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LNG Project - Crane Hydraulics

Crane Powerpack OutsideHYSPECS Melbourne was contracted by one of Australia's leading crane manufacturers to supply 4 hydraulic powerunits (HPU's) and associated valving to power their luffing jib cranes. These cranes form part of a large liquid natural gas (LNG) project in Australia.

The HPU's were designed, manufactured and tested in-house at HYSPECS premises in Dandenong, VIC before being shipped. The cranes operate in a hazardous area defined as IEC Ex Zone 2, so the electrical equipment supplied was required to meet this standard. To reduce the electrical explosion proof content with its high costs a hydraulic pilot system was designed to operate the crane and control the working limits.

Due to environmental conditions each HPU is totally enclosed with maintenance access through two removable front panels. Tandem variable displacement piston pumps close coupled to a 37kW electric motor supply the hydraulic power necessary to drive the winches and boom cylinders.

Custom designed manifold blocks, manufactured by HYTECH (Hyspecs Technologies) in Auckland, reduced the hydraulic footprint and complexity of piping. High quality hydraulic components from Eaton, Walvoil and Hydraforce was used for maximum reliability and safety.

With branches in Melbourne, Auckland and Christchurch we have the resources to offer complete turnkey hydraulic solutions for your next project.

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