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High quality factory use 50 ton 50/10t double hook overhead crane price
1. Double Girder Overhead Crane Introduction
Double Girder Overhead Crane is a kind of lifting equipment which is used in workshop, warehouse and yard to lift materials. Double girder bridge crane is mainly composed of bridge girder, trolley operating mechanism, trolley, electrical equipment and so on. According to the frequency of use, it can be divided into three working levels: A5, A6 and A7.
The double girder overhead crane is available in various configurations and feature the versatility required for additional requirements. For example, higher crane travel speeds, maintenance walkways, trolleys with service platforms are all features which can easily be implemented.

Lifting capacity:5-120ton
Crane span : 5-31.5m
Lifting height : 5-35m
Working grade : A4-A7
2. Double Girder Overhead Crane Description
Technical parameters of QB type explosion-proof double girder overhead crane:
| Type | Double girder overhead crane |
Lifting capacity | 5 ton –120 ton |
Lifting height | 5m – 35m |
Span | 5m-31.5m |
Power supply | 380V 50Hz 3Phase or on request |
Working class | A5-A7 |
Speed | Variable Speed (standard) |
Eletric devices | Crane traveling limit switch Weight overload protection device Lifting height limit device Voltage lower protection function Phase sequence protection function, etc. |
3. Double Girder Overhead Crane Details
QD type double girder overhead crane mainly composed of metal structure(main girder, end truck), electric hoist trolley or winch trolley(lifting mechanism), traveling mechanism and electrical equipments.


4. Double Girder Overhead Crane Production Technology
Professional mafacturing shop were producing high quality overhead crane, gantry crane, electric hoist, etc on and on. From designing, producing, assembly parts, test, packing and shipping……, stict manufacring standards are followed at every step.
These are the production progress of overhead crane main girder.

These are some main components of double girder overhead crane.

This is a 20/5ton double girder overhead crane, we can design overhead crane as your request.

There are a series of strict tests begfore delivery to ensure the overhead crane quality up to standard.

5. Packing & Delivery
Electric parts and electric hoist are packed by strong plywood crate, crane steel structures packaged in plastic woven cloth.

6. Different Types of Double Girder Overhead Crane
![]() | LH double girder hoist trolley overhead crane
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![]() | QD double girder hook overhead crane
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![]() | QZ double girder grab overhead crane
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![]() | YZ double girder casting overhead crane
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7. Certificates
8. Company information
Yuantai Crane Machinery is professional logistics handling products exporter, with long history trading time having rich technical experience. We are located in Changyuan--- the crane's hometown, have passed the ISO9001 quality system certification, ISO14001 environmental management system certification and OHSAS18001 occupational health and safety management system certification of enterprise, and CE certification. our products are recommend by WTO. Yuantai always adhere to customers first,holding positive attitude to satisfy the customers' the demand.

9.FAQ
1.Is your products cuztomized?
Thanks for your question, yes.because the working condition is different, all our products are cuztomized, depending on the detail require, so if you give us more information, the accurate solution we can prepare for you.
2.What the information should i provide when i am inquiry?
Thanks for your question, the more information you provide, the accurate solution prepare for you! The information such as lifting height, lifting capacity, span, power source or other specials you provide will be much appreciated.
3.How many operation methods for my selction?
Thanks for question. The standard operation methods we provide is pendent controller with push buttons, meanwhile,we also can provide remote control with push buttons or the cabin.
4.The space of my workshop is limited, can the crane ok for me?
Thanks for your question. For low headroom workshop, we have special products. The details dimension will be designed by our engineer for you.
5.Do your side can provide lifting tools?
Thanks for your question. Yes, we can provide any kind of lifting tools such as hook, electric magnetic, grab...
NOTICE:
As this kind of crane is customized, in order to offer you most suitable design and best solution, please confirm following information when you send inquiry.
1. Lifting capacity.
2. Span length.(rail center to rail center)
3. Lifting height.(hook center to ground)
4. Have you installed the rails? Do you need us supply the rails? How long is it?
5. Power supply: Voltage.
6. Working condition: which material to lift? temprature?
7. Would be better if you have drawings of your plant.
Come to us! The best design is ready for you !
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