Selection method of flow meter in water industry

Abstract: The information on the selection method of flow meters in the water industry is provided by excellent flowmeter and flowmeter manufacturers. 1. The larger the diameter of the process pipeline, the smaller the pressure loss of the flow meter, the better. Generally, the method of reducing the local diameter of the pipeline is not used to increase the flow rate; 2. For newly designed and installed pipelines, generally select an appropriate flow rate. Because the flow rate of the fluid is too low, the port of the flow meter. For more flow meter manufacturers to select models and price quotations, you are welcome to inquire. The following is the details of the selection method of flow meters in the water industry. 1. The larger the diameter of the process pipeline, the smaller the pressure loss of the flow meter, the better. Generally, the method of reducing the local diameter of the pipeline is not used to increase the flow rate; 2. For the newly designed and installed pipelines, generally choose an appropriate flow rate. Because the flow rate of the fluid is too low, the diameter of the flow meter is large, and the investment of the corresponding meter increases. If the flow rate of the fluid is too high, it will cause a large loss of power pressure and increase the operating cost, which is uneconomical. However, when selecting the type, it is necessary to leave a flow margin for future expansion; 3. Due to the low flow rate of the fluid, the fluid Dirt in the pipe, sludge and scale after a long period of operation are easily deposited on the inner wall of the pipe and on the electrode. In the engineering design, the cleaning of the contact part between the instrument and the fluid should be considered; if the electromagnetic flowmeter cannot be cleaned and the electromagnetic flowmeter is selected, the scraper electrode can be used; 4. The measurement range of the instrument is required to be large. The flow of some water is very different at night and day, winter and summer, up to several times. Therefore, the flowmeter of these waters requires a particularly large range; 5. The protection level of the instrument is required to be high. Most of the large-diameter pipelines are buried underground to save investment and space. In the north, it is also necessary to prevent freezing. Therefore, the split flow sensor is mostly installed in the instrument well. Due to reasons such as rainwater, well wall leakage and pipeline leakage, the water level in the well often rises and the flow sensor is submerged. Therefore, this situation should be estimated in the design, and a submersible flow sensor, such as IP68 protection level, should be selected. At the same time, the instrument well should be treated with waterproof engineering. 6. Due to the difficulty in disassembly, transportation and installation of large-caliber flow meters, and the process does not allow flow interruption and shutdown, it is hoped that the meter can be dry-calibrated online. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Selection method of flow meter in water industry'

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