Vortex flow meter advantages and key considerations for selection and installation

Abstract: The advantages of vortex flowmeter and the key considerations for selection and installation are provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Do you know the advantages of vortex flowmeter? Do you know how to choose a vortex flowmeter? What are the key considerations in the selection and installation of vortex flowmeters? If the flow meter is not properly selected, the flow must be measured inaccurately. But flow measurement is a complex technology, and there are many types of flow meters. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following are the advantages of vortex flowmeters and the details of the articles to be considered for selection and installation. Do you know the advantages of vortex flowmeter? Do you know how to choose a vortex flowmeter? What are the key considerations in the selection and installation of vortex flowmeters? If the flow meter is not properly selected, the flow must be measured inaccurately. But flow measurement is a complex technology, and there are many kinds of flow instruments. Even for a certain application, choosing a suitable flow instrument becomes a highly technical task, which requires careful and in-depth before making the final selection. Consider and weigh the many factors related to the measurement problem. Vortex flowmeter is a new type of flowmeter successfully developed based on the principle of Karman vortex flow. Because it has the advantages that other flowmeters cannot have at the same time, it has developed rapidly since the 1970s. According to reports, the proportion of vortex flowmeters used in developed countries such as Japan, Europe and the United States has increased significantly. It has been widely used in various fields and will dominate the future flow meters. It is an ideal substitute for orifice flowmeters. The advantages of the vortex flowmeter are explained in detail: ① The structure is simple and firm, without moving parts, and the 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; Proportional pulse signal, no zero drift, high precision, and easy to connect with computer; ⑤ Wide measurement range, range ratio up to 1:10; ⑥ Small pressure loss, low operating cost, and more energy-saving significance; ⑦ In a certain Reynolds The frequency of the output signal is not affected by the changes in the physical properties and components of the fluid, and the instrument coefficient is only related to the shape and size of the vortex generator. There is no need to compensate for the volume flow of the measured fluid, and there is no need to re-calibrate the instrument coefficient after replacing the accessories; ⑧ It has a wide range of applications, and the flow of gas and liquid can be measured; ⑨ The verification period is 2 to 4 years. The key considerations for the selection and installation of the vortex flowmeter: ① The vortex flowmeter is a kind of velocity flowmeter, and the stability of the vortex separation is affected by the flow rate, so it has certain requirements for the straight pipe section, generally 10D in the front and 5D in the rear; 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 limited by the change of medium compressibility, and the lower limit flow rate is limited by Reynolds number and sensor sensitivity. The steam is 8～25m/s; ④ Stress type vortex flowmeter is more sensitive to vibration, so when installing the flowmeter in a pipeline with large vibration, the pipeline must have certain damping measures; ⑤ Stress type vortex flowmeter adopts piezoelectric Crystals are used as detection sensors, so they are limited by temperature, generally -40 to +300 °C. Vortex flowmeters are susceptible to vibration interference. Well-designed vortex flowmeters can eliminate the interference through hardware and digital signal processing to obtain stable signals. Vortex flowmeter installation is a big hassle. It requires a long straight pipe section before and after the incident. Some manufacturers can provide the design of reducing the diameter inside the flowmeter, which greatly reduces the user's need for special vortex flowmeters to be equipped with straight pipe sections. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Advantages of Vortex Flow Meters and Key Considerations for Selection and Installation'

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