Analysis of the reasons that affect the repeatability of the orifice flow meter

Abstract: Analysis of the reasons that affect the repeatability of the orifice flow meter is provided by the excellent flow meter and flow meter manufacturers and quotation manufacturers. The orifice flowmeter is mainly composed of a primary detection part and a secondary device, so the maintenance is simple and convenient. Simple structure, high stability, convenient use and high precision. The orifice flowmeter throttling device is used in conjunction with the differential pressure transmitter to measure liquid, steam and gas. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is an analysis of the reasons for affecting the repeatability of orifice flowmeters. The orifice flowmeter is mainly composed of a primary detection part and a secondary device, so the maintenance is simple and convenient. Simple structure, high stability, convenient use and high precision. Orifice flowmeter throttling device and differential pressure transmitter can measure the flow of liquid, steam and gas. Orifice flowmeter is widely used in petroleum, chemical, metallurgy, electric power, light industry and other departments. In the application process, the repeatability of the orifice flowmeter is particularly important, so in the actual use process, we must pay attention to the following aspects: 1. The sharpness of the inlet right angle and the diameter of the pipe do not match the calculation; 2. , Error in product thickness; steps and eccentricity of throttle accessories; 3. Flatness of upstream end face of orifice flowmeter; steps and eccentricity caused by ring chamber size; 4. Selection of pressure taking position; Whether the pressure hole is standardized and blocked. The above problems may affect the repeatability of the orifice plate. The repeatability is determined by the principle of the instrument itself and the manufacturing quality. It is an important indicator in process control applications. In addition to relying on repeatability, the accuracy is also related to the calibration system of the value. In practical applications, the excellent repeatability of the instrument is disturbed by many factors including fluid viscosity, density and other changes, which will affect the measurement accuracy. This effect is more pronounced if the output characteristics of the meter are non-linear. Therefore, precautions must be taken when selecting and applying orifice flowmeters. Flow meter, target flowmeter, intelligent target flowmeter, insertion flowmeter, digital target flowmeter, handle flowmeter, electric target flowmeter, molten salt flowmeter, liquid flowmeter, sewage flowmeter, Gas flowmeter, gas flowmeter, carbon dioxide flowmeter, production flowmeter, gasoline flowmeter The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Analyzing the Reasons Affecting the Repeatability of Orifice Flow Meters'

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