How to ensure the accuracy of gas turbine flow meter

Abstract: The information on how to ensure the accuracy of gas turbine flowmeters is provided by excellent flowmeter and flowmeter manufacturers. Gas turbine flowmeter has the advantages of high sensitivity, good repeatability, wide range ratio and high precision, and has been widely used in natural gas trade settlement and measurement, and even as a standard instrument for value transmission. With the full development of my country's urban gas projects as well. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the article details on how to ensure the accuracy of gas turbine flowmeters. Gas turbine flowmeter has the advantages of high sensitivity, good repeatability, wide range ratio and high precision, and has been widely used in natural gas trade settlement and measurement, and even as a standard instrument for value transmission. With the full development of my country's urban gas projects and the continuous improvement of the requirements for gas commercial trade and handover measurement, the gas turbine flowmeter has gradually become one of the preferred instruments for my country's urban gas commercial trade and handover measurement. Gas turbine flowmeter is a kind of velocity flowmeter, which uses gas to drive the flowmeter impeller to rotate, and the speed of impeller rotation is proportional to the volume flow of fluid. The pulse signal proportional to the volume flow is calculated to obtain the volume flow. Its measurement accuracy is high, and the accuracy level can reach 1.0 and 1.5; the range ratio is wide, generally 1:20, and the measurement range is wide; the structure is compact and lightweight, easy to install and maintain. . Turbine flowmeters also have the following disadvantages: there are moving parts, which are easy to be damaged, the bearings of key parts are easy to wear, and the anti-fouling ability is poor. The reasons for the error include: the quality of the meter itself, unreasonable design and selection, improper installation, improper maintenance during operation, etc. How to control the error? Correctly determine the location and specifications of the flowmeter. Due to the existence of the turbine inertia of the turbine flowmeter, it is not suitable for use in occasions with frequent flow fluctuations, otherwise the measurement accuracy will be reduced. To more accurately estimate the peak and valley value of gas consumption and the pressure of the medium, correctly determine the specifications of the flowmeter. A filter must be installed before the gas turbine flowmeter; the filter should be kept unobstructed. If the filter is found to be blocked (it can be judged by the pressure difference between the inlet and outlet of the filter), the filter should be cleaned in time. Clean once a month. It is necessary to ensure the requirements of straight pipe sections, especially if there is a reduced diameter or half-open valve in front of the meter. During installation, the gasket shall not protrude into the pipeline, and there shall be no obvious deviation between the flowmeter and the axis of the pipeline, and installation stress shall not be generated. When installing, be sure to clean up all impurities in the pipeline to prevent the bearings and turbine from getting stuck. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'How to Ensure the Accuracy of Gas Turbine Flow Meters'

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