The  overall structure of foundry crane has the following forms: two girder  and two rail, four girder and four rail, and four girder and six rail,  etc. The form of two girder and two rail, four girder and four rail, are  mainly used for middle and large-tonnage foundry crane; the form of  four-girder and six-rail and two trolley is mainly used for extra  large-tonnage foundry crane.
 
                                
1.Lifting  weight:  5t,10t,16/3.2t,20/5t,32/5t,50/10t,100/32t,125/32t,125/32t,160/32t,180/50t,200/50t,225/50t,240/80t,280/80t,320/80t,
 
2.Span:10.5m-31.5m
 
3.Work duty: A7
 
4.Lifting height:12m-32m
 
5.Work temperature:-10℃~+60℃
 
6.The relative humidity is no more than 50% when the temperature is +40℃