Advantages, selection and installation and maintenance of vortex flowmeter

Abstract: The advantages, type selection, installation and maintenance information of vortex flowmeters are provided by excellent flowmeter and flowmeter manufacturers. Vortex flowmeter is a new type of flowmeter successfully developed based on the principle of Karman vortex flow. It is characterized by small pressure loss, large measuring range and high precision. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the advantages, selection, installation and maintenance of vortex flowmeters. Vortex flowmeter is a new type of flowmeter successfully developed based on the principle of Karman vortex street. It is characterized by small pressure loss, large measuring range, high precision, and is almost not affected by parameters such as fluid density, pressure, temperature, viscosity, etc. when measuring the volume flow of the working condition. Because the vortex flowmeter has advantages that other flowmeters do not have, it has developed rapidly since its inception. According to statistics, the proportion of vortex flowmeters used in Japan, Europe and the United States and other developed countries has increased significantly, and it has been widely used in various fields. From this trend, the vortex flowmeter will dominate the future flow meters, and it is an ideal substitute for the orifice flowmeter. Long-term operation is very reliable; 2. The maintenance is very convenient, and the installation cost is low; 3. The sensor does not directly contact the medium, with stable performance and long life; Computer networking; 5. The measurement range is wide, the range ratio can reach 1:10; 6. The pressure loss is small, the operating cost is low, and it is more energy-saving; 7. Within a certain Reynolds number range, the output signal frequency is not affected by the physical properties of the fluid Influenced by the change of components, the instrument coefficient is only related to the shape and size of the vortex generator. There is no need to compensate the volume flow of the measured fluid, and there is no need to re-calibrate the coefficient of the instrument after replacing the accessories; 8. Wide application range, the flow rate of gas and liquid can be Measurement; 9. The verification period is 2 to 4 years. Vortex flowmeters have many advantages and are also suitable for flow measurement requirements in various working conditions. There is a lot of knowledge in the selection and installation of vortex flowmeters. When people choose and install a vortex flowmeter, they should focus on the following aspects: 1. Since the vortex flowmeter is a velocity type flowmeter, the stability of the vortex separation is affected by the flow rate, so it has a certain effect on the straight pipe section. 2. When measuring liquid, the upper limit flow rate is limited by pressure loss and cavitation, generally 0.5~8m/s; 3. When measuring gas, the upper limit flow rate is changed by the compressibility of the medium Limit, the lower limit flow rate is limited by the Reynolds number and the sensitivity of the sensor, the steam is 8 ~ 25m/s; 4. Since the stress vortex flowmeter is more sensitive to vibration, when the flowmeter is installed in a pipeline with large vibration, the pipeline must have certain 5. Since the stress-type vortex flowmeter uses piezoelectric crystals as detection sensors, it is limited by temperature, generally -40 to +300 °C. In addition, many troubles in the installation of vortex flowmeters are that long straight pipe sections are required in the front and rear, which will increase the installation cost of users and is also easily limited by the site. However, there are already some manufacturers that can provide the design of reducing the diameter inside the flowmeter. This design greatly reduces the user's need for special vortex flowmeters to be equipped with straight pipe sections, thus saving a lot of installation costs for enterprises. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Advantages, Selection and Installation and Maintenance of Vortex Flow Meters'

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