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Product roundup: Flow innovations come in waves

April 27, 2021
Improvements in Coriolis, ultrasonics—and increased accuracy—allow flow measurement in diverse settings

Coriolis for hydrogen fueling

TMU-W high-pressure Coriolis mass flowmeter is designed for hydrogen fuel dispensing units. Its design is reported to be unique, providing the highest possible stability and accuracy. TMU-W is certified to the OIML R 139 2018 international standard for hydrogen fueling stations, and has a 1.5 accuracy class. It's also suitable for other high-pressure applications for liquids or gases, such as injection skids, fracking or extrusion. TMU-W is pressure resistant to 1,000 bar and provides two 4-20 mA current output signals.

Kobold Instruments Inc.
412-788-2830; www.koboldusa.com

Ultrasonic meter adds pressure, temperature

Proline Prosonic Flow G 300/500 ultrasonic flowmeter integrates pressure and temperature sensors. It can be supplied with two transmitters, either Proline 300 compact version or Proline 500 remote version with up to four inputs and outputs, which lets it output not only flow, but also pressure, temperature and other process variables. Prosonic Flow G can measure dry and wet gases with ±0.5% precision, repeatability and reliability, and operates at up to 150 °C (302 °F) and at pressures up to 100 bar (1,450 psi).


Using surface acoustic waves

Flowave 8098 flowmeter uses a patented surface acoustic wave (SAW) process to perform measurements, so there are no installed fittings or constrictions, and no empty spaces in the measurement tube. Measurements are also performed without contact between the sensor elements and the medium. Because the measuring tube is identical in fluidic terms to other straight tube sections where it's implemented, Flowave 8098 also avoids pressure drops. Installation is straightforward due to its compact size and light weight.

Burkert Fluid Control Systems
800-325-1405; www.burkert-usa.com/en/type/8098

Controllers add flow calculations

Open Secure Automation (OSA) platform and its OSA Flow and OSA Remote+Flow controllers have embedded Flow-Cal software and algorithms for flow measurement. Their combination lets users manage measurement and custody transfers, program field I/O and control strategies, and deploy protocols such as HART, EtherNet/IP and Modbus, along with OPC UA and MQTT. OSA+Flow also features a temperature envelope of -40 °C to 80 °C (176 °F), galvanic isolation for EFT and EMP, and 64 cGB secure flash memory.

Bedrock Automation
781-821-0280; www.bedrockautomation.com

Gas measurement for brewing

Versatile, green-friendly ST75 thermal air/gas mass flowmeter measures natural gas, CO2 and mixed waste gases in small line sizes to optimize brewing fermentation processes, product quality and overall plant efficiency. It features accuracy to ±2% of reading with ±0.5% repeatability over variable temperatures in line sizes from 0.25 to 2 in. (6 to 51 mm). ST75 is factory preset to a wide turndown range at 10:1 to 100:1. It operates over a 0.01 to 559 SCFM (0.01 to 950 NCMH) flow range, depending on line size.

Fluid Components International (FCI)
800-854-1993; www.fluidcomponents.com

Pressure gauges for corrosive gas flows

PG-35, PG-35H, and PG-35L pressure gauges from Nidec Copal Electronics measure the pressure of corrosive gases and liquids in industrial automation equipment and medical equipment. The gauges withstand these extreme environments because the internal silicon-chip sensor is encased in a stainless-steel diaphragm. The sensor’s output functionality can be programmed using buttons located near the display. Users can program how the switch outputs engage, adjust pressure settings, and set units of measurement.

Digi-Key Electronics

Four meters in less than half the space

Rosemount 8800 Quad Vortex flowmeter meets stringent safety standards, where SIS are required, and is reported to be the first with quadruple sensors and transmitters to meet SIL requirements. Housed in an all-welded meter body, the meter provides a compact flow solution with built-in redundancies for added safety without introducing additional leak points. It reduces piping needs threefold by eliminating added flanges and pipe runs required for installing multiple flowmeters in a redundant flow measurement solution.

Emerson Automation Solutions

Sensor for valve position feedback

F31K2 dual-valve position sensors have a beacon that's visible from long distances to give onsite operators instant, reliable valve position data. The sensor’s double-housing design provides twice the mechanical protection and a high ingress-protection rating. LEDs indicating power supply, sensor and valve conditions are integrated into the F31K2's encapsulated sensor module. Its housing materials ensure high resistance to UV, temperature and corrosion. NAMUR Ex i (Zone 0/20) and Ex nA (Zone 2/22) versions are available.


Ethernet aids flow control

Admag TI AXG magnetic flowmeter has high-speed, bidirectional EtherNet/IP communications that enable improved control, configuration and data collection between field instruments and control. It has plug-and-play integration with PLCs, high-volume data transmission, and enhanced settings. Admag TI AXG also features built-in verification, 0.1 in. to 20 in. (2.5 mm to 500 mm) diameters with PFA or ceramic liners; up to ±0.15% of flow rate accuracy; and explosion-proof, submersible and hygienic versions.


Measure conductive fluid flows

Inductive electromagnetic flowmeters offer high accuracy and are suited for flow measurements of fluids with electrical conductivity from 5 μS/cm (20 μS/cm for demineralized water). Measurements are independent of density, temperature and pressure. Their operating principle is based on Faraday’s magnetic induction law. They can measure the flow rate of a conductive liquid in any process, including chemical, pharmaceutical, paper, food processing or water/wastewater treatment.

Fuji Electric

Low-cost, accurate Coriolis

CorFlo Coriolis mass flowmeters allow real-time measurement of density and flow in liquids, slurries and gases. Thermal meters combine the convenience and accuracy of conventional mass flowmeters with lower costs, but CorFlo is also reported to provide the most accurate measurements (±0.1~0.5%) for process fluids, while achieving low pressure drops. It also has more measurement sensitivity and stability, performance over a wide flow range, and minimal process, mounting and environmental effects.

Hawk Measurement

Ball valve for precision flow

Type-21a Seat Support Technology (SST) true-union, flow-control ball valves are available in 1/2 in. through 2 in. sizes. They have a precision-machined PVC ball with center provisions to support PTFE seats from 0% to 100% of capable flow. Type-21a produces equal percentage flow characteristics for fine throttling, requires directional installation, and has a flow-direction label. SSTs are manually operated, include a 0°-100° indicator plate, and have an indicator line that doubles as a carrier-adjustment tool.

800-343-3618; www.asahi-america.com

Compact meter for gas custody transfers

Flowsic500 compact, ultrasonic gas meter is designed for precise custody transfers of natural gas. It's reported to enable extremely accurate measurements in distribution applications. Because it lacks moving, mechanical parts, Flowsic500 is also durable, reliable and maintenance-free. It's also overload-proof and monitored by an intelligent diagnostics system. When used in transfer and measuring stations, Flowsic500 provides the security of continuous and blockage-free gas supplies.

Sick USA
800-325-7425; www.sick.com

Clamp-on, ultrasonic meter updates at 100 Hz

Sitrans FS230 clamp-on, ultrasonic flowmeter offers cost savings with high accuracy, ease of use and reliability in flow processes. Its 100 Hz data update rate provides diagnostics and error-handling efficiency. In addition, Sitrans FS230 features an external Digital Sensor Link (DSL), which is an external module that processes analog signals from transducers, and digitizes them to enable robust communication over long distances to the transmitter without electromagnetic interference.


Safe, stable liquid flow sensing

Sensirion SLF3S liquid flow sensor provides safety, stability and long-term reliability, monitors system operations, and detects common failure modes for a range of applications. The liquid flow sensors in the SLF3x series are based on Sensirion’s proven CMOSens technology, which optimize costs by simplifying design without sacrificing easy fluidic, electrical and mechanical connections. Their straight and unobstructed flow channel has no moving parts.


Visual indication over variable areas

ProSense FG1 mechanical, variable-area flowmeters have visual indication of flow rates. They provide ±5% full scale accuracy and ±1% repeatability. Two adjustable flow limit pointers indicate high/low/normal flows. ProSense FG1 is made of high-impact polysulfone plastic with brass fittings (1/2 and 3/4 NPT models). FG1 is available with 1/2 in., 3/4 in. or 1 in. NPT process connections and easy-to-read flow scales in gpm and lpm. Measurement ranges are 0.25-2.5 GPM (1-10 LPM) to 4-28 GPM (20-100 LPM).


Ultrasonic meter extends viscosity range

Optisonic 6300 V2 ultrasonic flowmeter has a clamp-on design, and measures flow anywhere without interrupting processes. New features include a viscosity range up to 200 cSt, no need for re-greasing due to solid coupling material, next-generation signal converter for enhanced application range, Namur NE107 diagnostics and integrated thermal energy calculation. Optisonic 6300 V2 is suitable for diameters from 1/2 in. to 160 in. It has a process temperature range of -40 °F to 392 °F (-40 °C to 200 °C).

800-FLOWING (978-535-6060); https://krohne.com/en

C1D2 / Zone 2 flow computer

To increase precision in custody transfers, Flow-X flow computer has obtained Class 1 Division 2 (C1D2) and ATEX/IECEx Zone 2 certification for accurate measurements in mid- and downstream oil and gas processes, even in the harshest conditions. C1D2 / Zone 2 extends its operating temperature range from -40 °C to 75 °C (-40°F to +167°F) with 5% to 95% humidity. Flow-X also has analog inputs that provide what's reported to be unmatched 0.008% accuracy.


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