Explosion proof double girder overhead crane with hook

Product DescriptionDouble Girder Overhead Crane With Hook Specification(explosion proof is available)1. Double girder overhead crane is widely used together with trolley.2. It is a medium and heavy size crane which travels in track.3. Its proper lifting weight is 5 to 450 tons,and proper span is 16 to 31.5 meters.4. Its proper working temperature is -20--+40 centigrade.5 .This kind of crane is composed of main beam,crane traveling organ, trolley, electric equipment.6. This