Seal of approval for Trelleborg
Resource from: Automotive News Likes:229
Apr 20,2016
Trelleborg’s accreditation comes following the development of a hose design that is used in the transfer of LNG between floating terminals and carriers.
Trelleborg’s fluid handling operation, the leading supplier of innovative flexible bonded hoses for the crude oil, chemicals and liquefied natural gas (LNG) offshore industries, has been awarded the prestigious EN1474-2 accreditation following the development of a revolutionary hose design for use in the transfer of LNG between floating terminals and carriers. It is the first product of its kind in the world to receive this accreditation.
Up until very recently, the vast majority of projects have adopted a side-by-side configuration when undertaking LNG transfer, with the end product transferred via a cryogenic marine loading arm between two vessels positioned alongside one another. The close proximity of the two vessels – as little as 5m (16ft) – has been known to lead to a number of potential operational difficulties as well as an increased scope for issues around safety, involving collision between the two vessels. This led to the development of a ground-breaking new approach. As such, vessels can now be situated in tandem with one behind the other at a distance of approximately 100m to 150m (328ft to 492ft), enhancing the overall safety and efficiency of the LNG transfer process through a larger operating window and enabling LNG transfer to occur even in the most challenging of weather conditions.
Vincent Lagarrigue, marketing manager for Trelleborg’s oil and marine hoses, explained: “For our customers, it is reassuring to know with certainty that all possible measures have been taken to eliminate the risk of LNG transfer becoming unduly hazardous or being halted by the elements. This accreditation can be seen as a ringing endorsement of the safety of our products and sends a strong message to the market – the name Trelleborg is synonymous with quality and safety.”
Instrumental to the new configuration is a 0.5m (20") inner diameter and 20 barg working pressure cryogenic floating hose developed as part of a long-standing collaboration between Trelleborg and Saipem. Following a rigorous testing process, this innovation has fulfilled the criteria to satisfy the EN1474-2 standard for LNG transfer. It comprises a floating hose based on a hose-in-hose concept with an outer rubber marine protective hose housing an inner LNG cryogenic composite layer – a technology already well established in ship-to-ship LNG transfer operations.
Given the demanding environments in which these hoses are used, exhaustive checks must be in place to determine that they are fit for purpose since design flaws can have potentially enormous impact on production, cost and the environment. To meet the requirements of EN1474-2 standard, Trelleborg successfully tested several full scale hose prototypes in static and dynamic conditions, most of the tests taking place in cryogenic conditions at -196°C (-321°F). The tests demonstrated the ability of the hose to cope with extremely high loading conditions in severe operating environments.
The innovation will help bring LNG transfer in line with similar operations in the oil sector, where more than 90% of transfer operations now take place via a tandem configuration.
For additional information on Trelleborg solutions for the oil & gas sectors, please call Vincent Lagarrigue Tel: +33 (0) 4 73 25 8100 Mobile: +33 (0) 674 405 864 vincent.lagarrigue@trelleborg.com.
Trelleborg is a world leader in engineered polymer solutions that seal, damp and protect critical applications in demanding environments. Its innovative solutions accelerate performance for customers in a sustainable way. The Trelleborg Group has annual sales of SEK 25 billion (EUR 2.65 billion, USD 2.94 billion) in over 40 countries. The Group comprises five business areas: Trelleborg Coated Systems, Trelleborg Industrial Solutions, Trelleborg Offshore & Construction, Trelleborg Sealing Solutions and Trelleborg Wheel Systems. In addition, Trelleborg owns 50 percent of Vibracoustic, the global market leader within antivibration solutions for light and heavy vehicles, with annual sales of SEK 18 billion (EUR 1.94 billion, USD 2.15 billion) in about 20 countries. The Trelleborg share has been listed on the Stock Exchange since 1964 and is listed on Nasdaq Stockholm, Large Cap.
(Automotive News)
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