50 Ton Overhead Crane
Double girder overhead crane mainly consists of bridge, trolley travelling mechanism, crab and electrical appliances, and is divided into 2 working grades of A5 and A6 according to the use frequency. Double girder overhead crane is widely used to upload and move of normal weight in the fixed crossing space and also can work with various special-purpose hoist in special operations.
Description
Products Description

Double-girder bridge cranes are widely used in indoor and outdoor industrial and mining enterprises, steel and chemical industries, railway transportation, ports and terminals, and logistics turnover departments and places.
Why choose us
Good materials, good steel, direct supply from famous companies
Good welding technology and stable product performance
Engaged in the crane industry for many years
Products parameter
|
Item |
Unit |
Result |
|
Lifting capacity |
ton |
5-350ton |
|
lifting height |
H(m) |
1-20m |
|
Span |
m |
10.5-31.5m |
|
hoisting speed |
m/min |
5.22-12.6 |
|
trolley speed |
m/min |
17.7-78 |
|
Working grade |
A5-A6 |
|
|
Working environment temperture |
°C |
-25~40 |
|
power source |
three-phase 380V 50HZ |
Products package

1.Hoist and electric parts will be packed by plywood crate, for avoiding the demage from goods crash and impact during the delivery. 2.Girders and other main parts will be packed by plastic woven cloth, for preventing rust from soppy condition during the transportation. 3.Only the best transport solution will be taken for saving your cost uttermost on finance,security and time.
Comapny strength
Henan Dowell Crane Co., Ltd is a China-leading group of crane businesses which was founded in 1955, And serving a broad range of customers all over the world to provide a complete set of advanced lifting project, including Gantry crane, Bridge crane, Jib crane, Accessory. a). Henan Dowell Crane Co., Ltd has already obtained the CCC,CE,BV,SGS,ISO OHSAS certifications and has won over 60 honors. b). Our company offers services for more than 5000 companies, and the products are polular in more than 100countries.


1. Load capacity, ton: ( ) {Tips: 2t 3t 5t 10t 15t 20t 25t 30t 40t 50t 100t 200t}
2. Span, m: ( ) {Tips: 6m 9m 12m 15m 18m 21m 24m 30m 35m 40m}
3. Valid lifting height,m:( ) {Tips: 3m 6m 9m 12m 15m 18m 21m 24m 30m}
4. Aux hook: ( ) {Tips: need or no need}
5. Speed,m/min: ( ) {Tips: single or double speed or vfd speed can be customized}
6. Crane traveling length,m: ( ) {Tips: can be customized}
7. Industrial voltage, V: ( ) {Tips: 380v or 440v, it depends on your country}
8. Working class: ( ) {Tips: A3 A4 A5 A6 A7 A8}

Suggested crane model according to the working class:
|
Capacity, ton |
1 |
2 |
3 |
5 |
10 |
16 |
20 |
25 |
32 |
50 |
74 |
~550 |
|
Normal workshop,A3 |
{1-20t} LD single girder overhead crane |
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|
Low headroom workshop,A3 |
{1-20t}LDA single girder overhead crane |
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|
Normal workshop,A5 |
{1-20t}Euro type single girder overhead crane |
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|
Normal workshop,A4 |
{5-32t}LH double girder overhead crane |
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|
Normal workshop,A5 |
{5-550t}QD double girder overhead crane |
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|
Normal workshop,A5 |
{5-220t}Euro type double girder overhead crane |
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|
Grab model crane,A5~A8 |
{5-20t}QZ grab bucket overhead crane |
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|
Explosion proof crane,A5 |
{5-500t}QB explosion proof overhead crane |
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|
Magnet model crane,A6 |
{5-50t}QC magnet overhead crane |
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|
Steel foundry crane,A7~A8 |
{5-74t}QDY foundry casting crane |
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|
Steel foundry crane,A7~A8 |
{10/320-320/80t}YZ foundry crane |
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|
The outlook of above cranes please check following relative crane photos |
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