Tower Crane (QTZ25)

Performance parameters Table Maximum rated torque(KN. M): 250 Maximum lifting (t): 2.5 Maximum working amplitude (m): 2.5-35(30) Idependent Hoisting height(m): 25 Attached Hoisting height (m): 60 Payload capacity at maximum amplitude(t): 0.6 0.8 Hoisting speed (m/min) a=2 27/13.5 Hoisting speed (m/min) a=4 27/13.5 Radius changing speed (m/min): 20 Swiveling speed (r/min): 0.74 Raising speed (m/min): 0.6 Dead load (t): 26/18 22/15 Top boom of lifting beam: Φ 76× 4.5 20 Standard knot dimensions (mm): 1494× 1494× 2200 Matching motor: Two speeds Materials of main limb of tower body: 125× 10 100× 10 Q235B Parallel height of lifting beam (mm): 1040