Electromagnetic flowmeter DN50

Electromagnetic flowmeter DN50. Many friends will be curious when they use this product for the first time. What is the parameter of DN50? Let me first introduce the electromagnetic flowmeter DN50. When selecting an electromagnetic flowmeter, you must first determine what medium to measure, and then one of the parameters you need to understand at the beginning is the required diameter? DN50 represents this parameter, which refers to the diameter, and DN50 represents the nominal diameter. It is 50mm, that is, 2 inch tube, 16 in charge. This is a parameter that will be used in the selection of electromagnetic flowmeters.　　Electromagnetic flowmeter is a flowmeter that performs flow test according to Faraday's law of electromagnetic induction. The advantage of the electromagnetic flowmeter is that the pressure loss is extremely small and the measurable flow range is large. The ratio of the maximum flow to the minimum flow is generally above 20:1. The applicable industrial pipe diameter range is wide, up to 3m. The output signal and the measured flow are linear, and the accuracy is high. It can measure the conductivity ≥5μs/cm Fluid flow of acid, alkali salt solution, water, sewage, corrosive liquid and mud, mineral pulp, paper pulp and so on. Widely used in petrochemical, iron and steel metallurgy, water supply and drainage, water conservancy irrigation, water treatment, sewage treatment stations (environmental sewage control, chemical sewage, electroplating sewage), papermaking (pulp), mud, medicine, food and other industrial and agricultural production company processes Flow measurement and control. Like other flowmeters, although the electromagnetic flowmeter has a measuring range ratio of 30:1, which is higher than that of vortex flowmeters and differential pressure flowmeters, it also has limitations. Many customers often use it when setting the meter. Compared with the water meter, I think it can measure very low flow velocity. Under normal circumstances, it can only measure 0.3m/s. The electromagnetic flowmeter is difficult to measure correctly if the flow velocity is lower than this. Therefore, it is necessary to clarify the flow range ratio at the beginning of the order. When ordering, it is not possible to order according to the original pipe diameter. It is best to set the gauge diameter according to your actual flow.　　 Electromagnetic flowmeter DN50 is a common parameter in the selection stage of electromagnetic flowmeter, but when choosing the caliber, many friends have to determine the caliber of the meter according to the actual flow, so in the early stage, we must understand the flow range clearly. Therefore, the caliber is determined according to this flow range, and the type cannot be selected according to the original pipeline caliber, so there will be errors.　　 Under what kind of flow rate will electromagnetic flowmeter DN50 choose this caliber? Let me introduce it to you. Under the condition that the range Q has been determined, the size of the flowmeter diameter D can be determined according to the range of the above-mentioned flow velocity V, and its value is calculated by the following formula: 　　Qu003dπD²V/4　　Q: flow rate (㎡/h) D: pipe inner diameter V : Flow rate (m/h)　　The range Q of the DN50 electromagnetic flowmeter should be greater than the expected maximum flow value, and the normal flow value should be slightly greater than 50% of the flowmeter's full scale scale.　　 The above is mainly to introduce the principle of electromagnetic flowmeter and the common use occasions of electromagnetic flowmeter and some mediums to be measured. The parameter of electromagnetic flowmeter DN50 is also introduced to you in detail above. DN50 is mainly the representative caliber, but when you choose the model, the main thing you need to pay attention to is that the caliber needs to be determined according to the flow range. The diameter of the original pipeline is selected. DN50 is a very common parameter requirement in Kaidi electromagnetic flowmeter, and its main caliber range is DN10-DN2000. If you don’t understand the selection parameters, you can provide you with professional one-to-one selection guidance. .

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