News | EQUIPMENT
Rockwool Marine Acoustic Foil is a strong, thin and
durable film, which is resistant to oil/oil mist, water and most other substances expected to be found in the environment of the engineroom. Te film (which covers the Rockwool insulation and is then covered by a perforated steel plate) has been tested for surface flammability, according to International Maritime Organization (IMO) Res MSC.61(67), annex 1 part 5 and IMO res 653(16), by the Danish Institute of Fire Technology. Te result is in full compliance with SOLAS. To obtain the optimal sound properties the film must be fitted loosely with a small gap in between the film and the insulation. Te advantages of the new system are its optimal
sound properties, resistance to oil/oil mist, easy installation and the fact that it has been tested and approved according to SOLAS FTP-code for surface flammability.
Couplings Geislinger release
two new products Geislinger is set to unveil an updated corporate design and also highlight two new products – Vdamp XT and Genotorq – at SMM 2010 trade show in Hamburg, Germany, from 7 to 10 September 2010. Both new products are tailored to the needs of power generation in the maritime and offshore industry. Te newly developed VdampXT (extended lifetime) offers twice the lifetime at nearly the same size as
Vdamp by Geislinger (Credit: Geislinger GmbH).
Vdamp. An oil exchange system enables a doubled service life. This special VdampXT feature helps to elongate the damper maintenance intervals and therefore increase the genset uptime and reduces operation costs. Following its ‘second life’, the VdampXT can be refurbished by Geislinger and will aſterwards be ready for a second dual cycle. Te modular Geislinger Genotorq is the second
new development. With up to 64kNm torque capacity and high overtorque capabilities the Genotorq is up to the most demanding marine and power generation requirements. Radial installation and easy exchange of the long-life elastomer elements are key features of this coupling. Te user-friendly design helps to lower service time and thus increase the system uptime. Through different stiffness series and connection inferfaces the coupling can be easily adapted to different requirements.
Lighting Tideland lights up
1st semisub turbine Tideland Signal has supplied Statoil ASA with a comprehensive package of aids to navigation to warn shipping in the vicinity of its Hywind floating wind turbine. Hywind, built by Technip, is the world’s first full-scale,
floating wind turbine designed for deployment offshore, is part of a NOK400million (US$67million) project. It features a 2.3MW Siemens turbine with three blades of 80m diameter, mounted on a spar buoy. It can be located in waters ranging from 120m–700m depth in order to take advantage of optimum wind and environmental conditions, also removing the need for foundations, which are extremely expensive at depths greater than 30-50m. Te tower, rising to 65m above sea level, is marked
by three Tideland MLED-155 Syncrolan single-liſt light stations, each with a range of 5nm. Tey are mounted on stainless steel pedestals at 120degs intervals around the circumference of the tower at a height of 15m and are quipped with 48hr battery back-up. MLED-155 is designed for use with an external
power source, in this case solar, and offers minimal maintenance requirements and a service life of seven years on station in the most demanding environments. In the Hywind application, it is fitted with a yellow MaxiHalo 60 multi-code LED flasher, sunswitch and onboard GPS to synchronize the flash code. Hywind was assembled near Stavanger and is located 10
km offshore from Karmøy. Te two-year test programme is designed to prove the concept of capturing wind energy in deep-water environments and to test how wind and waves affect the structure. OMT
18 Offshore Marine Technology 3rd Quarter 2010
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