Page 40 - NORWAY EXPORTS Maritime 2017-18

specialists in maritime tank venting technique

JOHN GJERDE AS
Gjerdsvikvegen 313
N-6083 Gjerdsvika, Norway
Tel: +47 70 02 65 00
E-mail: offi ce@gjerde.com
Website: www.gjerde.com

Since the establishment of John Gjerde AS in 1971, the company has designed, manufactured and
marketed high quality tank venting equipment for the shipbuilding industry.

New Lightweight Aluminium Located in the Heart
Tank Vent Check Valve of the Sunnmøre
John Gjerde AS, a specialist in maritime tank Maritime Cluster
venting technique in Sunnmøre Norway, has As many other sub suppliers for the maritime
added a new and innovative product to its and oil and gas industry, John Gjerde is
wide range of products for the ventilation of located in the heart of the maritime cluster
service tanks such as, for example, ballast, in Sunnmøre. The important exchange
stabilization, fuel, lubrication oil, mud, cement of information between shipowner, ship
and fresh water tanks, which can be found on designer and ship builder is unique in the
all fl oating constructions. world. This cooperation has lead to many
high tech and special designs which are
Due to demand in the market for smaller famous all around the world. Many of the
and lighter valves as the space on decks Norwegian shipowners and shipyards have
is becoming more and more important for chosen to have the new aluminium HIDE tank
shipowners/oil and gas companies and vent check valve as the standard for their
environmental issues leading to a lower total high quality vessels.
weight of vessels, which lead to the possibility JG does not compromise or jeopardize safety,
of the use of smaller engines, John Gjerde AS the good working processes and quality of its New Electrical
has developed a new small and lightweight products. Heating System for
aluminium tank vent check valve. Arctic Conditions
Special Testing Facilities With the upcoming interest in a new
The present generation of offshore vessels, Thanks to the special testing facilities, which sailing route north of Russia, the request
oil rigs and FPSOs are designed to maximize have been specially built by John Gjerde in for ice class vessels is increased. Oil and
working decks because most owners are paid cooperation with NTNU in Trondheim, the gas companies as well as ship owners
by the square metre for working deck available company was able to enlarge the air capacity see the economic value of the availability
for their clients. Cargo rails are getting in the tank vent check valves to a new level. of oil near the North Pole and the new
smaller, tank shapes are changing and there Looking at the average capacity of other cargo routes.
is an increase in incidents due to capacity tank vent check valves in the market, the
diffi culties with tank vent check valves in company has managed to create the new With the introduction of the new HIDE
general which leads to severe damages on the and even smaller HIDE aluminium valve with aluminium valve, John Gjerde has also
constructions. a capacity which is ten times as big. Tests launched a new electrical heating system
onboard different types of vessels and oil rigs for Arctic conditions. The system works
John Gjerde AS, knowing about all of the have shown that problems such as suction dependably and up to temperatures of
diffi culties involved, has tested all its products blocking, banging and braking fl oaters, minus 40-50 degrees Celsius. The heating
in its own testing and research department in damaged tanks and sleepless nights for the system can also be added later which is
Gjerdsvika, Norway. As always, the company crew are now history with the HIDE valves. unique in the fi eld of tank vent check valves.
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