FCI announces enhanced ST51 series of thermal mass flow meters for landfill gas flow measurement | Automation.com

FCI announces enhanced ST51 series of thermal mass flow meters for landfill gas flow measurement

January 032018
FCI announces enhanced ST51 series of thermal mass flow meters for landfill gas flow measurement

January 3, 2018 —Designed for process and plant engineers challenged with measuring wet dirty mixed gases in solid waste operations with co-generation electric power systems, the enhanced ST51 Series Thermal Mass Flow Meter from Fluid Components International (FCI) is designed to provide continuously accurate measurement of landfill gas flow to the co-gen electric power engines.

Accurate measurement of the landfill gas flow throughout the system provides operators with information on the amount of gas being extracted for optimizing effectiveness, for reporting to environmental agencies and for carbon credit programs. Accurate flow measurement requires performance under challenging application conditions such as: wet and/or dirty gas, mixed composition gases, potentially explosive installation environments, wide variations in flow rates, seasonal swings in gas and ambient temperatures, and designed for larger line sizes.

FCI’s ST51 Flow Meter is designed for solid waste landfill gas flow measurement.  It features a thermal dispersion flow sensor available in an insertion-style package that has been developed for use in pipe diameters from 2.5 to 24 inches [63 to 610 mm].  It is specifically designed for the flow measurement of methane-based gases such as biogas, digester gas, landfill gas, natural gas, and for air, compressed air or nitrogen.

The ST51 Flow Meter from FCI is an insertion style instrument that can be installed into the pipe via a 0.5 or 0.75 inch NPT compression fitting.  It features a measurement range from 0.3 to 400 SFPS [0.08 to 122 MPS] with turndown ratio of 100:1 and with accuracy of ±1 percent reading, ±0.5 percent full scale.  Depending on the chosen configuration, they are suitable for process temperatures from up to 250°F (121°C)  to 350°F (177°C) and pressures from 150 psig [10 bar(g)] to 500 psig [34 bar(g)].

Designed with a no-moving parts non-clogging thermal mass flow sensor, the ST51 Meter features precision, lithography structured platinum RTD sensors embedded in FCI’s equal mass small diameter, all metal thermowells. 

The ST51 Meter’s electronics are housed in an 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.

Optional features available include HART as well as a higher process temperature service range, NAMUR compliant 4-20 mA outputs and a SIL compliance rating. The transmitter/electronics can be integrally mounted with the flow element (probe) or be remote mounted to best match the installation requirements.

About FCI

Fluid Components International is a global company committed to meeting the needs of its customers through innovative solutions for the most challenging requirements for sensing, and measuring flow, pressure and temperature of gases.
 

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