Bridge Cranes come in a multitude of various options listed below:
Single Girder Top Running
Single Girder Under-Running
Double Girder Top Running
Double Girder Under-Running
Single Girder Bridge Cranes utilize one beam on which its lifting device runs, whereas Double Girder Bridge Cranes utilize two. Both of these can be used in Top Running applications where the lifting beam runs above the runway tracks or Under-Running where the lifting beam profiles below the runway.