Which 6 kinds of wrong installation of flow meter

Abstract: The installation information of which 6 kinds of mistakes in the flow meter are provided by the excellent flow meter and flow meter production and quotation manufacturers. Common mistakes in the application of flow meters include poor operation and flow disturbances and poor installation; cavitation and air bubbles in the liquid; condensate in the gas; wear and deposition, etc. These errors often lead to inaccurate or malfunctioning flow meter measurements. . More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the installation of the 6 kinds of errors in the flowmeter. Common mistakes in the application of flow meters include poor operation and flow disturbances and poor installation; cavitation and air bubbles in the liquid; condensate in the gas; wear and deposition, etc. These errors often lead to inaccurate or malfunctioning flow meter measurements. Poor installation due to poor operation and improper arrangement are common: 1) The acute angle of the standard orifice plate is not installed on the upstream surface. 2) The inner diameter dg of the sealing gasket between the instrument and the pipe is smaller than the inner diameter of the pipe dp and the inner diameter of the instrument dm to generate a beam. dg should be slightly larger than dm, such as dg3) the gasket is eccentric (misaligned). The installation of the sealing gasket is eccentric, which covers part of the flow area and causes the velocity distribution to be seriously distorted and asymmetrical. Since the asymmetric flow occurs at the inlet of the flow sensor, that is, the length of the upstream straight pipe section is zero, it will bring measurement errors to the differential pressure, turbine, vortex, ultrasonic, target, electromagnetic and other instruments. For example, the eccentricity of the gasket of the dn50mm electromagnetic flowmeter is 10mm, and the measurement error is as high as 4% to 10%. 4) The flowmeter is in the wrong flow direction. 5) Install the instrument sensitive to vibration interference on the pipeline with vibration. 6) Lack of necessary protective accessories. Although the inner diameter of the gasket is too small or the installation is eccentric, although it has no or very little effect on the flow value of volumetric, float, Coriolis mass and other instruments, it will increase additional pressure loss. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Which 6 kinds of mistakes in the installation of flow meters'

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