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1. Installation requirements for the averaging tube flowmeter:
Provide correct flow rate and pipeline data, and select the detection rod correctly.
1、 Provide accurate flow and pipeline data. The mechanical dimensions of the differential pressure averaging tube flow field gauge are customized according to the size of the pipeline to be installed, and its measurement range is calculated and calibrated based on the flow data provided by the process.
2、 Correct selection of detection rod: The main structure of differential pressure averaging tube flowmeter is an inserted detection rod, which comes in various forms with different cross-sectional shapes, such as circular tube, diamond tube, Delta shaped blue ridge collapse, etc. Due to the different shapes of detection rods corresponding to different fluid theories.
2. The three simplest steps for installing a backflow system on an averaging tube flowmeter can be summarized into three points: gas source preparation, system connection, and debugging and inspection.
. 1. The preparation work first needs to confirm the characteristics of the blowback air source: use a dry and clean air source, and ensure stable pressure, generally 0.1-0.3 MPa higher than the pipeline medium pressure. At the same time, prepare all materials, such as gas pipes that match the flowmeter interface, ball valves that control the flow of air, etc.
2. System connection: Connect the gas source to the inlet end of the ball valve through the gas pipe, and connect the outlet end of the ball valve to the dedicated anti blowing interface of the flowmeter.
. During the process, it is necessary to check the sealing performance, such as using clamps or sealant to p_600x400.jpg)
3. Who knows the characteristics of intelligent averaging tube flowmeter?
1. Features and functions ● Integrated structure, good completeness. ● No easily worn rotating parts, rarely repaired. Small pressure loss, accounting for only 2-15% of the differential pressure value, is its prominent feature. The minimum pressure difference can reach 30mmH2O. The pipeline diameter has a wide range of adaptability, and when the diameter is larger, an insertion structure is used, which highlights its superiority. Good accuracy and long-term stability, with an accuracy of ± 1% and stability of ± 0.1%. The uniform velocity tube flowmeter has low requirements for pipeline layout and can be directly installed downstream of a 90 ° bend at only twice the pipe diameter, still achieving high accuracy. On site indication, remote transmission compatibility, bidirectional communication coexistence of analog and digital signals, convenient for the system to master the setup and network connection of the old tremor. Open digital platform, multi-purpose serial interface, including draft fieldbus structure. ● Intelligent transmitters are networked with all devices that comply with the HART protocol (including system manual programmers, distributed control DCS, etc.) to achieve digital bidirectional communication, automatic detection and control for convenient remote diagnosis and calibr