JS250 Jacking System
JS250 Jacking System
With a pedigree in heavy lift and specialist transport, Allelys have a range of jacking systems, including the JS250, to provide solutions across a range of sectors.
JS250 jack-up system
The JS250 is a hydraulic jack-up system designed and manufactured by Enerpac and has a capacity of 250te per tower. Multiple towers can be positioned under the load to create a multi point lifting system. A typical set up is to position four towers, one in each corner of the heavy load, to lift and lower simultaneously. The synchronous technology within the computer control unit maintains the balance of the load. This typical setup provides a lifting capacity of 1,000te.
The JS250 is an incremental system, meaning that the load is lifted in increments, whilst barrels are slid into the system, lifted and stacked to mechanically hold the load and create the lifting tower.
JS250 specification
The computer control unit provides the precision required for any heavy lift project, from synchronizing the units, calculating the centre of gravity and signalling an alarm if any issues were detected with the stroke of the jacks or overloading.
- Capacity per tower 250te
- Maximum sideload 3% @ 10m
- Maximum lifting speed 3m/hr
- Base frame dimension 2,250mm (A) x 2,050mm (B) x 1,474mm (C)
- Barrel loading system 1,400mm (E) x 1,341mm (F) x 418mm (J)
- Electric power pack 15 kW
- Weight per jack-up unit 7,500 kg
- Weight end barrel (3D swivel) 2,400 kg
Specialist lifting and installation equipment fleet
Alongside the JS250, Allelys own and operate a range of jacking systems including climbing jacks and strand jacks. This equipment fleet provides our in-house engineering department with complete flexibility to work closely with each customer to create a safe, practical and cost effective solution.
These jacking systems form part of our specialist lifting and installation equipment fleet, which also includes skidding systems, hydraulic gantries and cranes.
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Case Studies
Each and every project is unique. Our vast service offering and extensive equipment fleet enables us to work on some of the most exciting and challenging projects within the UK. Take a look at a selection of our case studies below.
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