GFE 404

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GFE 404

Product Description

These are four channel ultrasonic gas flow meters with a proven track record, traditionally used for custody transfer applications. The typical accuracy of measurement is 0.3% or better after calibration at process conditions.

These flow meters have the following EU certifications : Directive 2014/34/EU (ATEX); 2014/68/EU (PED) and 2014/32/EU (MID).

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Four-channel Ultrasonic Gas Flow Meter Energoflow GFE-404 is MID certified, ATEX specially designed for applications where very high accuracy is required, e.g. for custody transfer measurement of natural gas. The standard version provides an accuracy of 0.5%, flow meters with an accuracy of 0.2% can be supplied under order. Ultrasonic Gas Flow Meter Energoflow GFE-404 certified to OIML R137 class 0.5 by PTB.

The flow meters provide accurate and reliable measurement of the gas flow rate in the pipeline in both directions within the range from 0.15 to 40 m/s. The flow meters are available in a wide range of sizes.

The flow meters are pre-calibrated on air as per customer’s requirements, pre-calibration on natural gas is provided under special order.

Energoflow GFE-404 C can be accessed remotely via PC. Using special software, it is possible to display the following data as per customer’s choice:
Measurement results of direction and speed of gas flow, current flow, accumulated total volume;
The waveform of the signal passing through the acoustic channel;
Configuration options and settings of the flow meter;
Clock readings and calendar;
Archive data.

The meter components have input/output intrinsically safe circuits of “ib” level and are marked as
explosion-proof

PCU-6.5 – II (2)G [Ex ib Gb] IIB
EU – II 2G Ex ib IIB T4
EAT – II 2G Ex ib IIB T4

Functionality of the meters:

• measurement of volumetric gas flow rate;
• measurement of gas volume by cumulative sum separately for the forward and reverse direction;
• display of values of the current gas flow rate and of the cumulative volume on the indicator (if LCD
and EU are available);
• formation of pulse signals for measurement systems, correctors, flow computers and data acquisition
systems;
• archiving values of cumulative volume in the non-volatile memory;
• automatic control of emergencies and failures, as well as recording their types and duration into
relevant logs;
• protection of the archive data and setup parameters against unauthorized access;
• output of measurement, diagnostic, reference and archive information to external devices via the
RS-485 interface by direct connection to EU or via the RS-232 or RS-485 interfaces when a PCU-6.5
is used.

TECHNICAL CHARACTERISTICS:

Flow velocity, m/s	Inner Diameter (DN), mm	No. of Measurement Channels	Maximum pressure, MPa	Accuracy, %
0.15 to 40	150; 200; 250; 300; 400;	4	1.6; 6.3; 10.0; 16.0	±0.5 (0.2)

DN mm	Actual flow rate [m ³ /h]			Actual flow rate [ft ³ /h]		Max. Velocity*
DN mm	Qmin	Qt	Qmax ¹	Qmin	Qmax ¹	[m/sec]	[ft/sec]
100	4.0	33	1000	–	–	–	–
150	10	80	2500	353	88 286	50	164
200	17	125	4000	600	141 258	45	148
250	26	200	6500	918	229 545	40	131
300	40	325	10000	1412	353 146	33	108
400	67	500	16000	2366	565 034	33	108

We are a Swiss company devoted to design, engineering and manufacture of flow-metering solutions and related products based on the modern ultrasonic technology

Head office
"Energoflow AG"
Ringstrasse 28, CH-4600 Olten, Switzerland

Developed in GLOBUS.studio

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GFE 404

TECHNICAL CHARACTERISTICS:

Head office "Energoflow AG" Ringstrasse 28, CH-4600 Olten, Switzerland

Get in touch

Head office
"Energoflow AG"
Ringstrasse 28, CH-4600 Olten, Switzerland