Underground gas storage
Flow measurement of natural gas during injection and withdrawal on an underground gas storage facility
Underground gas storage: injection and withdrawal flow measurement
At an underground gas storage facility, the flow measurement of natural gas during injection and withdrawal is crucial for safe and efficient operation. As part of a renovation program, superior replacements for unreliable flow meters were sought. The flow metering solution would need to deliver accurate and reliable flow measurement, and be capable of withstanding the high-pressure conditions experienced in gas storage operations.
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Product Solutions
The Flexim FLUXUS G722 gas flow meter is a high performing ultrasonic clamp-on meter specifically designed for measurement of dynamic flows in the process industry. This sophisticated, versatile, and accurate flow meter has everything you need - faster processing capabilities, advanced diagnostics, bidirectional communication protocols, digital outputs, and process inputs. The G722 offers ease of installation, retrofittable design, accuracy, and outstanding performance. Using the new Synchronized Channel Averaging method (SCA), the G722 ultrasonic flow meter sends signals both in the direction of the flow and against the flow every 1millisecond.
- Accuracy and repeatability - exceptional reliability and accuracy at high and low flows due to matched, calibrated and temperature compensated transducers, advanced signal processing capabilities and diagnostics.
- Easy installation without process interruptions - An externally mounted system means no need for process interruptions or additional engineering costs.
- Maintenance Free - No contact with flowing media results in a completely maintenance free and durable metering solution suitable to withstand the harshest environments.
Fluid type
All gases
Accuracy
Measurement uncertainty of the measuring system (volumetric flow rate): ±0.3 % of reading ±0,005 m/s (±0.02 ft/s)
Measurement uncertainty at the measuring point (volumetric flow rate): ±1…2 % of reading ±0,005 m/s (±0.02 ft/s)
Measurement uncertainty at the measuring point (volumetric flow rate): ±1…2 % of reading ±0,005 m/s (±0.02 ft/s)
Repeatability
0.15 % of reading ±0,005 m/s (±0.02 ft/s)
The Flexim FLUXUS G831 gas flow meter is a high-performing ultrasonic clamp-on meter specifically designed for measurement of dynamic flows in the process industry. This sophisticated, versatile, and accurate gas flow meter has everything you need - faster processing capabilities, advanced diagnostics, bidirectional communication protocols, digital outputs and process inputs. The G831 offers ease of installation, retrofittable design, accuracy, and outstanding performance. ATEX, IECEx Zone 1 and FM Class I, Div. 1 approved, including explosion proof housing, compact design, and the corrosion resistant transducers, the system’s mechanical stability and permanent contact with the pipe surface is assured.
- Bi-directional flow measurement of liquids and gases
- Cost effective: No pipe work, no process shut-down, maintenance-free
- Zero-point stable and drift free - Carefully matched and temperature compensated transducers (fully ANSI / ASME compliant)
Fluid Type
All gases
Accuracy
Measurement uncertainty of the measuring system (volumetric flow rate): ±0.3 % of reading ±0,005 m/s (±0.02 ft/s)
Measurement uncertainty at the measuring point (volumetric flow rate): ± 1…2 % of reading ±0,005 m/s (±0.02 ft/s)
Measurement uncertainty at the measuring point (volumetric flow rate): ± 1…2 % of reading ±0,005 m/s (±0.02 ft/s)
Repeatability
0.15 % of reading ±0,005 m/s (±0.02 ft/s)
