Rugged Multi-Point Flow Meter Has A Thick Skin When It Comes To Abrasive Air/Gas Environments

Description

Process engineers looking for a rugged instrument to measure complex stack gas flows precisely in accordance with clean air regulatory requirements will find the intelligent MT91 Multi-Point Mass Flow Meter from Fluid Components International is available with a tough chromium-carbide coating that protects it from dirty, abrasive and hot particulates for trouble-free, cost-effective operation over a long service life.

In petrochemical refining, coal-fired electric power generation, steel manufacturing and many other industrial processes, hot waste gas flows must be continuously monitored, treated and reported to meet government clean air requirements and to ensure process efficiency. Flow meters are placed directly in the stack where dirty, abrasive particulates may cause wear to the flow sensor element assembly, which over time can degrade measurement accuracy or excessive repairs.

FCI’s MT91 Multi-Point Mass Flow Meter is designed specifically for rugged CEMS pollution control applications. The combination of FCI’s no-moving parts thermal mass sensor technology and its chromium carbide coated sensor assembly delivers superior flow measurement reliability with virtually no maintenance over years of service for an exceptionally low life-cycle cost. This includes high temperature environments up to 850?F (455°C) in large line sizes greater than 24 inches.

MT91 flow meters are highly versatile, with a wide turndown range available from 5:1 to 100:1 and flow sensitivity from 0.25 to 150 SFPS (0.08 to 45.7 NMPS). With its smart digital flow transmitter and advanced thermal dispersion technology flow sensing element, the MT meets federal environmental requirements for CEMS, CFR40, Part 75.

With up to 16 independent thermal mass flow sensor arrays designed into a variable probe length assembly, the MT91 Flow Meter is ideal for applications in the oil/gas, chemical, electric power, steel and other heavy manufacturing industries. It also provides excellent flow measurement inside large line sizes of combustion or pre-heater systems, HVAC units, ducts or flue stacks, where unstable thermodynamic conditions make other flow meter techniques ineffective.

With no orifices to plug or foul, the MT91’s flow sensor incorporates a fully temperature-compensated design that is highly stable with almost no drift for excellent repeatability. The sensor assembly is available with flanged, threaded and retractable process connections with a NEMA/CSA Type 4X (IP66) junction box and installed at the desired location with a choice of popular process connections.

The smart flow transmitter for the MT Series features a powerful microprocessor-driven design for superior signal processing and data collection. This design includes a user-friendly menu-driven interface with LCD screen and keypad for programming the control, monitoring, display and driver/alarm functions. A nonvolatile EEPROM chip stores applications and calibration data, and protects this data in the event of a power disturbance.
The electronics package is connected remotely by cable to the flow element assembly up to 1000 feet (304m) away. RS232C and HART communication ports offer easy links with controllers or other field devices. Signal outputs available are 4-20 mA, 0-5 Vdc, 1-5 Vdc, and 0-10 Vdc.

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

Specs

• Flow Range - 0.25 to 150 sfps [0.08 to 46 nmps] • Flow Accuracy - ± 2% of reading or ± 0.2 sfps [± 0.06 nmps] • Temperature Accuracy - From 32° to 212° F [0° to 100° C]: ± 0.9° F [± 0.5° C], < 32° and > 212° F [< 0° and > 100° C]: ± 1.8° F [± 1° C] • Operating Temperature Standard - -50° to +350° F [-45° to +177° C]
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