... The standard lifting height is 6,9,12,18,24,30 and 36 meters,and the max lifting height can reach ... 120 metersThe lifting speed can be single-speed or double-speed or even multi-speed with frequency inverters.The ... 16,25,32,20/6.5 and 20/5 m/min by request.The normal rail gauge of the double-girder hoist is 1200 ... normal travelling speed is 20m/min, or 32,40,20/6.5 and 20/5 m/min by request.