Feature 1 | Gas TankeR
Feature 2
Deepwell pumps for LNG
Hamworthy Svanehøj A/S is now offering its full range of deepwell pumps
to the entire gas carrier market.
The test temperature using liquefied
A
lready well established for
handling LEG (ethylene)
nitrogen as pump medium for the modified
and LPG cargoes, pumps of
Hamworthy svanehøj deepwell pump was
capacities ranging between 50m
3
/h and
-185
o
C.
700m
3
/h can now handle LNG as well,
following on from a 2006 deal through
which Hamworthy Svanehøj signed pressure was -185
o
C, well below the
its first contract involving the use of required -163
o
C.
deepwell pumps for LNG at its standard In close cooperation with the client,
-163
o
C transportation temperature. the final cryogenic test was carried out in
The supplier has confirmed that final August 2007 to demonstrate some main
cryogenic testing recently demonstrated objectives, including that the selected
the success of the modifications. material modifications of some elements
were satisfactory, and the selected
First contract clearances between the static parts and the
Hamworthy Svanehøj is supplying rotating parts of the pump were correct
its first such deepwell pumps in early for the specified temperature range of
2008, for installation in a 7700m
3
LNG/ -163
o
C to +45
o
C.
LEG/LPG carrier being built by Polish
yard Remontowa for Rotterdam-based Ready for more
shipping company Anthony Veder. This Another objective was to demonstrate
unique vessel will be an LNG tanker for that the standard sealing and bearing
regional distribution, and will also be able arrangement will not be affected by the
to transport other gases as well, among lower service temperature.
them liquefied petroleum gas (LPG) and ‘Based on this successful test, Hamworthy
petrochemical gases including ethylene. After the pumps had been modified Svanehøj A/S is now ready to enter other
The pumps will be fitted with normal to lower the normal design temperature specific projects in this segment as the
explosion-proof motors powered by of -104
o
C for LEG down to -163
o
C for use and distribution of LNG in smaller
frequency converters, enabling them LNG, a series of cryogenic tests using quantities is rapidly increasing,’ said
to develop 210mlc LNG and the typical liquefied nitrogen as pump medium Hans Høyer Jensen, responsible for sales
120mlc LEG/LPG at a rated flow of were carried out. The test temperature and marketing at Hamworthy Svanehøj
450m
3
/h for both duties. with nitrogen at approximately 4bar deepwell pumps. NA
The Naval Architect February 2008 59
NA Feb 08 -
p59.indd 59 05/02/2008 09:42:08
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