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The V-Cone Flow Meter from McCrometer easily fits in crowded equipment installations where long-pipe straight-runs are impractical.

It reduces flow meter straight-pipe run requirements by up to 70 per cent or more and needs only 0-3 straight-pipe diameters upstream and 0-1 downstream to operate effectively.

The resulting savings (after installation) in plant real estate, materials and labour costs can actually exceed the cost of the instrument itself.

Featuring reliable differential pressure technology, the V-Cone Flow Meter offers excellent accuracy and repeatability over a wide flow range.

It operates over a flow range of 10:1 with low head loss and supports line sizes from 0.5 to greater than 120in.

Accuracy is +0.5 per cent, with a repeatability of +0.1 per cent.

Municipal water engineers can rely on the V-Cone Flow Meter for consistent performance and low cost of ownership because it requires little recalibration or maintenance over a life exceeding 25 years.

The versatile V-Cone is also easy to install, making it ideal for water-plant expansions or retrofits as well as new facilities.

The V-Cone’s no moving-parts design provides built-in flow conditioning, which vastly reduces the upstream/downstream straight-pipe runs required by most flow meter technologies.

Typical flow meter installations may require from 10 to more than 40 straight-pipe diameters upstream from the meter and five or more straight-pipe diameters downstream to eliminate the effects of swirl and other pipeline disturbances caused by elbows, valves and other devices that decrease measurement accuracy.

The V-Cone’s design is more accurate than magnetic and venturi flow meters as the flow-conditioning function is built into the basic instrument.

The V-Cone conditions fluid flow to provide a stable flow-profile that increases accuracy.

It features a centrally located cone inside a tube.

The cone interacts with the fluid flow and reshapes the velocity profile to create a lower pressure region immediately downstream.

The pressure difference, which is exhibited between the static line pressure and the low pressure created downstream of the cone, can be measured via two pressure-sensing taps.

One tap is placed slightly upstream of the cone and the other is located in the downstream face of the cone.

The pressure difference can then be incorporated into a derivation of the Bernoulli equation to determine the volumetric fluid flow rate.

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