Properties and merits of Flat Top QTZ315P(PT7528) Tower Crane:
1. Advanced manufacturing technique and quality management.
2. High working efficiency, great speed

Hoisting					Motor(KW)
		m/min	34/58/92	17/29/46	75	500m
		t	6.6/2.5	18/12/5
Trolleying		m/min	0-69		55
Slewing		R/min	0-0.7		2*9
Jacking-up		m/min	0.4		15
Power-supply	380V/50HZ  440V/60HZ
Power  capacity	117.5

Mechanism  working  grade					Hoisting  mechanism			M5
					Slewing  mechanism			M4
					Trolleying  mechanism			M4
Radius  (m)					Min.   3.5			Max.   75
Height  (m)					Freestanding			Attaching
					62			200
Max.   load  (t)					18
Hoisting  mechanism	Hoisting  speed		Falls	2					4
			Speed  (m/min)	0~70		0~35	0~20		0~35	0~20	0~10
			Load  (t)	2.5		5	10		5	10	20
	Min.   descending  speed  (m/min)			≤ 2.16
	Power  (Kw)			75
Trolleying  mechanism		Speed  (m/min)			0~60
		Power  (Kw)			7.5
Slewing  mechanism		Speed  (r/min)			0--0.8
		Power  (Kw)
Jacking  mechanism		Speed  (m/min)			0.35
		Power  (Kw)			11
		Work  pressure  (Mpa)			28
Balanced  weight		Max.   working  radius  (m)			75	70	60	50
		Weight  (t)			27.6	24.9	22.2	18.4
Total  power  (Kw)					109(including  jacking  mechanism)
Working  temperature					-20~+40