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According to Emerson, St. Louis, its recently released Daniel T-200, a titanium-housed transducer, for the company’s gas ultrasonic flow-meter product line, marks the first use of metal 3D printing to enhance the acoustic performance of these types of devices in custody-transfer applications. The robust design is said to increase reliability, uptime, and safety while achieving the highest accuracy class attainable in gas measurement.

In ultrasonic flow meters, transducers generate acoustic signals that are sent back and forth across the fluid stream. The arrival times of these signals determine the fluid flow velocity. Signal quality and strength are critical to measurement accuracy, which is paramount in custody transfer applications. An error of only 0.1% can equate to hundreds of thousands of dollars annually in a large diameter high pressure pipeline.

To boost signal strength through the titanium housing, the T-200 uses a metal 3D-printed mini horn array, which consists of an intricate geometrical structure of titanium horns and a titanium diaphragm that acts as a harmonic oscillator and matching layer. This maximizes the sound energy coupled into the gas, which improves the signal-to-noise ratio and accuracy of the measurement.

“The T200’s mini-horn array could not be made without metal 3D printing technology, making it transformational to the sound quality and performance achievable through a titanium barrier,” said Kerry Groeschel, director of ultrasonic technology, Emerson.  “Emerson is committed to developing innovative solutions that help our customers achieve safer, more efficient operations.”

The meter’s all-metal housing provides a barrier from corrosive hydrocarbon fluids and wet gas, thereby extending the life of transducer components and ensuring stable performance. This unique design allows the meter to be hydrotested with transducers in place, steam cleaned while in the operating line and blown down with no limits on the rate at which the meter can be depressurized.

The T-200 can also be safely extracted while the meter is under pressure without special high-pressure extraction tools, which reduces the possibility of greenhouse gas emissions during extraction. The capsule which contains the piezoelectric crystal used to produce ultrasonic sound waves is retractable as a single piece for simplicity and ease of use. No other gas ultrasonic transducer can be extracted under pressure without special tools and with so few parts to remove or touch in the removal process.

The new design is rated for a wide range of operating conditions, including pressures from 15 pounds per square inch gauge (psig)/103 Kilopascal (kPa) to 3,750 psig/25,855 kPa and temperatures up to 125 degrees Celsius/257 Fahrenheit.

For more information, go to www.emerson.com/ultrasonicflowmeters

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About Emerson
Emerson (NYSE: EMR), headquartered in St. Louis, Missouri (USA), is a global technology and engineering company providing innovative solutions for customers in industrial, commercial, and residential markets. Our Emerson Automation Solutions business helps process, hybrid, and discrete manufacturers maximize production, protect personnel and the environment while optimizing their energy and operating costs. Our Emerson Commercial & Residential Solutions business helps ensure human comfort and health, protect food quality and safety, advance energy efficiency, and create sustainable infrastructure. For more information visit Emerson.com.

The meter’s all-metal housing provides a barrier from corrosive hydrocarbon fluids and wet gas, thereby extending the life of transducer components and ensuring stable performance. This unique design allows the meter to be hydrotested with transducers in place, steam-cleaned while in the operating line, and blown down with no limits on the rate at which the device can be depressurized.

The T-200 can also be safely extracted while the meter is under pressure without special high-pressure extraction tools, which reduces the possibility of greenhouse gas emissions during extraction. The capsule which contains the piezoelectric crystal used to produce ultrasonic sound waves is retractable as a single piece for simplicity and ease of use. No other gas ultrasonic transducer can be extracted under pressure without special tools and with so few parts to remove or touch in the removal process.

The T-200 is rated for a wide range of operating conditions, including pressures from 15 psig (103 kPa) to 3,750 psig (25,855 kPa) and temperatures up to 257 F (125 C).

CLICK HERE to learn more about the Daniel flow-meter product line.