High pressure electromagnetic flowmeter

Generally, those who have some knowledge of electromagnetic flowmeters must know that high-pressure resistant electromagnetic flowmeters can be divided into several levels according to different pressure levels. At present, the conventional pipeline electromagnetic flowmeters on the market generally have the same pressure rating, which is mainly classified according to the caliber. Generally, they are like small calibers. For example, the electromagnetic flowmeters between DN10-DN150 can withstand pressure. 4.0MPA; The larger the caliber, the smaller the pressure it can withstand. For example, the pipeline between DN200-DN600 can withstand a pressure of 1.6MPA. Some large-diameter pipes, such as between DN700 and DN1200, can withstand a pressure of 1.0MPA. In addition, more pressure resistance and smaller pipe diameters need to be customized from the manufacturer, and ordinary distributors or agents cannot do it.　　 If you need to buy a high-pressure electromagnetic flowmeter, pay special attention to it, and be sure to find a real electromagnetic flowmeter manufacturer to order it. Because electromagnetic flowmeters are widely used in industrial occasions, the measured medium is basically some sewage, or chemical products, acid or lye, etc. If the quality of the electromagnetic flowmeter is not good enough on the spot and the high-pressure pipeline leaks, it will Will pose a great threat to human life safety.　　 In addition, for high pressure electromagnetic flowmeters, in addition to caliber and pressure rating, other selections are also very important.　　 First is the accuracy of the electromagnetic flowmeter. The accuracy of conventional electromagnetic flowmeters can generally be 0.5 or 1.0. The higher the accuracy, the more accurate the test and the smaller the error. This is especially important in some occasions that require industrial control.　　 followed by the lining and electrode of the electromagnetic flowmeter. The correct selection method of the lining material of the electromagnetic flowmeter should be based on the corrosiveness, abrasiveness and temperature of the measured medium. The lining material can be divided into polytetrafluoroethylene (F4/PTFE), chloroprene rubber (CR), and polyurethane rubber. (PU), Teflon (F46/FEP), copolymer (PFA) are mainly several kinds. The electrodes are divided into 316L stainless steel electrodes, titanium electrodes, Ha B electrodes, Ha C electrodes, tantalum electrodes, tungsten carbide electrodes and so on.　　 Another important selection factor is the temperature resistance class. The temperature resistance grade can be divided into three grades: T1/T2/T3. The temperature resistance grade is also related to the material of the lining. Generally speaking, CR/PU for ≤60℃; PTEP/FEP for ≤120℃; and PFA for ≤200℃.　　The rest is the selection of power supply mode and output signal. The commonly used power supply methods are 24VDC and 220AC, and lithium batteries can also be used for power supply. The output signal can be 4-20mA, RS485 output, pulse signal, HART output, etc. I believe that the editor has introduced so much, you must know the main points that need to be paid attention to when selecting a high-pressure electromagnetic flowmeter? If some readers think that so many parameters need to be confirmed, it is really troublesome to choose the model by yourself. . Then the editor suggests that you can search for some famous electromagnetic flowmeter manufacturers, such as Kaidi Sensing, etc. Their LDG-MIK series electromagnetic flowmeters are very useful, and they will have a dedicated engineer to help you choose options and quotes. Of it.
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