4-tube Coriolis flowmeter for large pipelines

03 May 2011

Endress+Hauser has introduced the Proline Promass 83X/84X Coriolis flowmeter, which is believed to be the first large four-tube Coriolis flowmeter in the World.

The 14in diameter flowmeter is suited to the measurement of mass flow, density and temperature of oil, gas and other fluids in large pipes at rates up to 4,100 tons/hr.

The 83X model comes standard with fully traceable 0.1% flow accuracy, and optionally with a flow accuracy of 0.05%. The 84X is suitable for custody transfer applications, featuring MID (OIML R117) and PTB approvals.

For both models, accuracy of the density measurement is 0.01 g/cm3 (0.001 g/cm3 optional), while accuracy of the temperature measurement is 0.5 °C. Both models also have a balanced measuring system with high immunity to external pipe vibrations and process influences, and both work in applications with entrained air.

The 316L stainless steel construction of the flowmeter makes it suited to use in a wide range of applications. Available with 12, 14 and 16in. flanges, it can be fitted to most large pipelines, to replace conventional flow measurement devices with a stable alternative that has a lower pressure drop. Communication options include 4-20mA, HART, Profibus DP/PA, FOUNDATION Fieldbus or Modbus.

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