Skills and Tips for Quickly Installing Electromagnetic Flow Meters

Abstract: The skills and skills for quick installation of electromagnetic flowmeters are provided by excellent flowmeter and flowmeter manufacturers. What skills does the electromagnetic flowmeter have and how to install it quickly? 1. Installation of the sensor 1) When measuring mixed-phase fluid, choose a place that will not cause phase separation; when measuring two-component liquid, More flowmeter manufacturers select models and price quotations. You are welcome to inquire. The following are the details of the skills and techniques for quick installation of electromagnetic flowmeters. What skills does the electromagnetic flowmeter have and how to install it quickly? 1. Installation of the sensor 1) When measuring mixed-phase fluids, choose a place that will not cause phase separation; when measuring two-component liquids, avoid installing them downstream where the mixing is not uniform; when measuring chemical reaction pipelines, install them when the reaction is fully completed. 2) Avoid negative pressure in the measuring tube as much as possible; 3) Avoid large motors, large transformers, etc. nearby, so as not to cause electromagnetic field interference; 4) Avoid high concentrations of corrosive gases in the surrounding environment as much as possible; 5) Avoid direct sunlight as much as possible; 2. Requirements for installing straight pipe sections First of all, pay attention to the fact that the sensor itself cannot be used as a load support point, it cannot support the adjacent working pipeline, and the pipeline that clamps it should be load-bearing. In order to obtain normal measurement accuracy, there should also be a certain length of straight pipe upstream of the electromagnetic flow sensor, but its length is lower than that of most other flow meters. 90ºElbow, T-shaped pipe, concentric reducer, and a straight pipe section with a length of 5 times the diameter (5D) from the flange connection surface at the inlet end of the sensor after the fully open gate valve, and 10D for valves with different opening degrees; the downstream straight pipe section is ( 2～3) D; but it is necessary to prevent the butterfly valve from protruding into the measuring tube of the sensor. The lengths of upstream and downstream straight pipe sections proposed by various standards or verification regulations are also inconsistent, as shown in Table 2, and the requirements are higher than usual. This is because to ensure that the requirements of the current 0.5-level precision instrument are met. 3. Installation position and flow direction The axis of the measuring electrode must be similar to the horizontal direction; the measuring pipe must be completely filled with liquid; the front of the flowmeter must have a straight pipe section of at least 5xD (D is the inner diameter of the flowmeter), and the rear must be at least 3xD (D is the inner diameter of the flowmeter) straight pipe section; for easy installation and disassembly, pipe expansion joints can be installed behind the flowmeter. The flow direction of the fluid is the same as the arrow direction of the flowmeter; if there is a vacuum in the pipeline, it will damage the lining of the flowmeter, so special attention should be paid; there should be no strong electromagnetic field near the flowmeter; there should be ample space near the flowmeter for installation and maintenance; if there is vibration in the measurement pipeline, there should be fixed supports on both sides of the flowmeter; when measuring mixed liquids of different media, the distance between the mixing point and the flowmeter should be at least 30×D (D is the inner diameter of the flowmeter) length; The above is the entire content of this article, you are welcome to inquire about the flowmeter selection and quotation of our factory. 'Skills and Skills for Quickly Installing Electromagnetic Flow Meters'
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