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Liebherr portal slewing crane to Stockholm

Liebherr has delivered a fully electrical LPS 420 portal slewing crane to Swedish energy company AB Fortum Värme, co-owned with City of Stockholm.
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Fortum Värme was searching for a reliable solution to unload bio fuel for its new combined heat and power plant in Stockholm.

The Liebherr portal slewing crane LPS 420 is installed very close to the city centre of Stockholm and hence very close to residential areas. Strict requirements relating to the noise level and also the appearance of the machine had to be fulfilled.

Furthermore, Fortum Värme defined very strict performance guarantee on the whole bio fuel supply unit, to guarantee lowest possible downtimes, because up to 190.000 households in Stockholm rely on the on the combined heating and power plant being operational at all times.

In order to comply with the requirements Liebherr delivered a fully electric driven portal slewing crane, type LPS 420. The four-rope machine has a maximum lifting capacity of up to 124t and a maximum outreach of 48m. Fitted with a 50 cu metre Verstegen grab and Liebherr’s hybrid drive system Pactronic, the LPS 420 is able to efficiently unload up to 2.240 cu metres bulk per hour.

“We have the highest demands regarding quality for all equipment suppliers for our combined bio power and heating plant. The crane is going to be used for many years to come, and therefore it feels satisfying that the crane is delivered from one of the biggest suppliers at the market, who has many years of experience for this type of equipment,” said Mats Strömberg, head project leader for Fortum Värme’s new bio power and heating plant.

A special feature of the crane is the elevator, which provides easy access for the crane operator. The elevator was manufactured by Sweden-based Alimak, which installed the elevator in close cooperation with Liebherr engineers.

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