Description Double girder overhead crane is composed of box type bridge frame, lifting trolley, crane traveling mechanism, and electrical system. It is rely on the bridge frame along the workshop orbital direction moving longitudinal, the trolley along the main beam direction moving transverse and the hook lifting movement to work. It could be classified into several working duties, e.g. A5, A6, A7 according to the working frequency and pure working time. Double girder overhead crane allocation hook used in machining, assembly workshop, metal workshop, metallurgy and casting workshop and warehouse handling work; allocation of grab is suitable for metallurgy, cement, chemical or open fixed span in bulk material handling. Features Reasonable structure and favorable performance. Smooth starting and stopping. Safe and reliable traveling, long life. Low noise, commodious cabin with good view. High quality automatic welding and NDT inspection. Crane drive: IP54 or IP44, level F insulation. Designed according to your required.