Measurement accuracy highlight of flow conditioners

VORTAB Flow Conditioners are claimed toensure
a smooth flow profile for accurate measurement by flow meters, which often must
be installed in close proximity to pumps, valves or elbows due to limited plant
real estate.

A number of popular liquid flow meter meters,
including differential pressure (dP), magnetic, ultrasonic and turbines,
feature sensing technologies that can be affected by asymmetrical flow
conditions in the pipe. These conditions degrade measurement accuracy and
repeatability. Depending on the particular technology, these meter sensing
technologies require a minimum of 6 to 10 upstream and up to 5 downstream
straight pipe diameters to achieve a symmetrical swirl-free flow profile for
accurate measurement.

Unfortunately, most process industry plants are rich
with bulky equipment and other real estate limitations, which make it difficult
to achieve the required pipe straight-run configuration necessary for accurate
liquid flow measurement.Many times too,
plant upgrades and retrofits require adding more flow meters in locations that
are difficult to accommodate without flow conditioning devices because of their
straight pipe run requirements.VORTAB
Flow Conditioners reduce the required straight pipe diameters to only a very
few diameters for effective compact meter installation and accurate flow
measurement.

Furthermore, the design of the VORTAB Flow
Conditioners results in a low pressure drop, claims the manufacturer. This
design feature is said to provide energy cost savings over alternative flow
conditioning technologies and maximises attainable plant product throughput. Non-recoverable
pressure loss can reduce maximum flow capability in process lines, creating
process inefficiencies and requiring greater energy expenditures to move
process liquids and gases.

There
are four different VORTAB Flow Conditioner models to accommodate a variety of
process requirements.The VORTAB
Insertion Sleeve (VIS) is the most cost effective version of the VORTAB flow
conditioning products. The VIS can be installed directly into existing pipe or
specially designed to meet unique piping configurations

The
VORTAB Meter Run (VMR) Flow Conditioner offers a complete, simple pipe section
replacement for new and existing piping systems. The VMR is a seven pipe
diameter long spool piece comprised of three pipe diameters of VORTAB flow
conditioning internals and a built in downstream settling chamber.

The VORTAB Short Run (VSR) flow conditioner offers a
simple flow conditioning pipe section replacement for new and existing piping
systems. The VSR is a three pipe diameter long flow conditioning spool piece
with just the VORTAB flow conditioning internals.

The VORTAB Elbow Flow Conditioner is a 90-degree long
radius elbow (VEL) model. It offers a simple flow conditioning elbow
replacement for new and existing piping systems. The VEL is the only true
isolating elbow flow conditioner in the world. It not only has the ability to
isolate irregular velocity profiles and swirl normally encountered in a single
elbow, but it also has the ability to isolate any irregular velocity profiles
entering the VEL.

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