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DigitalFlow GF868 Ultrasonic Flow Meter

Flare Gas Mass Ultrasonic FlowMeter

The DigitalFlow GF868 ultrasonic flowmeter uses the patented Correlation Transit-Time™ technique, digital signal processing, and an accurate method of calculating molecular weight. Add to these features the inherent advantages of ultrasonic flow measurement reliability with no routine maintenance, high accuracy, fast response, wide rangeability, and the GF868 flowmeter is the clear choice for flare gas applications.

The GF868 is a highly versatile, high-performance flowmeter capable of many configurations with a large display and ample space for complicated wiring. Several options exist for I/O, including the ability to handle two flare lines with one box.  

Applications

The DigitalFlow GF868 flowmeter is a complete ultrasonic flow metering system for:

  • Flare gas
  • Track down or prevent losses from leakage with positive material identification
  • Account for total plant throughput of material
  • Reduce cost of steam and fuel usage with proportional control
  • Conserve energy by eliminating unnecessary flaring
  • Comply with government regulations for pollution control
  • Vent gas
  • Hydrocarbon gases
  • Biogases
  • Digester gases

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  • Product Features
  • Technical Specs
  • Measures velocity, volumetric and mass flow
  • Standard velocity range to 100 m/s (328 ft/s) standard
  • Extended velocity range to 120 m/s (394 ft/s)*
  • Measures instantaneous average molecular weight
  • Measures Net Heating Value (NHV) of vent gas in BTU/SCF, MJ/m3, or KJ/m3
  • Measures hydrocarbon gases
  • Self-calibration check assures accurate worry-free operation
  • Delivers accurate flow rate, independent of gas composition
  • Measures very low to very high velocity, 4000 to 1 turndown ratio
  • Field-proven installation techniques
  • Built-in totalizers
  • Built-in power supply for pressure and temperature transmitters
  • 4000 to 1 turndown ratio
  • One or two channel/path configurations

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I just wanted to let you know your team went above and beyond. I requested a replacement valve that needed to meet our new requirements. Dave and James produced a valve that met all my needs. Without the need for a pipe modification. Which will help us with keeping the down time of the equipment low. There was an issue that caused this valve to be needed by Wednesday. These two individuals jumped through hoops to make sure I will have the valve by Wednesday. They also have a backup valve option just in case. The hard work and reassurance helped me convey to my management that your team is crucial to our success. I appreciate everyone that helped.
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