Installation requirements for several electromagnetic flow meters

Abstract: The information on the installation requirements of several electromagnetic flowmeters is provided by the excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Today, the technology of Weinan and Shunda flowmeter manufacturers will explain to you the installation requirements of several electromagnetic flowmeters, hoping to help you in your future use. 1. Requirements for the external environment 1.1. The flowmeter should be installed to avoid temperature changes. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the installation requirements of several electromagnetic flowmeters. Today, the technology of the flowmeter manufacturer will explain to you the installation requirements of several electromagnetic flowmeters, and I hope to help you in your future use. 1. Requirements for the external environment 1.1. The flowmeter should be avoided to be installed in places where the temperature changes greatly or is exposed to high temperature radiation of the equipment. If it must be installed, measures for 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. When it must be installed, ventilation measures must be taken. 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. 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 installation close to regulating valves and half-open valves). 2.2. Requirements for process pipes The flowmeter has certain requirements for 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 (in the formula DN: the inner diameter of the sensor, D: the inner diameter of the process pipe) b. The process pipe and the sensor must be concentric, and the coaxial deviation should not be greater than 0.05DN2.3. Requirements for the bypass pipe In order to facilitate the maintenance of the flowmeter, it is best to be The flowmeter is installed with a bypass pipe. In addition, for the heavily polluted fluid and the flowmeter that needs to be cleaned and the fluid cannot be stopped, a bypass pipe must be installed. a. It is convenient for the maintenance of the flowmeter b. It must be installed for heavily polluted fluids c. The flowmeter cannot be stopped and the flowmeter needs to be cleaned 3. Installation requirements for plug-in electromagnetic flowmeters 3.1. Requirements for straight pipe sections≥10DN; export should≥5DN3.2. 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 / The sensor should be well grounded, and the grounding resistance should be less than 10. (If the metal pipe is well grounded, no special grounding is required. device). 3.3 The electromagnetic flowmeter is required to be inserted into the installation position. According to the situation of the pipeline on site, the flowmeter without ball valve should be installed on the pipeline without pressure (that is, the flowmeter without ball valve can be selected for installation without pressure). 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 occasions requiring continuous flow loading and unloading or not allowing the medium to overflow, a ball valve must be installed, that is, a plug-in electromagnetic flowmeter with a ball valve structure is selected; The diameter of the hole in the pipe is 50, and the connecting welded pipe is ready to be welded on the hole of the pipe. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Installation Requirements for Several Electromagnetic Flow Meters'

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