| Parker
contract for ground-breaking Snøhvit LNG project
Posted: 11 May 2003
1000 instrumentation enclosures will be used at the onshore
LNG
processing plant
Parker Instrumentation has been awarded the contract to supply
all the
instrumentation components and sub-systems to the Snøhvit
development, the world's northernmost liquefied natural gas (LNG)
project.
In total, some 1000 weatherproof instrumentation enclosures will
be provided, complete with Parker manifolds, valves and tube fittings
— and fitted with the process transmitters specified by the
project contractor.
Instrument systems are already being supplied to equipment builders,
bulk deliveries to the onshore gas processing site being built at
Melkøya will commence in September 2003.
Parker's ability to supply complete instrumentation assembly packages
to the Snøhvit Group's engineering, procurement and construction
manager, Linde, fitted with anti-freeze heating systems to combat
the harsh environmental conditions, were key factors in winning
the contract.
The systems will provide the process instrumentation required for
Linde's ground-breaking, energy-efficient, liquefaction plant.
Parker is supplying all the manifolds, valves, tube fittings and
tubing components required for the onshore LNG plant.
In total, Parker expects to supply around 1000 H-Series manifolds,
over 20km of conventional and heat-trace tubing, and several thousand
twin-ferrule A-LOK compression tube fittings.
In addition to standard 316 stainless steel fittings, Parker is
supplying fittings fabricated from 6Mo (6 per cent molybdenum steel)
for certain corrosion-prone areas of the process — such as
the seawater cooling systems.
To further protect against corrosion, all the tube fittings will
be treated using the company's proprietary Suparcase process.
This hardens the back ferrule — the part of the fitting responsible
for ensuring a strong grip on the tube — without adversely
impacting susceptibility to corrosion.
It avoids leaving the avenues for the onset of corrosion that can
be caused by conventional hardening techniques.
Parker's instrument enclosures for the Snøhvit project will
be fitted with high performance heating elements and insulated to
ensure the integrity of the measurement systems.
They will operate down to -25¹C, an essential feature for
the Melkøya location which, at above 70¹N, is well inside
the Arctic Circle.
Posted by Richard Price,
Editor Pipeline Magazine
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