GFA 414

Third generation ultrasonic gas flow meters GFA 414 – for metering stations
Energoflow AG has launched a new range of ultrasonic meters – the four channel
GFA 414. These meters have all the mandatory EU certificates (MID, ATEX and PED) and
are recommended for custody transfer as well as flow monitoring applications. They can be
calibrated to accuracy 0.5% or better.
These meters have multiple features which make them ideal for replacing mechanical
gas flow meters, viz. :
– High Rangeability, the ratio Qmin: Qmax is 1:250
– Integrated PTZ flow correction feature with pressure and temperature measurement
– Integrated battery with life time not less than 5 years for fully autonomous operation
of the meter
– (12+/-3) VDC external power supply – compatible with renewable power sources
(solar cells, wind turbines etc.)
– Multiple combinations of outputs – HF / LF pulse, 4…20 mA, RS 485 serial port,
discrete outputs – for easy integration into new and existing SCADA networks
– Available for process pressures up to 25 MPa,
– Serially available line sizes (DN) : 80 … 600 mm ; larger sizes on order
– flange to flange size of meters is 3D – same as the corresponding mechanical meter
– Low cost – comparable to the cost of mechanical meter with similar flow rating and
with external PTZ corrector
The GFA series of ultrasonic gas flow meters can be supplied with pre-calibrated
straight runs and flow conditioner. Energoflow AG can also design and supply prefabricated
metering skids for various applications.