Small knowledge of gas turbine flow meter installation

Abstract: The small knowledge information of gas turbine flow meter installation is provided by excellent flow meter and flow meter production and quotation manufacturers. (1) The gas turbine flowmeter is a precision measuring instrument and must be handled carefully during transportation, storage and operation. (2) Before installing the flowmeter into the pipeline, tear off the adhesive tape at the inlet and outlet of the flange, and use the method of blowing to check whether the impeller rotates flexibly and smoothly. . For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the details of the article on the installation of gas turbine flowmeters. (1) The gas turbine flowmeter is a precision measuring instrument and must be handled carefully during transportation, storage and operation. (2) Before installing the flowmeter into the pipeline, tear off the adhesive tape at the inlet and outlet of the flange, and use the method of blowing to check whether the impeller rotates flexibly and smoothly. (3) Before the flowmeter is installed, especially when it is installed on a new pipeline or a repaired pipeline, the pipeline should be cleaned first to remove all slag, rust and other pipeline debris. (4) After the pipeline hydrostatic test, any liquid left in the pipeline will damage the internal parts of the turbine flowmeter. If hydrostatic testing is necessary, the turbine flowmeter must be replaced with a pipe section to ensure that no liquid remains in the upstream line of the turbine flowmeter after the hydrostatic test. (5) The flowmeter should be installed horizontally. Flow meters with lubrication systems should be installed with the opening of the lubrication bottle facing upwards. Nominal diameter DN≤The 200 gas turbine flowmeter can be installed vertically. When installing and using, the airflow direction should be from top to bottom. (6) In any case, a straight pipe section with the same nominal diameter as the nominal diameter of the flowmeter should be installed upstream of the turbine flowmeter, and the length is required.≥2DN; at the same time, a straight pipe section or elbow with the same nominal diameter as the flowmeter must be installed downstream, and its total length is required≥2DN. (7) The opening angle of the reducing or expanding pipe upstream of the inlet pipe of the gas turbine flowmeter shall not exceed 30°. . In order to ensure the gas policy delivery and facilitate the maintenance of the flowmeter, a bypass pipeline should be set on the installation pipeline of the flowmeter. (8) The gas turbine flowmeter should be pressurized and started slowly, and the impact load of rapidly opening the valve will usually damage the impeller. (9) If it is necessary to do welding work on the pipeline near the turbine flowmeter, the turbine flowmeter must be removed. Otherwise, the temperature of the perineal pipe will be too high, which will cause permanent damage to the flowmeter. (10) When installing the gas turbine flowmeter, pay attention to make the gas flow direction consistent with the direction indicated by the arrow on the watch case. Failure to install the gas turbine flowmeter will cause damage to the turbine flowmeter. (11) The pipeline must be free from vibration, the airflow in the pipeline must not have large pulsation and impurities, and there is no dust and liquid. The foreign matter entering the pipeline will seriously damage the turbine flowmeter. When it is expected that there may be damage to the flowmeter in the gas flow. In case of foreign matter, it is recommended to install a filter in the upstream pipeline of the turbine flowmeter. (12) For gas turbine flowmeters installed outdoors, appropriate protection measures shall be provided to prevent weathering. (13) It is recommended that the actual use flow of the gas turbine flowmeter should be 20% of the maximum rated flow of the flowmeter—within the 80% range. The gas turbine flowmeter allows short-time overload, but the actual maximum flow rate cannot exceed 20% of the maximum flow rate allowed by the gas turbine flowmeter, and the duration cannot exceed half an hour. (14) When installing the flowmeter, make sure that the connection between the inlet and the outlet of the turbine flowmeter is coaxially aligned, and the bolts are uniform in force, so as not to affect the sealing effect. In order to obtain accurate measurement results, it must be ensured that no seals protrude from the flange into the pipeline. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Gas Turbine Flow Meter Installation Tips'

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