McCrometer, Inc.  - a subsidiary of Danaher Corporation

V-Cone Flow Meter helps FPSO vessels shed weight and save space for big cost savings

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McCrometer announces the newest V-Cone® FPSO Flow Meter which was exhibited at the Offshore Technology Conference (OTC), May 4-7, 2009, at the Houston Reliant Center.

The V-Cone Flow Meter offers proven differential pressure (DP) flow measurement technology with built-in flow conditioning that reduces upstream/downstream straight pipe run requirements by up to 70% or more. This significant reduction in pipe requirements adds up to cost savings in materials and installation labor while reducing overall weight and saving valuable deck space. Using less pipe and thereby reducing weight also can simplify vessel balancing, which makes it easier to find the optimal location for meter installation.

The effects of swirl and other pipeline disturbances caused by nearby valves or elbows often hamper flow meter performance by negatively affecting measurement accuracy and repeatability. For this reason, most flow meter installations require 10 to 40 straight pipe diameters upstream from the meter and 5 or more straight pipe diameters downstream, to smooth the liquid flow profile prior to measurement.

With built-in flow conditioning, the V-Cone Flow Meter needs only 0 to 3 straight pipe diameters upstream and 0 to 1 downstream to operate effectively and maintain accuracy.

The V-Cone’s unique self-conditioning design provides an extremely stable flow profile delivering high accuracy of +0.5% and repeatability of +0.1% over the entire range. The versatile V-Cone is ideal for both top-side and sub-sea FPSO applications measuring liquid, steam or gas and supporting line sizes from 0.5 to 120 inches with an unmatched 10:1 turndown ratio for wide range-ability.


Petroleum production engineers can depend on the V-Cone for an exceptionally low cost of ownership because the meter has no moving parts. The V-Cone requires virtually no maintenance or recalibration over an unprecedented long life, typically exceeding 25 years. With low permanent head loss, the V-Cone reduces the cost of ownership by minimizing energy requirements.

For critical surge control compressor applications, the V-Cone exhibits quick reaction time due to the low noise to signal ratio compared to other differential pressure technologies. With a feedback control loop the fast reaction of the V-cone can help avoid compressor damage and loss of production.

About McCrometer
McCrometer’s advanced liquid, steam and gas flow measurement solutions solve complex challenges in Municipal/Industrial Water & Wastewater, Oil & Gas, Process Control & Plant, Electric Power Generation, Institutional Facilities and Agriculture. The company’s products and systems are found in thousands of installations worldwide. Its products and systems meet many of the world’s most demanding industrial, safety and quality standards. Visit us on the web at www.mccrometer.com

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