SIL-2 Rated Flow Meters for Compressed Air & Natural Gas Flow Measurement

Editor: Ahlam Rais

The new FS10i Flow Meter Series from Fluid Components International (FCI) is claimed to be the only SIL-2 (Safety integrity level) rated thermal flow meters in their class. The Flow Meter Series boasts of numerous advantages which helps in the accurate measurement of air, compressed air and natural gas across industrial and commercial plant operations. Thus, improving productivity and quality while reducing energy and other costs at the same time.

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Providing direct mass flow measurement, the FS10i flow meters require no additional pressure or temperature sensors or other components to infer flow measurement.
Providing direct mass flow measurement, the FS10i flow meters require no additional pressure or temperature sensors or other components to infer flow measurement.
(Source: FCI)

The FS10i Flow Meter Series is an economical and easy to install solution to measure the flow rate of air and natural gas. Its small, compact size, plug-in wiring and inline or insertion style threaded connection into the piping ensures quick and effective installation, states the company. The versatile Flow Meters are designed for applications that include air compressors efficiency and leak detection, blowers, boiler and burner air and gas fuel feed lines, calciners, clean room air exchange assurance, engines, furnaces, kilns, ovens, paint and sprayer booths, packaging equipment, and plant or campus sub-metering systems.

Providing direct mass flow measurement, the Flow Meters require no additional pressure or temperature sensors or other components to infer flow measurement. Their sealed and no-moving parts sensor does not foul or clog, and requires no routine maintenance that ensures years of trouble-free, continuous operation, mentions the company. Independently evaluated SIL 2 certification as an HFT0 device makes them the optimum choice for safety instrumented system (SIS) critical processes.

Utilizing decades-long, applications-proven thermal dispersion flow sensing technology, the Flow Meters provide a fluid matched, calibrated and linearized 4-20mA output of flow rate, and a user programmable high or low flow alarm/trip point with a 1A SPDT relay output. For visual indication, the Flow Meters include a 10-segment LED array. This display illuminates proportionally to the flow rate and flashes if an alarm trip occurs.

The Flow Meters are available in both in-line and insertion style configurations to support installation in line sizes from 1 inch to 20 inches [DN25 to DN500]. They operate over a wide, 100:1 turndown from 1 to 400 SCFM (1,6 to 122 NCMH) depending on the fluid media and line size. Their 316L stainless steel wetted parts ensure superior corrosion resistance in the pipe, opines the firm. An aluminum housing, and protective, rubber boot surrounding the display area make the FS10i suitable for installation in demanding, IP 64/65/66 locations. The FS10i also carries global approvals: FM, FMc, ATEX, IECEx, and EAC/TR CU (Div 2) and Zone 2/Zone 22 installations.

The versatile Series is suitable for use in a wide range of flow metering applications in manufacturing and process industries, and in their OEM’s, including automotive, machinery and equipment, electronics, metals, glass, chemical, electric power generation, food/beverage, mining, pharmaceuticals, pulp/paper, and more--wherever air, compressed air, or natural gas is being produced or consumed.

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