25t QTZ500(8031) Widely Used Tower Crane Made in China

China 25t large tower crane, QTZ500 tower crane, 25t self-erecting tower crane, has competitive price and excellent quality, suitable for all kinds of construction project and can work under all kinds of working conditions. It is produced by Good China tower crane manufaturers with best tower crane price.



25t QTZ500(8031) Widely Used Tower Crane Made in China


Characteristics of QTZ500--25t large Self-erecting Tower Crane

1. The using steel is 16M and Q345B which the manufacture is Shanghai Baosteel. After test for qualified, then can use.
2. Painting Process. After shot-blast cleaning, spraying anti-rust paint, then spray paint.
3. Welding process use high-strength wire. Main joints use special steel and special process.
4. Electric device. Use international well-known manufacturers' electrical products, such as Schneider, Omron.
5. Motor, deceleration devices use domestic famous manufacturers' products, eg: Shanghai, Jiangxi Special Electric Motor Co., Ltd.,Tianjin etc, to ensure the long life.
6. For cab, electrical device box, acid cleaning and parkerising, then painting, to ensure a long usage life.
7. Machine total weight is 3-5 tons heavier than the same type of tower crane in other manufacturers.
8. Each device is in strict test, then can packed to ship, to ensure that the trouble after leave the factory reduced to the minimum.
9. Reliable quality, advanced technology, favorable price, the best configuration, high safety factor, cost-effective ---the products is trust worthy, we can ensure the customers buy the products assured and use happy.

technical parameter


Model

QTZ500(8031)

Jib Length(m)

80

Free Height(m)

77

Max. Possible Height (M)

312

Max. Load (T)

25

Tip Load (T)

3.1

Wall-attached Devices for Max Height (sets)

11

Main Material (mm)

L180X180X18 Angle steel welding 

Mast Section Dimension (m)

2.45x2.45x5

Hoisting Speed (a=2) (m/min)

0-102

Mini. Stable Falling Speed (m/min)

2

Slewing Speed (r/min)

0-0.7

Radius-changing Speed (m/min)

0-100

Total Jacking-up Speed (m/min)

0.4

Total Motor Power (kw)

134

Power Supply

380V/50HZ

Weight of Indepent Structure(T)

175

Counterweight(T)

25.4

Base Form

#beam without ballast


FAQ:

Q1: What is the Warranty for tower cranes?
A1: For the tower cranes, we can supply 1 years warranty. 
If there is any quality problems of any parts (excluding easy worn spare parts) on our side during this period, we will supply the new one by free for replacement.

Q2: What is the meanning of QTZ and TC for tower crane model? And please illustrate. 
A2: QTZ is classified according to China National Standard. 
“Q” is the acronym of Crane in Chinese language(Qing Zhongji), 
“T” is the acronym of Tower head type in Chinese language(Ta Shi) and 
“Z” is the acronym of self rising in Chinese language(Zi Sheng Shi)

“TC” is the acronym of Tower Crane in English language. 

For example: QTZ63(5013) means topkit tower crane, the rated lifting moment is 630KN.M
(63 is 1/10 of the rated lifting moment). 
The working jib length is 50 meter and tip load is 1.3t when jib length is 50m.

Q3: What are the optional parts for your tower cranes?
A3: 1) Anemometer 
2) Air conditioner for operation cab
3) Black box for operation cab
4) Remote control
5) Full VFD(Variable Frenquency Drive) control 
Q4: How many types of foundation for your tower crane?
A4: the most popular types of foundation are Cross-beam type, Well-frame type, 
Base with ballast type and Outrigger type.

Our default one is Cross-beam type,
if you need other types, please let us know when you make the order. Thanks 
Q5: How to confirm a suitable tower crane model?
A6: My dear friends, please tell us the below basic parameters to confirm tower crane model:
a. Building height or tower crane working height.
b. Max load capacity and tip load capacity.
c. Span or jib length

d. Other Special requirements


Our Service 

As a professional exporter,our target is to serve worldwide clients with high-quality products, great-reliability, devoted responsibility,professional services and honorable credibility to meet customers’ requirements in all aspects. We will supply you 24 hours a day and 7 days a week after-sale services.

 If you want to know more about our products, pls contact us by email or phone. Also welcome consult us any question at your convenience, any inquiry or kind suggestions from you will be very appreciated.

 

Looking forward your kindly inquiry and hope to help your strong business in near future!

 

 


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