Flow Level Pressure


No-Moving Parts Solutions For Small Line Size Flow Measurement


Plant and process engineers who need accurate flow detection or measurement of air, gases, or liquids in smaller pipe sizes will find several diverse flow instrument solutions available from Fluid Components International (FCI).


Using advanced, ultra-reliable thermal dispersion flow measurement technology with no-moving parts, FCI’s Series and ST100L Air/Gas Flow Meters and FLT93L Flow Switch provide ideal solutions for use in 0.25 to 2 inch (DN6 to DN50) pipe or tubing. They excel where low flows, wide-turndowns, dirty fluids, HazEx or harsh installations are among the applications factors.


These flow instruments offer many advantages for service in a wide range of applications: plant, building or lab gas sub-metering, small inlet air/gas feed lines for boilers, gas relief valve monitoring, chemical injection, compressed air systems, cogen or CHP gas fuel measurement and control, sampling systems, and more.


Many small process line applications are difficult to measure reliably with high repeatability due to variations in temperature and pressure, and have wide flow rates. FCI’s thermal flow meters and switches are unaffected by, or have on-board compensation for, temperature and pressure changes and, in addition to superior detection of low flow rates, provide 100:1 turndown as a standard feature.


FCI’s highly reliable, small line air/gas flow meters and aid/gas/liquid flow switches combine state-of-art electronics technology with application fluid-matched flow sensors and laboratory calibration in rugged packages designed for the most demanding plant operating environments.


Thermal flow sensor technology developed by FCI relies on the relationship between flow rate and the cooling effect. With no moving parts and minimal invasiveness, these meters and switches provide a highly repeatable, accurate, low cost, easy-to-install solution and there’s virtually no maintenance required over a long life.


FCI’s ST75 Series Air/Gas Flow Meters are ideal for lines sizes from 0.25 (6mm) to 2 inches (51mm). Gas or air measurement accuracy is available up to 1% of reading, ±0.5% full scale. The ST75 Meters feature a wide 100:1 turndown and will measure from 0.01 to 559 SCFM [0,01 to 950 NCMH].depending on pipe size.


The meter’s electronics are housed in a rugged, IP67 rated enclosure with dual conduit ports in either NPT or M20 threading. The instrument comes standard with dual 4-20 mA outputs and a 500 Hz pulse output. The models ST75A and ST75AV include HART as well as NAMUR compliant 4-20 mA outputs and a SIL compliance rating and 2 year warranty. Global agency approvals for Div.1/Zone 1 HazEx installations include FM, FMc, ATEX, IECEx, EAC and more.


The best-in-class ST100L Air/Gas Flow Meter is a next generation instrument that combines feature- and function- rich electronics with advanced flow sensors. It is designed in a spool piece configuration in 1-, 1.5- or 2-inch tubing, schedule 40 and schedule 80 piping. It measures air/gas flows from 0.0062 to 1850 SCFM [0.01 to 3,140 Nm3


/h] with superior accuracy to ±


0.75% reading, ± 0.5% full scale; and repeatability of ± 0.5% reading.


Whether the plant’s output needs are traditional 4-20 mA analog, frequency/pulse or advanced digital bus communications such as HART, Foundation Fieldbus, PROFIBUS, or Modbus, the ST100L is available with any of them. Its digital bus communications also are certified and registered devices with HART and Foundation Fieldbus.


Global approvals include: FM, FMc, ATEX, CE, CSA, IECEx, EAC, NEPSI and Inmetro. It SIL compliant and is an all-welded design to ensure no leakage when used with volatile gases like hydrogen.


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Flow Meter that Integrates with SignalFire Flow Totaliser as Part of a Wireless Flow Control System


AW-LAKE Company is pleased to introduce the TW Series Turbine Flow Meter for the most rigorous flow measurement applications. Ideal for use both on and off the oil field, the TW Series Turbine Flow Meter provides highly accurate (to ±1% of reading or better) and repeatable (0.1% repeatability) flow measurement of oils, water and some chemicals with a low cost of ownership.


Besides new installations, the meters or meter internals are cost effective and easy drop-in replacements to Kimray, NuFlo, Haliburton, Cameron and Blancett turbine flow meters in existing applications.


The TW Flow Meters are available in a wide range of sizes and easily integrated with the SignalFire Flow Totalizer as part of a wireless flow control system. Working together, the Flow Meter and Totaliser can measure, locally display and wirelessly transmit intelligent flow data to a Gateway for remote monitoring and control on a PC, PLC or other control system.


AW-Lake’s TW Series Turbine Meters are available in flow ranges from 0.6 to 5,000 gallons per minute and feature a 316 stainless steel construction, tungsten carbide rotor shaft and tight machining tolerances for excellent durability and long life. With working pressures up to 5,000 psi and fluid temperatures from -150º to 350° F, the TW Turbine Flow Meters are ideal for a variety of liquid flow applications such as: Chemical injection: turbine flow meters work upstream, midstream and downstream. Drilling applications: When packaged as a battery-powered solution, the TW Turbine Flow Meter is ideal for well drilling applications where the power for the drilling rigs originates from mobile generators. Fracking and Flowback: Metering of used and reclaimed water is a primary application for these turbines. The TW Turbine Flow Meter monitors the water as well as the chemicals used to treat the water. Natural Gas pipeline (midstream): The TW Series Turbine Flow Meter works in a variety of pipeline installations including those for metering stations, chemical injection, and offloading to smaller pipelines for delivery or truck loading stations.


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Ralston Instruments Introduces Long-term Pressure Logging Solution


The FieldLab Weatherproof Outdoor Enclosure replaces paper based pressure chart recorders with a digital solution. Instead of changing charts every week or month these can log for 3 months at a time or longer before data needs to be collected. Users can download data less frequently and have it all stored reliably onboard the FieldLab in a weatherproof enclosure. The frequency of datalogging can be selected using the FieldLab Desktop software then the FieldLab is deployed into the field to collect data until it is collected.


This is an excellent solution for remote locations where setting up a SCADA, satellite or cell based network is either impractical or not cost effective. Especially in areas such as wellheads or gas gathering lines in oil and gas applications where monitoring is needed and access is limited.


This can be quickly deployed for monitoring events such as low water pressure in water distribution, hydrostatic testing or anywhere where pressure needs to be monitored for anywhere from a day to a few months to determine the cause of some problem.


The FieldLab comes in ranges from 5 to 10,000 psi and has a datalogging capability of 2 million data points. The weatherproof enclosure is NEMA 4X and the solar panel and pole mount option allows the unit to be installed permanently.


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The new FieldLab with Outdoor Enclosure


for applications where a permanent or long-term pressure recording solution is required


• Pressure ranges up to 10,000 PSI


• 2 million data points of logging capacity — log a point every minute for 3.8 years


• Solar panel option will keep the device powered indefinitely • Fully temperature compensated range of -10 to 50° C • Excellent for use in hazardous locations


This is an excellent solution for applications such as:


• Recording pressure at the wellhead in remote locations or where SCADA or cell systems are not practical


• Monitoring pressure during hydrostatic testing — where construction equipment, mud and weather are an issue


• Replacement of pressure chart recorders in oil and gas applications — anywhere that pressure monitoring is needed


Visit ralstoninst.com/pin or scan the QR code to find out more +1-440-564-1430 | (US/CA) 800-347-6575


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