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ARCA anti-surge valve in China’s largest LNG tanker
August 2017, Valves, Actuators & Pump Control


China’s largest liquefied natural gas (LNG) tanker Pan Asia was launched in Hudong Zhonghua shipyard, Shanghai. The Pan Asia is the first tanker for the Pan Union LNG project and, with a capacity of 174 000 cubic metres, is expected to bring China 1,5 million tons/year of clean energy. The Pan Asia integrates dual fuel electric propulsion technology and a re-liquefaction plant, a first in a large LNG tanker. Arca made a considerable contribution to the re-liquefaction system by providing the necessary compressor anti-surge valves. Final testing took place from January to March before the vessel began transporting LNG produced in Queensland.

Serious surging can result in vane fatigue damage in a compressor, hence the installation of anti-surge valves to prevent this centrifugal compressor surge phenomenon. Arca anti-surge valves avoid surging by accurately adjusting the gas circulation or blow-off flow, effectively protecting the safety of the compressor unit. The anti-surge control valves with the multistage cage plug and the fixed noise reduction, ANSI class V metal sealing and perfect configuration of actuator accessories, ensure that the compressor does not reach the surge point and that downstream pipeline noise remains within a normal range.

For more information contact Valve & Automation, +27 (0)31 579 2593, sales@valve.co.za, www.valve.co.za


Credit(s)
Supplied By: Valve & Automation
Tel: +27 31 579 2593
Fax: +27 31 579 2562
Email: sales@valve.co.za
www: www.valve.co.za
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