Installation diagram of DN50 electromagnetic flow meter

Abstract: DN50 electromagnetic flow meter installation schematic information is provided by excellent flow meter and flow meter production and quotation manufacturers. The measurement principle of the electromagnetic flowmeter does not depend on the characteristics of the flow. If there is a certain amount of turbulence and eddy in the pipeline in the non-measurement area (such as elbows, tangential flow restrictors or a half-open stop valve upstream), it will be the same as the measurement. It doesn't matter. If there is steady state in the measurement area. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the installation diagram of the DN50 electromagnetic flowmeter. The article details. The measurement principle of the electromagnetic flowmeter does not depend on the characteristics of the flow. If there is a certain amount of turbulence and eddy in the pipeline in the non-measurement area (such as elbows, tangential flow restrictors or a half-open stop valve upstream), it will be the same as the measurement. It doesn't matter. If there is a steady-state eddy current in the measurement area, it will affect the stability and accuracy of the measurement. At this time, some measures should be taken to stabilize the flow rate distribution: 1. Increase the length of the front and rear straight pipe sections 2. Use a flow stabilizer3 . Reduce the cross section of the measuring point. 1. Requirements for the external environment 1.1. The flowmeter should be avoided to be installed in places with large temperature changes or high temperature radiation of the equipment. If it must be installed, measures of heat insulation and ventilation must be taken. 1.2. The flowmeter is best installed indoors. If it must be installed outdoors, it should avoid rainwater, flooding and sun exposure. Moisture-proof and sun-proof measures must be taken. 1.3. The flowmeter should be avoided to be installed in an environment containing corrosive gas, and ventilation measures must be taken when it must be installed. 1.4. For the convenience of installation, maintenance and maintenance, there should be ample installation space around the flowmeter. 1.5. The installation site of the flowmeter should avoid magnetic fields and strong vibration sources. If the pipeline vibrates greatly, there should be supports for fixing the pipeline on both sides of the flowmeter. 1. 2. Pipeline electromagnetic flowmeter 2.1. Requirements for straight sections In order to improve the influence of eddy current and flow field distortion, there are certain requirements for the length of the straight pipe sections before and after the flowmeter is installed, otherwise it will affect the measurement accuracy (rectifiers can also be installed, try to avoid close to the regulating valve and half-open valve. installed later). 2.2. Requirements for process pipes The flowmeter has certain requirements on the upstream and downstream process pipes of the installation point, otherwise the measurement accuracy will be affected. a. The inner diameter of the upstream and downstream process pipes is the same as the inner diameter of the sensor, and should meet: 0.98DN≤D≤1.05DN (where DN: sensor inner diameter, D: process tube inner diameter) b. The process tube and the sensor must be concentric, and the coaxial deviation should not be greater than 0.05DN2.3. Bypass pipe requirements In order to facilitate the maintenance of the flowmeter, it is best to install a bypass pipe for the flowmeter. In addition, for the heavily polluted fluid and the flowmeter to be cleaned and the fluid cannot be stopped, a bypass pipe must be installed. a. Facilitate the maintenance of the flowmeter b. For heavily polluted fluids must be installed c. 3. The fluid cannot be stopped and the flow meter needs to be cleaned. Insertion electromagnetic flowmeter installation requirements 3.1. Requirements for Straight Runs Inlet/Outlet Straight Runs: The inlet should be≥10×DN; export should≥5×DN3.2. Docking point requirements In order to make the instrument work reliably and improve the measurement accuracy, it should not be interfered by external parasitic potential/sensors should be well grounded, and the grounding resistance should be less than 10. (If the metal pipe is well grounded, no special grounding device is required) 3. 3. Requirements for the installation position Insert the electromagnetic flowmeter as shown in the figure. According to different pipeline conditions on site, the flowmeter without ball valve should be installed on the pipeline without pressure (that is, the installation without pressure can be selected without ball valve. Flowmeter), the diameter of the opening on the pipeline is 50, and the connecting welded pipe is ready to be welded on the opening of the pipeline; for the occasions that require continuous flow loading and unloading or do not allow the medium to overflow, a ball valve must be installed, that is, a plug-in type with a ball valve structure is selected. Electromagnetic flowmeter; open a hole with a diameter of 50 on the pipeline, and prepare to weld the connecting welded pipe on the opening of the pipeline. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'DN50 Electromagnetic Flow Meter Installation Diagram'
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