Product Details

High quality building tower crane QTZ40 for sale with CE/ISO certification

Product Description

Advantages of product:

1. Use qualified 16Mn and Q235B steel from domestic famous manufacturers, such as Bao steel.

2. Use high-strength wire in the welding process. Main joints use special steel and special process.

3. Electric devices are from international well-known manufacturers, such as Schneider, Omron.

4. Motor and deceleration devices use domestic famous manufacturers' products, eg: Shanghai, Jiangxi Special Electric Motor Co., Ltd.,Tianjin etc, to ensure the long life.

5. The machine is 3-5 tons heavier than the same type of tower cranes in other manufacturers.

Technical Parameters:

Model	QTZ40(4708)	QTZ40(4510)
Jib Length (M)	47	45
Free Height (M)	32.5 (12 mast sections)	32.5 (12 mast sections)
Max. Possible Height (M)	135	135
Max. Load (T)	4	4
Tip Load (T)	0.8	1.0
Wall-attached Devices for Max Height (sets)	6	6
Main Material (mm)	Section160×160×12	Section160×160×12
Mast Section Dimension (m)	1.5×1.5 ×2.5	1.5×1.5 ×2.5
Hoisting Speed (a=2) (m/min)	70/35/9	70/35/9
Min. Stable Falling Speed (m/min)	4.5	4.5
Slewing Speed (r/min)	0-0.7	0-0.7
Radius-changing Speed (m/min)	21.6/43.2	21.6/43.2
Jacking-up speed (m/min)	0.5	0.5
Total motor Power (kw)	24.8	24.8
Power Supply	380V/50HZ	380V/50HZ
Weight of Independent Structure (T)	24.54	24.54
Counterweight (T)	8.11	8.11
Base Form	Embedded Type	Embedded Type

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