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Roxtec transits ensure EMI protection on new LNG carriers

Hudong-Zhonghua Shipbuilding Group and power system provider ABB specified Roxtec EMC solutions for the new-build of four LNG carriers.

State-owned Hudong-Zhonghua in Shanghai, China, builds the LNG carriers Pan Asia, Pan America, Pan Europe and Pan Africa for the Queensland Curtis LNG project in Australia. Each vessel will transport 174,000 m3 of liquefied natural gas to different countries.

 

Preventing multiple risks

Roxtec cable transits are used for the electric propulsion system and the reliquefication system. The seals combine protection against fire, smoke, gas, water, dust, dirt, vibration and the risk of explosion with elimination of electromagnetic interference, EMI.

Today, vessels have more sophisticated equipment in narrow spaces, which increases the risk of EMI generation. By using strong EMC solutions, one can ensure reliable operation.

 

Close partnership

Hudong-Zhonghua and ABB chose the Roxtec EMC sealing system. It is designed to withstand offshore conditions and certified by all major classification societies. The shipbuilder required quick response along the project and had a special requirement regarding a sealing module size. Roxtec rapidly provided this customized solution to meet their specific needs.

 

Satisfying supplier

“We had a great time working with Roxtec. When we had an installation problem or special sealing requirements, we got very quick response. Roxtec provided us not only with good quality products, but also with excellent service!” says Mr. Ling Xiaoming, head of electric workshop of the PULNG team at Hudong-Zhonghua.

The transits are openable and have optional spare capacity to simplify upgrades throughout the lifetime of a vessel. The shipbuilders decided to prepare for 30 percent more cables.

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