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GE Panametrics GF868-1-3EX-20A-14-0-0 DigitalFlow Ultrasonic Flare Gas Flowmeter
Product Brief Description
The GE Panametrics GF868-1-3EX-20A-14-0-0 is an explosion-proof single-channel ultrasonic flare gas flowmeter, designed for accurate bi-directional gas measurement in harsh hazardous industrial environments. Adopting transit-time ultrasonic measurement principle, this unit calculates volumetric flow, mass flow and real-time gas molecular weight without moving parts. The EX-rated construction complies with hazardous area certification, capable of handling fluctuating gas composition, pulsating pressure and wide turndown ratio for flare stack monitoring in refineries, petrochemical plants and offshore platforms.

Product Functions
- Transit-time ultrasonic technology for bi-directional flare gas velocity, volumetric and mass flow measurement
- Real-time calculation of average molecular weight for variable gas mixture composition
- Built-in totalizer for forward and reverse flow accumulation, supporting continuous emission data logging
- Accept external pressure and temperature sensor inputs to compensate flow for changing process conditions
- Multiple communication options including Modbus RTU / TCP for SCADA and DCS system integration
- Explosion-proof housing with self-diagnostic functions, alarm outputs for signal quality and system fault alerts
Application Scenarios
- Refinery and petrochemical plant flare stack gas emission monitoring and leak detection
- Offshore oil & gas platform flare gas measurement and environmental compliance reporting
- Chemical process plant waste gas, vent gas and flare gas mass balance monitoring
- Power plant and waste incineration flue / flare gas flow custody and emission control
- Industrial flare system upgrade and replacement projects for legacy ultrasonic flow meters
Frequently Asked Questions
Q: What is GF868-1-3EX-20A-14-0-0?
A: It is GE Panametrics DigitalFlow GF868 explosion-proof single-channel ultrasonic flare gas flowmeter, used to measure flare gas mass flow and molecular weight in hazardous zones.
Q: Why ultrasonic technology for flare gas?
A: No moving or clogging parts, ultra-wide turndown ratio, suitable for unstable, low or fluctuating flare gas flow conditions.
Q: What is the EX rating used for?
A: Explosion-proof certification allows installation in Class I hazardous gas areas for oil, gas and chemical sites.
Q: Can it measure variable gas composition?
A: Yes, it calculates real-time molecular weight to compensate flow readings when flare gas components change.
Q: Does this flowmeter support hot swap of electronics?
A: Isolate process gas and cut power before removing transmitter electronics in hazardous areas; hot swapping in explosive classified zones is prohibited.



