Product Description
Our products are: QTG25, QTZ25, QTZ31.5, QTZ40, QTZ50, QTZ63, QTZ80, QTZ100, QTZ125, QTZ160, QTZ250, QTZ315 series tower cranes. optimized design, featuring in advanced mechanism, uniform load bearing, good appearance, superior performance and compete, reliable safety devices.Load-lifting height:stationary is 30m.attached is 120m.Max lifting capacity is 4T.Load-lifting speed is 63/31.5/8.7m/min.Slewing speed is 0.7r/min.Derricking speed is 33/22m/min.Telescoping speed is 0.4m/min.Classis frame(m): 6*6 Standard section External size(m): 1.5*1.5*2.2（1.6*1.6*2.5） Main limb size(mm): ∠160*14 Necessary electric power(kw): 20.9 Slowest transquilization lowering speed(m/min): ≤7 Working temperature(℃): -20~ 40 Main supply(50Hz):~380V±10%
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