Application Notes for Differential Pressure Delta Bar Flow Meters

Abstract: The application precautions information of differential pressure delta flow meter is provided by the excellent flow meter and flow meter manufacturer and quotation manufacturer. Application Notes of Delta Bar Flowmeter According to our more than two years of experience in using this product, we should pay attention to the following aspects: 1. Flow measurement of large diameter and low flow rate. The parameters of the medium, such as the minimum flow rate, should be measured before selecting this equipment. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following are the details of the application precautions for differential pressure delta flowmeters. Application precautions of Delta Bar flowmeter According to our more than two years of use experience, we should pay attention to the following aspects when applying this product: 1. Flow measurement of large pipe diameter and low flow rate. Before selecting this equipment, the measured medium parameters such as minimum flow rate, working temperature and pressure, pipe diameter, etc. should be accurately provided to the supplier. After calculating the minimum differential pressure by the factory, check whether the measurement accuracy can be met according to the measurement lower limit of the transmitter. . 2. The probes used for gas measurement in blast furnaces and converters should be equipped with nitrogen purging pipelines, and the probes should be back blown when the blast furnace is repaired to ensure long-term operation. The probe for measuring coke oven gas should be equipped with a steam purge pipe to prepare for backflushing when the probe is blocked. However, the measurement of these two kinds of gas in our factory has not been blocked for more than two years, and the backflushing pipeline is only used as a backup. 3. It is recommended to use double-sided support for the measurement of pipes with an inner diameter of more than 600mm to prevent the probe from being deformed during large-scale operation and affecting the accuracy of the measurement. 4. When choosing this product, the inner diameter of the measuring tube must be accurate. Because the distribution of the pressure-taking holes of the designed probe is calculated according to the center of the pipeline, if there is a large error in the inner diameter of the pipe, the probe and the pipeline to be measured will be misaligned and cause a large measurement error. 5. As a flowmeter for measurement, it is recommended to use a probe with full pipe insertion, especially when the straight pipe section does not meet the requirements. 6. Due to the strong anti-blocking ability of the Delta Bar flowmeter, if the pipeline installed by the flowmeter has the opportunity to stop gas for maintenance within one year, there is no need to purchase an online plug-in device. Generally, the installation of gas backflush can ensure long-term normal measurement. , to save investment. 7. Because the flow rate of coke oven gas is relatively small and the pipe diameter is relatively large, the differential pressure value usually generated is only more than 100 Pa (based on standard conditions). Because the medium contains a certain amount of impurities, the density of the measured medium is higher than 0.46. Therefore, the actual differential pressure is larger than the theoretical differential pressure; at the same time, it is necessary to use a differential pressure transmitter with high precision and high stability. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Application Notes of Differential Pressure Delta Bar Flow Meter'

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