The industry standard for heavy duty lifting, double girder cranes are often seen in warehouses, workshops, factories, steel mills, railways, ports, and mining sites - a common sight in industrial and transport operations where a dedicated heavy lifting function is required.
Depending on the configuration and construction materials used, double girder cranes have a load capacity between 2,000kg to 200,000kg or more, and are designed as a custom overhead gantry crane system from the ground up.
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Similar to their single girder crane system cousins, double girder cranes are often utilised to safely and efficiently transport heavy goods and materials such as steel, industrial machinery, shipping containers, and train and railway components.
Double girder cranes can be found throughout the heavy industry and transport sector, with operators including:
The dual or double girder crane is a precisely engineered overhead gantry crane lifting instrument with a three-dimensional construction to provide the most height possible by lifting from the bridge profile, located between the track profiles, maximising the hoist height and work space. With a double girder crane, the clearance height is increased compared to a single girder crane, as the hoist can run on top of the girders.
By giving you more room to manoeuvre within, a double girder crane provides greater safety for personnel and transported goods, and increases the efficiency of your material handling operation.
Double girder cranes differ from their single girder crane counterparts in that they feature two girders in their configuration. These girders are metal beams from which the central lifting point of the crane (the hoist head) runs.
The girders used on such double girder crane systems are generally “I” profile beams, typically straight in their design with a distinctive “I” style construction. Girder beams can be reinforced throughout or at points to accommodate different loads and crane arrangements.
The key advantages of a dual or double girder crane system are:
The double girder setup typically offers greater lifting capability at the trade-off of higher material and freight cost, design complexity and additional challenges around installation compared to a single girder crane.
Double girder cranes can play an important role in many material handling operations, but, as with all heavy machinery, care must be taken to ensure that the proposed usage meets the appropriate application and does not exceed technical limitations.
The team at Stratalign are the single and double girder crane experts. Our knowledgeable team of problem solvers can help you to choose the correct double girder crane setup for your needs, improving the efficiency and safety of your material handling operation by ensuring you have the "right tool for the job".
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