Precautions during the installation of the orifice flow meter

Abstract: The information on the precautions during the installation of the orifice flow meter is provided by the excellent flow meter and flow meter manufacturers. Many customers are careless during the installation process, and some do not pay attention to small details, which will affect the use of the orifice flowmeter, and various problems will occur after a long period of accumulation. First of all, it depends on whether you are measuring gas, liquid or steam. The gas pressure taking port is preferably there. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the article details of the precautions during the installation of the orifice flowmeter. Many customers are careless during the installation process, and some do not pay attention to small details, which will affect the use of the orifice flowmeter, and various problems will occur after a long period of accumulation. First of all, it depends on whether you are measuring gas, liquid or steam. The gas pressure taking port is preferably at the upper part of the pipeline; the liquid pressure taking port is on the side but not directly below, the sediment particles will block the pressure taking port; for steam, the pressure taking port is on the side of the pipeline, 1. Before the installation of the orifice plate flowmeter It should be checked whether the number and size of the throttling device meet the requirements of the installation location of the pipeline. 2. For the newly installed pipeline system, the orifice plate must be installed after flushing and sweeping in the pipeline. 3. Pay attention to the installation direction of the orifice plate“+”No. should think about the flow rate. 4. The center of the orifice plate should coincide with the center line of the pipeline, and the concentricity error should not exceed 0.015 (1/β-1) value. 5. When the orifice plate is installed in the pipeline, it should ensure that its end face is perpendicular to the axis of the pipeline, and the perpendicularity error should not exceed±1°. 6. The gasket used for clamping the orifice plate (including between the ring chamber and the flange, between the ring chamber and the orifice plate) shall not protrude into the inner wall of the pipeline after clamping. 7. The installation place of the orifice plate must be tight, and no leakage is allowed. Therefore, the installation work must be carried out before the pipeline pressure test. 8. The pressure guiding pipe shall be laid vertically or inclined, and its inclination shall not be less than 1:1. For fluids with higher viscosity, the slope should also be increased. When the differential pressure signal transmission distance is greater than 3 meters, the pressure guiding pipe should be inclined in sections, and the gas collector and the settler should be respectively at the highest and lowest points. 9. In order to avoid distortion of differential pressure signal transmission, positive and negative pressure guiding pipes should be laid as close as possible, and anti-freezing measures should be taken in severe cold areas. Electric heat or steam can be used for heat preservation, but it is necessary to prevent the superheated vaporization of the measured medium and the generation of gas in the pressure guiding pipe to cause false differential pressure. 10. When installing the orifice plate, the required length of the front and rear straight pipe sections. If you are not sure, you can ask the manufacturer, or install it according to the front 20D and the rear 10D (D refers to the diameter of the orifice plate). It must be kept parallel in all cases. These are some common problems in the installation process of the orifice flowmeter. I hope it can help you. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Precautions during the installation of the orifice flow meter'

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