Brief introduction of QDY series bridge foundry crane:
QDY bridge foundry crane with hook is mainly used at the place where the molten metal is lifted.The working class of the comlete machine is A7, and thermal-protective coating is added at the bottom of the main girder. The assembling and test of the crane conform to the document NO. ZJBT[2007]375 which was issued by General Administration of Quality Supervision,Inspection and Quarantine of the People's Republic of China.The place where molten monmetal material and red-hot solid metal is lifted also can refer to this document.(note:HO in the below figure is the increased height of buffer of the crane.H0 is not more than 250).
link:http://www.chinacranemanufacturer.com/steel-mill-crane/steel-mill-overhead-crane/cab-control-high-temperature-working-steel.html