natural gas (LNG) is a vital method of transporting and storing natural gas
in places where pipelines are not feasible. LNG is natural gas that has
been cooled to around 260°F (-162°C), reducing the ordinary volume of
natural gas by orders of magnitude: approximately one six hundredth of its
In some cases, gas in its liquid state is put aboard ships specially
equipped to maintain the low temperature of the stored LNG. These
tankers can then efficiently transport huge quantities of natural gas in
its LNG form to distant ports. At the receiving area, these tankers
unload their LNG cargo and it is returned to its gaseous form. At
this point, the natural gas is sent by the terrestial infrastructure to
distribution companies, industrial consumers, power plants, or held in
storage for future use.
Coriolis, differential pressure, turbine,
and ultrasonic flowmeters are
the technologies most often employed within this application.
Ultrasonic and Coriolis flowmeters have found competitive advantage here
because of their accuracy and reliability, but equally because of their
non-intrusive design. Because their design does not impede the flow
stream, higher throughput is available to operators at the same pipe
diameters which might otherwise be equipped with turbine of differential
pressure flowmeters. Higher throughput means greater revenues per
unit of time.
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