifting machinery.