Choosing the right crane

KonecranesSingle-girder crane with low headroom trolley up to 12.5 tonnes and normal headroom trolleys up to 40 tonnes. (Image source: Konecranes)A common misconception about overhead cranes is that double-girder cranes are perceived to be more durable and of higher quality than single-girder cranes

“Both types of overhead cranes are, however, equally durable and of the same high quality,” said Ajit Kumar, operations director of Konecranes Middle East, adding, “On the contrary, single-girder cranes can actually have plenty of advantages over double-girder cranes.”

Benefits of a single-girder crane

A single-girder crane is more compact and lighter than a double-girder crane, which makes it a preferred choice for facilities where headroom and floor space is limited. Even in situations where items have to be lifted and moved close to the building walls, a single-girder crane can have a better end approach to the building, allowing the hook to move closer to the wall. With only one girder, minimum deadweight is applied to the building foundations, allowing for more cost-effective building designs and runway constructions. On top of that, less steel is required to manufacture the girder, making it an inexpensive lifting solution for various applications and industries.

Understand various lifting needs

A single-girder crane may not, however, be the most suitable choice in every scenario. If a higher lifting capacity, height of lift or a service platform is needed, a double-girder crane might be the better option. It is always important to understand the requirements of the lifting task and the environment where it is planned that the crane will operate, to provide the best lifting equipment for the site.

According to Konecranes, its range of CXT wire rope hoist cranes is ideal in almost any industrial setting where a lifting capacity of up to 80 tonnes is required. Adaptability gives the CXT wire rope crane one of its greatest strengths – being available in every form from basic standard to high-tech advanced lifting. 

Single-girder cranes are available with low headroom trolleys up to 12.5 tonnes or normal headroom trolleys up to 40 tonnes, while CXT double-girder cranes can feature up to an 80-tonne lifting capacity.

Safety is improved through high-performance brakes, durable wire ropes and remote operation. The adaptive speed range means that loads move at an optimal rate, enhancing control over the load and improving productivity, yet still saving energy.

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