Six reasons for the error of the orifice flow meter

Abstract: The information on the six major causes of errors in orifice flowmeters is provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. 1. The orifice of the orifice plate is not concentric with the pipeline. When assembling the orifice plate flowmeter, due to the irresponsibility of the construction personnel, it may cause the orifice of the orifice plate and the pipeline to be inconcentric, resulting in measurement errors. 2. Orifice flow meter Water accumulation in the pipeline The accumulation of water in the pipeline will change the flow of the orifice plate. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the six reasons for the error of the orifice flowmeter. 1. When the orifice of the orifice plate and the pipeline are not concentric when assembling the orifice plate flowmeter, due to the irresponsibility of the construction personnel, it may cause the orifice of the orifice plate and the pipeline to be non-concentric, resulting in measurement errors. 2. The accumulation of water in the pipeline of the orifice flowmeter will change the geometric characteristics of the measuring device of the orifice flowmeter, thereby affecting the accuracy of the flow measurement. 3. The orifice plate is deformed or scaled. During the transportation and installation of the orifice plate, due to the weak sense of responsibility of the construction personnel, the orifice plate may be deformed; after the orifice plate flowmeter is used for a long time, the inner surface of the orifice plate will be fouled, which will reduce the opening size of the orifice plate, causing Measurement error. 4. The straight pipe section before and after the orifice plate flowmeter does not meet the requirements. The function of the straight pipe section before and after the orifice plate is to ensure the stable flow of the fluid in the pipeline, but because the length of the straight pipe section is not enough or the process pipeline often has resistance parts such as bends, bifurcations, and convergence. occurs, making the fluid change from steady to turbulent, resulting in measurement errors. 5. The upstream and downstream surfaces of the orifice plate are damaged or the flange gasket of the orifice plate is protruding. In the process of transporting the orifice plate or installing the orifice plate by the construction personnel, the upstream and downstream surfaces are easily damaged or the flange gasket of the orifice plate is protruding. inside the pipe, resulting in measurement errors. 6. Reverse the upper and lower sides of the orifice plate. Due to the carelessness of the construction personnel, the orifice plate was installed upside down, causing the gas flow direction to be inconsistent with the direction of the orifice plate, resulting in measurement errors. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Six Causes of Errors in Orifice Flow Meters'

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