Compressed air flow meter attention points and treatment methods

Abstract: The key points to pay attention to and the processing method information for the compressed air flow meter are provided by the excellent manufacturers of flow meters and flow meters. The main points to pay attention to in the installation of compressed air flowmeter: 1. Reasonably choose the installation site and environment. Avoid strong power equipment, high frequency equipment, strong power switch equipment; avoid the influence of high temperature heat sources and radiation sources, avoid strong vibration places and strong corrosive environments, etc. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the points to pay attention to and the details of the treatment methods for compressed air flowmeters. The main points to pay attention to in the installation of compressed air flowmeter: 1. Reasonably choose the installation site and environment. Avoid strong power equipment, high frequency equipment, strong power switch equipment; avoid the influence of high temperature heat sources and radiation sources, avoid strong vibration places and strong corrosive environments, etc., and consider the convenience of installation and maintenance. 2. There must be enough straight pipe sections upstream and downstream. If there are two 90s in the same plane upstream of the sensor mounting point. Elbow, then: upstream straight pipe section≥25D, downstream straight pipe section≥5D. If there are two 90s on different planes upstream of the sensor mounting point. Elbow, then: upstream straight pipe section≥40D, downstream straight pipe section≥5D. The regulating valve should be installed beyond 5D downstream of the sensor. If it must be installed upstream of the sensor, the upstream straight pipe section of the sensor should not be less than 50D, and the downstream should not be less than 5D. 3. The piping upstream and downstream of the installation point should be concentric with the sensor, and the coaxial deviation should not be less than 0.5DN. 4. Vibration reduction measures shall be taken for the pipeline. Try to avoid installing the sensor on the pipeline with strong vibration, especially the lateral vibration. If the installation is unavoidable, vibration reduction measures must be taken, and pipe fastening devices and anti-vibration pads should be installed at the upstream and downstream 2D ​​of the sensor. 5. Installation on horizontal pipes is the most common installation method for flow sensors. When measuring gas flow, if the measured gas contains a small amount of liquid, the sensor should be installed at a higher part of the pipeline. When measuring liquid flow, if the measured liquid contains a small amount of gas, the sensor should be installed at the lower part of the pipeline. 6. The installation of the sensor in the vertical pipeline. When measuring gas flow, the sensor can be installed on vertical pipes with unlimited flow direction. If the measured gas contains a small amount of liquid, the gas flow should be from bottom to top. When measuring liquid flow, the flow direction should be from bottom to top: this will not add extra liquid weight to the probe. 7. The sensor is installed on the side of the horizontal pipe. No matter what kind of fluid to measure, the sensor can be installed on the horizontal pipeline, especially for superheated steam, saturated steam and low temperature liquid. 8. The sensor is installed upside down in the horizontal pipeline. This installation method is generally not recommended. This installation method is not suitable for measuring general gas and superheated steam. It can be used to measure saturated steam, and it is suitable for measuring high temperature liquid or when the pipeline needs to be cleaned frequently. 9. The installation of the sensor on the pipeline with the insulation layer. When measuring high temperature steam, the insulation layer should not exceed a maximum of one-third of the height of the bracket. 10. Selection of pressure measuring point and temperature measuring point. According to the measurement needs, when the pressure and temperature need to be measured near the sensor, the pressure measurement point should be 3-5D downstream of the sensor, and the temperature measurement point should be 6-8D downstream of the sensor. The compressed air flowmeter can be widely used in large and medium , Small and various pipeline water supply and drainage, industrial circulation, sewage treatment, oil and chemical reagents, and the measurement of compressed air, saturated and superheated steam, natural gas and various medium flows, and can be used as flow transmitters in automated control systems, long lasting. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Compressed air flow meter attention points and processing methods'

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