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Svanehøj develops fuel pump for LNG-powered ships to capture larger share of LNG market

07 Sep 2022

Specialised deepwell pumps manufacturer Svanehøj on Tuesday (6 September) said it has launched a new pump design for LNG to gain a larger share of the attractive and strongly growing LNG market.

The new CS pump (the name is an abbreviation of cryogenic submerged) was presented this week at the SMM trade fair in Hamburg.

“The demand for liquefied gas is increasing, and LNG-powered ships are being ordered like never before. Therefore, Svanehøj is now building on the growth of recent years within liquefied gas solutions with an ambitious investment in a new electric submerged pump design for LNG-powered ships,” the firm said. 

In recent years, Svanehøj has positioned itself as a supplier of long-shaft deepwell pumps, where the motor and other electrical parts are located on deck. The CS pump is a submerged pump that is installed at the bottom of the tank. This makes Svanehøj the first supplier in the industry to offer both deepwell pumps and submerged pumps for electric fuel systems.

“With the new CS pump for LNG, we are strengthening our position in a rapidly developing market. We will differentiate ourselves from our competitors by offering advice that is neutral in terms of technology selection. In this way, we want to ensure that the customer always gets the solution that best suits the specific project,” said Johnny Houmann, Director of Sales & Projects at Svanehøj.

Self-cleaning filter solves the problem of clogging

Among LNG-powered ships with submerged fuel pumps, clogging of the pumps due to impurities in the gas is a well-known problem. Clogging makes a pump less efficient, causes increased wear and operational disruptions. In the design of the CS pump, Svanehøj has solved this challenge by developing a special self-cleaning LNG filter that ensures optimal flow.

Furthermore, Svanehøj has developed its own electric permanent magnet motor especially for the CS pump. With the assistance of external specialists, the Svanehøj engineering team has succeeded in achieving a significantly higher degree of efficiency and lower energy consumption than other engines on the market. In this way, Svanehøj meets the need for solutions that comply with the stricter requirements for ships’ emissions.

“Our ESG focus is about developing technical solutions for ships to support the transition to cleaner energy types. With the CS pump, we meet some technical challenges to ensure a higher efficiency of the pump and improve uptime during operation,” said Johnny Houmann.


Photo credit: Svanehøj
Published: 7 September 2022

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