In my ongoing series on natural gas flow meter types, within this post, I discuss the gas turbine meter, which can measure natural gas in industrial and commercial billing applications.

Natural Gas Flow Meter Types | Gas Turbine Meter Reviewed
In Part V of my series on natural gas flow meter types, I discuss the gas turbine meter used in industrial and commercial billing applications.

Gas Turbine Meter

The turbine flowmeter is considered one of the main traditional flowmeter technologies, as differential pressure types and positive displacement meters. They still are a favorite device used to measure gas flow, particularly for a clean, medium-to-high steady flow of low-viscosity fluids. The turbine meter measures volumetric flow based on fluid flowing past a free-spinning rotor, with each revolution agreeing with a specific volume of fluid. Turbine meters are used for the measurement of liquids as well as natural gas flow.

In the market for a thermal mass flow meter?

Advantages

The turbine flow meter has certain cost advantages over other natural gas flow measurement options, particularly those reluctant to invest in new technology. They are also significantly less expensive, particularly in large pipe sizes than the ultrasonic meter and the Coriolis meter. There are additional cost advantages over DP meters, particularly in applications where a single-turbine meter can replace several DP meters.

The meters have high turndown and accuracy at a mid-to-high flow and medium rangeability at high pressure. An electronic output is also available. Additionally, this natural flow totalizer has reasonable industry acceptance.

Limitations

Certainly, the turbine meter has moving parts, which is always a limitation, and the user needs to consider the cleanliness of the gas. Some turbine meter manufacturers have improved the internal components to minimize these concerns, but having moving parts is still a disadvantage. Other improvements by manufacturers have included reduced pressure drop, bidirectional flow, and self-lubrication.

The meter requires initial laboratory flow calibration and relatively high-pressure loss. There is also the chance of damage because of over-speeding the meter.

Turbine Meter Manufacturers

Some of the gas turbine meter manufacturers are Honeywell Elster (American Meter), Emerson Process Management (Daniel), FMC Technologies (INVALCO), and (Dresser).

Natural Gas Flow Measurement

We are Sage Metering. We manufacture thermal mass flow meters, which measure and monitor gas mass flow. If you are interested in a different meter style, may I suggest that you learn more about the advantages of thermal mass flow measurement? Otherwise, here are other links to articles sharing the benefits and limitations of each technology:

5 thoughts on “Natural Gas Flow Meter Types | Gas Turbine Meter

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      lloyd Evans says:

      K. Thanks for visiting our blog. Sage is the manufacturer of precision thermal mass flow meters. If you are in the market for a turbine meter please check out one of the fine manufacturers listed on this post.

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    Hakmeen khan says:

    We have a inquiry of gas turbine meter having 4″ inch dia and 6″ inch dia total quantiry are 15 and all meters should have compatible Electronic Volume Corrector .
    Thank you

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    Sal says:

    I am interested in gas turbine meter for natural gas distribution network usage. can you kindly recommend some companies.

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    EDDY says:

    Existing natural gas distribution network is using Electromagnetic flowmeter. Future plan is to upgrade the system so a few types of meters are in consideration. How is turbine meter be more beneficial than EFMs? I am interested to know the pros and cons of taking into account of gas turbine meter type vs EFMs.

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