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Tower crane, AC contactor,thermorl protector:Schneider, Welding section:robot welding, Steel structure parts:impeller blasting - details see: https://www.machineto.com/12t-16t-topkit-tower-crane-qtz250-7030-10103905

QTZ250(7030) Tower crane

1. Technical data:

Max.Load: 12t/16t

Jib length: 70m

Freestanding height: 50m

Derricking: 15/38/58 m/min

Slewing: 0-0.7 r/min

Traveling: m/min: 12.5/25 m/min

Jacking: 0.45 m/min

Mains: 380v/50hz

Mast sections adopt split structure, convenient for transportation and storage, save the long distance freight. The main chord of mast section adopts Q345B material, fine adaptability to environment.The mechanism adopt foreign advanced technical products,reliable in performance.

2. 1).Mast sections adopt split structure,convenient for transportation and storage,save the long distance freight.

2).The main chord of mast section adopts Q345B material,fine adaptability to environment.

3).The mechanism adopt foreign advanced technical products,reliable in performance.

3. Load Diagram:

Jib (m)	Fall	R(Cmax) m	C(max) t	25	30	35	40	45	50	55	60	65	70
70	IV	20.4	12.0	9.41	7.51	6.30	5.70	4.95	4.34	3.85	3.44	3.09	2.80
	II	39.5	6.00	6.00	6.00	6.00	5.90	5.15	4.54	4.05	3.64	3.29	3.00
65	IV	20.09	12.0	9.69	7.74	6.37	6.00	5.10	4.48	3.97	3.55	3.20
	II	40.5	6.00	6.00	6.00	6.00	6.00	5.30	4.68	4.17	3.75	3.40
60	IV	21.2	12.0	9.80	7.83	6.45	6.00	5.16	4.53	4.02	3.60
	II	40.9	6.00	6.00	6.00	6.00	6.00	5.36	4.73	4.22	3.80
55	IV	22.2	12.0	10.42	8.35	6.89	6.00	5.50	4.84	4.30
	II	42.0	6.00	6.00	6.00	6.00	6.00	5.70	5.04	4.50
50	IV	23.1	12.0	10.95	8.79	7.27	6.00	5.70	5.10
	II	44.9	6.00	6.00	6.00	6.00	6.00	5.90	5.30