Heavy

Oct 04, 2023

The ST51A Biogas Flow Meter from FCI combines superior measurement accuracy with high reliability and dependability in corrosive gases.

Organic waste such as food or meat processing plants, fermentation systems for dairy products or wineries and breweries, as well as on-farm manure, and sewage treatment plants, is often digested under anaerobic conditions in reactor tanks. The output is valuable biogas, which is measured with flow meters to support green co-gen energy systems or for disposal by flaring.

Organic waste creates a potent mixture of combustible methane (CH4), carbon dioxide (CO2), water and trace levels of corrosive hydrogen sulphide (H2S), gas is problematic for many flow measuring technologies.

The combustible properties of CH4 gas require HazEx safety approvals. In addition, the corrosive, sticky nature of the H2S particles affects the performance and can clog many flow sensors, leading to frequent, labour-intensive cleanings.

With its no-moving parts thermal dispersion gas mass flow sensor, the ST51A Biogas Flow Meter is designed specifically for dirty, potentially hazardous biogas processes. It provides system operators with highly accurate and repeatable mass flow measurements to facilitate system control, log gas production data and provide mandated safety and environmental reporting information.

It comes standard with rugged 316 stainless steel body construction and Hastelloy-C22 thermal sensors. It features a no-moving parts, non-clogging design which eliminates the need for constant cleaning under wet, dirty biogas conditions. The ST51A meter carries the CE mark and is available with Div.1/Zone 1 Ex agency approvals of FM, FMc, ATEX and IECEx.

Additionally, it has been independently verified to meet International Electrotechnical Commission’s (IEC) standard IEC 61508 for Safety Integrity Level (SIL-1) rating. With all these pedigrees and verifications, FCI is further able to extend a full 2-year warranty to all customers.

This meter’s advanced electronics are housed in a durable NEMA 4X, IP67 dust/water ingress protected all-metal (aluminium or 316L stainless steel) enclosure with dual conduit ports in either NPT or M20 threading.

The transmitter can be integrally mounted with the flow element (probe) or can be remote mounted for installation flexibility. The instrument comes standard with dual 4-20 mA, NAMUR NE43 compliant outputs and a 500 Hz pulse output.

Company: AMS Water Metering Pty Ltd

Phone: 03-8577 8000

Website: www.amswatermetering.com

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