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1. Drainage pipe network flowmeter
2. Detailed explanation of the usage steps of Cologne metal tube rotor flowmeter
The efficient use of Cologne metal tube rotor flowmeter depends on installation specifications and process control. After understanding the operation steps, it is possible to ensure the stable operation and measurement accuracy of the flowmeter to the maximum extent possible. The following is a detailed breakdown of the specific operation process.
1. Preparation before installation: ① Check the appearance: carefully check whether there are any deformation or collision marks on the outer grinding shell of the flowmeter, and confirm whether the accessories such as sealing gaskets and bolts are complete.
. ② Parameter verification: Compare the model, range, and medium compatibility marked on the flowmeter nameplate to ensure they match the actual working conditions and avoid using beyond the range.2. Installation process: ① Position selection: prioritize installation in areas with low pipeline vibration, and reserve sufficient operating space around for subsequent maintenance. The length of the straight leakage pipe section must be met before and after the pipeline to ensure that there is no turbulence in the fluid. ② Flow direction confirmation: The arrow mark on the shell indicates the flow direction of the fluid. The open search bucket usually flows from bottom to top, and reverse installation can cause measurement failure. ③ Sealing and fixing: Corrosion resistant gaskets should be used at the flange connection, and diagonal bolts should be tightened to ensure uniform sealing and prevent leakage. 3. Inspection before operation: ① Connection test: Use a wrench to tighten t
5. Daily operation and maintenance points: ① Periodic inspection: Record the rotor position, display data, and pipeline pressure for each shift. Abnormal noise or vibration indicates internal mechanical blockage. ② Range protection: Do not quickly open or close the valve during operation, as instantaneous flow exceeding 120% of full range may cause deformation of the cone tube. ③ Environmental monitoring: Rainproof covers should be added for outdoor installation. If the ambient temperature is below the freezing point of the medium, heat tracing and insulation measures should be installed. 6. Shutdown and maintenance: ① Sequential valve closure: first fully close the downstream valve to block the flow, and then slowly close the upstream valve to prevent water hammer effect. ② Liquid accumulation emptying:
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