Precautions for installation of metal tube rotor flow meter

Abstract: The information on the installation precautions of the metal tube rotor flowmeter is provided by the excellent flowmeter and flowmeter manufacturers and quotation manufacturers. In order to ensure the normal operation of the metal rotameter and achieve the required measurement accuracy, generally pay attention to the following points: 1. The metal rotameter must be installed vertically, the fluid flows through the flowmeter from bottom to top, and the verticality is better than 2, and the horizontal installation horizontal angle. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the details of the article on the installation precautions of metal tube rotor flowmeters. In order to ensure the normal operation of the metal rotor flowmeter and achieve the required measurement accuracy, the following points should generally be noted: 1. The metal rotor flowmeter must be installed vertically, the fluid flows through the flowmeter from bottom to top, and the verticality is better than 2°, the horizontal angle is better than 2 when installed horizontally°; 2. The metal tube rotameter installed on the process pipeline should be bypassed so as not to affect the production during troubleshooting or purging; 3. If the medium contains ferromagnetic substances, a magnetic filter should be installed; 4. Metal rotor The inlet of the flowmeter should have a straight pipe section with a length of more than 5 times the pipe diameter, and the outlet should have a straight pipe section of 250mm to ensure the measurement accuracy of the instrument; 5. When used for gas measurement, the pipeline pressure should be ensured not less than 5 times the pressure of the flowmeter 6. The product generally does not need maintenance after the device is in normal operation. The fault mostly occurs when the device is just started. Because the pipeline is not cleaned cleanly, the float is stuck by solid particles. The pointer of the hour indicator stops at one position. At this time, the valves on both sides of the flowmeter should be closed first, then the upper flange should be removed, the float should be taken out for cleaning, and then reinstalled. Note that the tightening of the upper flange nut should be balanced and tightened, and the gasket should be well padded. 7 If the medium contains solid impurities, consider installing a filter between the valve and the straight pipe section; 8. If the temperature of the measured medium is higher than 220°C or When the temperature of the fluid is too low, crystallization is likely to occur, and when thermal protection measures are required, the jacket type should be selected for cooling or heat preservation; The instrument is installed and operated normally; 10. Since the instrument transmits signals through magnetic coupling, in order to ensure the performance of the instrument, ferromagnetic substances are not allowed to exist at least 250px around the installation; 11. In order to avoid the deformation of the flowmeter caused by the pipeline, The flange of the process pipeline must be coaxial with the flange of the flowmeter and parallel to each other, and the pipeline should be properly supported to avoid pipeline vibration and reduce the axial load of the flowmeter. The control valve in the measurement system should be installed downstream of the flowmeter; 12 , take special care when installing PTFE-lined instruments. Because PTFE will be deformed under the action of uneven pressure, the flange nuts are evenly tightened and symmetrical; 13. The instrument for measuring gas is calibrated under a specific pressure. If the gas is directly discharged to the atmosphere at the outlet of the instrument, it will be A pressure drop occurs at the float and causes data distortion. If this is the case, a valve should be installed at the outlet of the instrument; 14. For instruments powered by lithium batteries, try to avoid direct sunlight and high temperature environments during installation (≥65℃) so as not to reduce the capacity and life of lithium batteries. 15. For instruments with liquid crystal display, try to avoid direct sunlight on the display during installation, so as not to reduce the service life of the liquid crystal The above is the entire content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Precautions for Installation of Metal Tube Rotameter Meter'

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