Double Girder 20ton Electric Bridge Crane
Double girder bridge crane( LH model ) has such features as tight dimensions, low building headroom, light dead weight and light wheel load. They are applicable to the transfer, assembly,check and repair as well as load and unload at mechanic processing workshop ,subsidiary workshop of metallurgical mills, warehouse,goods yard and power station.They can also instead of common double beam crane at production workshop in light textiles or food industry.
v The capacity: from 5ton to 50ton
v The span: from 7.5m to 35m
v The lifting height: 6m to 18m or according to your demand
v working grade: A3/A4.
v Working temperature: -25 to +40 centigrade.
v Hoist type: wire rope electric hoist
Schematic diagram

Main technical specification
Capacity |
5t,10t,15t,16t,20t,25t,30t,32t,40t,50t |
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Span(rail to rail center) |
7.5m~35m |
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Lifting height |
6m, 9m, 12m,18m or other height |
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Capacity |
5t |
10t |
15t, 16t |
20t, 25t |
30t, 32t |
40t, 50t |
Lifting speed(m/min) |
8, 8/0.8 |
7/0.7 |
3.5, 3.5/0.35 |
4, 4/0.4 |
3, 3/0.3 |
2, 2/0.2 |
Cross travelling speed(m/min) |
10, 20 |
10, 20 |
10, 20 |
10, 20 |
10, 20 |
10, 20 |
Long travelling speed(m/min) |
20, 30 |
20, 30 |
20, 30 |
20, 30 |
20, 30 |
20, 30 |
Duty Class |
A3/A4 |
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Power source |
380V, 50HZ, 3 phase (or other standard) |
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Working temperature |
-25~40°C |
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Control model |
Cabin control or remote control |
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Safety precautions
Ø Upward and downward limit switch for hook
Ø Low-voltage protection function
Ø Phase sequence protection function
Ø Overload protection
Ø Emergency stop protection
Ø Hook with latch
Ø Rubber buffers
Products show
Product show
Control methods
Product delivery
Customers visiting
After-sale seivice
u 14 months warranty the date of B/L
u One year quick-wear parts for free
u Professional technicians provide installation, commissioning services.
u Technical advisory for any time.
Welcome select crane and visit our factory. Our professinal engineers and technicians will serve you with all technical support.
If you are interested in our crane, please confirm the below information:
1. Capacity of crane
2. Span (the distance from rail center to rail center)
3. Lifting height (the distance from ground to hook center)
4. Industrial voltage
5. What material will you lift?
6. Crane working time per day and environment temperature
Contact way
Thanks for your brows.
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