Feature 2
Aker Kvaerner in steering gears
upgrade
Aker Kvaerner Porsgrunn says it has noticed growing demand from
owners to upgrade the steering gear on older vessels which they intend
to continue to operate. In some cases the company has been asked
to upgrade steering gear that was 40 years old, and upgrade work on
steering gear is currently accounting for around 15%-20% of after sales
activity.
The most common retrofit packages provided include components
such as hydraulic valves and power units; PLCs for control and alarm
handling; installation of frequency converters; and rudder control
systems on the ship’s bridge. Frequency controlled power units have a
number of advantages, the most important being cost savings through
fuel consumption, and reduced maintenance.
Aker Kvaerner Porsgrunn is experiencing what is an all time high in
its orderbook and has a particularly busy and demanding after sales
business. ‘This is in part due to high activity in the shipbuilding industry,
however, we also believe it is a result of the acknowledgment our
steering gears have gained in the market, the company says, noting that,
to handle the growing level of business, it was focussing on increasing
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engineering and production capacity, and on further improving quality
control procedures. ‘We aim to cooperate with Aker Kvaerner Pusnes to
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utilise their new hub in singapore… and believe this will enable us to be
a lifetime partner for rotary vane steering gears.’ 8BUFS
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Sister company Aker Kvaerner Pusnes is also particularly busy at
present, recent orders including deck machinery, bow loading systems, .BSJOF
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and crane offloading systems for use in arctic waters.
three oilfields in russia’s arctic waters are currently being developed


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and Aker Kvaerner Pusnes is delivering equipment to all of them. The
contracts include supply of Pusnes deck machinery, bow loading systems,

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and a newly developed offloading system, all specially designed for use
in the demanding arctic environment. Both the bow loading and crane

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offloading systems allow transfer of oil under the extreme weather and
temperature conditions prevailing in the arctic.

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Recent deliveries include Pusnes deck machinery for seven Arctic
shuttle tankers; bow loading system for five shuttle tankers for the
Sakhalin Field (operated by Primorsk and Sovcomflot); and a Pusnes

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crane offloading system for the Prirazlomnoye Field operated by
sevmorneftegaz).
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Recently, the company has also announced that it is to deliver a
complete offloading system for transferring stabilised crude oil from a
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HiLoad system developed by Remora in Norway to a shuttle tanker’s
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midship manifold.
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The scope of work includes detail engineering, design, interface
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engineering, fabrication, inspection, and testing. The offloading system
is designed in accordance with remora’s functional requirements and
will be installed between HiLoad’s two towers.
Aker Kvaerner Pusnes’ scope of supply includes: the hose reel; quick
release flange; spooling gear; hose connection winch; hose ropes;
slipway; portable remote control; equipment for CCr; and valve unit and
accumulator skid.
The Naval Architect January 2008 51
RWO Anzeige 59x260mm 4c.indd 1 19.12.2007 11:58:28
NA Jan - p50+51.indd 51 04/01/2008 15:49:31
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