Installation and use of glass rotor flow meter

Abstract: The installation and use information of the glass rotor flowmeter is provided by the excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Rotameter, also known as rotameter, is often widely used in chemical, petroleum, light industry, medicine, environmental protection, Food and metrology measurement,. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the installation and use of glass rotor flowmeters. Rotameter, also known as rotameter, is often widely used in chemical, petroleum, light industry, medicine, environmental protection, Food and measurement, scientific research and other departments. However, in the application process, problems such as incorrect measurement results are often caused due to improper installation or use. A few points of view based on years of industry experience: Matters that should be paid attention to during installation 1. Before installation, the maximum allowable working temperature and pressure of the instrument must be verified, which cannot be lower than the maximum temperature and pressure of the fluid to be measured in the pipeline, and the scale range of the instrument conforms to the measured Fluid flow variation range. 2. The rotor flowmeter must be installed vertically. The fluid flows through the meter from bottom to top for measurement. 3. The rotameter is required to be installed in a place where there is no vibration and is easy to maintain, and has a reliable support, which cannot receive any tension or pressure from the pipeline. 4. When used for dirty fluid, the measured fluid may be mixed with oil particles, etc., and a filter must be installed upstream of the instrument. In particular, instruments with small diameters (below ф25mm) are very sensitive to dirt, and the problem of pre-meter filtering must be considered. When there may be ferromagnetic impurities in the measured fluid, a magnetic filter should be installed in front of the instrument. When measuring dirty fluids, the meter needs to be flushed frequently. 5. The upstream (inlet end) of the flow meter should have a straight pipe section 5 to 10 times the nominal diameter. Bypass piping next to the flowmeter is strongly recommended. 6. When the temperature of the measured fluid is greater than 70℃. The glass rotor flowmeter should be equipped with a protective cover to prevent the glass tube from bursting when exposed to cold. After the glass rotor flowmeter is installed, its upper and lower pipes should be firmly fixed with brackets. In order to prevent the weight of the pipeline from being added to the rotameter or violent vibration. 7. The pressure of the fluid to be measured must be stable. The unstable fluid pressure will cause the float to fluctuate and cannot be measured accurately. A buffer or a valuer should be installed upstream of the flowmeter. If the liquid to be measured contains air bubbles, a vent should be provided upstream of the flowmeter. Use of rotameter 1. The glass tube rotor flowmeter is a direct-reading instrument, and the tapered tube scale adopts a flowmeter with a flow scale scale. The flow value can be read directly according to the rotor height; 2. When the flowmeter is put into operation. The front and rear valves should be opened slowly to prevent the fluid from rushing to the rotor and damaging the glass tube. Then use the lower regulating valve to adjust the flow. When it stops working, first close the upstream valve, and then close the lower regulating valve. It is recommended to wrap a metal mesh around the flowmeter to enhance safety protection. If a bypass is installed, the bypass valve should be opened first, and then the instrument should be turned on, and the bypass should be turned off after the instrument is turned on. 3. Avoid sudden changes in the temperature of the fluid to be measured, sudden cold and hot, and also lead to freeze cracking of the glass tube. 4. If the flowmeter is found to be leaking, it is generally the failure of the sealing ring, which should be replaced in time. 5. When the cone tube and float seem to be stained, they should be cleaned in time. 6. Jack up and check the error of the flowmeter. Once the specified error is exceeded, please replace the float and the cone tube, or re-calibrate. 7. When the measured fluid and state (temperature, pressure) are inconsistent with the scale and state on the flowmeter, the displayed value of the measured fluid and state must be corrected to obtain the correct flow rate. 8. If it is a corrosive medium, be sure to choose a corrosion-resistant flowmeter. With the rapid development of industrial production. People's living standards are improving day by day, and correspondingly, higher requirements are put forward for the safe, reliable, economical and rational operation of water plant production. Therefore, the correct installation and use of the rotameter, the normal control flow, etc. is a must pay attention. Thirty-year-old brand has been pursuing service and quality, and has been striving to improve products, develop new technologies and new products, so that more people can use and maintain equipment more conveniently and safely. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Installation and use of glass rotor flow meter'

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