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Energoflow GFE-202 and Energoflow GFE-201 are MID, ATEX certified state-of-art Ultrasonic Gas Flow Meters designed for accurate and reliable measurement of flow velocity, volumetric flow rate and volume of gaseous substances (gases) transported through pipelines in the forward or reverse direction. The flow meters are installed inline and supplied pre-calibrated on air or natural gas as per the customer's requirements. These flow meters can measure the flow velocity V of gas in a pipeline in both directions over a wide range - from 0.1 to 25.0 m/s (under order, special versions for measuring flow velocities up-to 35.0 m/s are available). They can be used for gas pressures as high as 160 bars and ambient temperatures from -60 up-to +70 deg. C. Besides, the flow meters provide all the traditional advantages of the pulse-time ultrasonic flow measurement technology – no pressure loss, no moving parts, easy servicing and simplicity of use.

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Energoflow GFA-202 Flow Meters can be used as part of metering units of gas distribution points, industrial enterprises and communal service installation. Flow meters are designed for use in continuous operating mode and require minimal maintenance. Flow meters can be included to the measurement networks and control systems. Flow meters has the protection marking "0ExiаIIBT4 Х " and can be installed indoors in explosions hazard zones. Flow meter consists of the electronic unit (EU) and flanged in-line section, having two pairs of inserted ultrasonic transducers as well as temperature sensor and pressure sensor.

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Four-channel Ultrasonic Gas Flow Meter Energoflow GFE-404 is MID certified 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 0.1 to 30 m / c. 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.

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Gas Meter HORN is designed to measure the volume of natural gas or degasified hydrocarbon gas for households and public utilities adjusting the measured gas volume, and displaying the amount of consumed gas on the meter indicator with the ability to transfer information to a centralized accounting system.

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Energoflow AG can provide services for turnkey installation of flowmetering and flowmonitoring systems for various applications. Taking into account the wide range of flowmetering solutions developed by us, we can offer the client systems incorporating the latest developments in technologies and data transfer for virtually all types of fluids and process conditions; be it communal water supply systems, leak detection systems for pipelines, custody transfer solutions for hydrocarbons you name it and we will do it. Beginning from design, our team works in close collaboration with the client to develop a tailor made solution exactly as per the client's requirements and executes the whole project to the client's utmost satisfaction. We can also provide economically optimized solutions for modernization, development and extension of already existing systems.


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Ringstrasse 28

4600 Olten - Switzerland


Company info

Key figures

  • Company headcount
    11 – 50


  • Year established
  • pages.epage-home.site-status
    Registered office
  • Main activity
    Manufacturer/ Producer

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  • Check Circle Outline icon Regional
  • Check Circle Outline icon National
  • Check Circle Outline icon European
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Activities of ENERGOFLOW AG

  • Flow meters
  • ultrasonic flow meters
  • gas flow meter
  • Calibration and proving rigs
  • Liquid Flow Metering
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