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1. Installation and usage method of plastic tube rotor flowmeter
The installation and usage method of LZS series plastic tube rotor flowmeter is as follows:
1. Installation method of Kaixiong: Connect by direct insertion and bonding: Use ABS or PVC plastic tube, directly insert into the flowmeter joint with special adhesive and fix it. Flange connection: If it needs to be connected to a metal pipeline, ABS or PVC flanges should be used to bond the flowmeter first, and then the flange should be connected to the metal pipeline to ensure sealing. Installation direction and angle perpendicular installation: The flowmeter must be installed vertically on the pipeline, with a tilt angle of less than 5 °, otherwise measurement errors may occur due to uneven force on the rotor. Direction identification: During installation, it is necessary to ensure that the flow direction arrow of the flowmeter is consistent with the actual flow direction of the medium. The straight pipe section requires an upstream straight pipe section: A straight pipe section of at least 5 times the diameter length should be reserved upstream of the flowmeter to eliminate interference from eddy currents or resistance in the pipeline and ensure data stability. Downstream straight pipe section: There is no strict limit on the length of the downstream straight pipe section, but it is recommended to reserve 2-3 times the diameter length to optimize the flow state. Adequate space should be reserved around the installation of the flow meter for subsequent maintenance, debugging, and reading operations.
2. Before use, check the range matching to confirm that the measurement range of the instrument matches the actual working conditions. The ma
III. Precautions for use: Ensure that the medium is clean and free of large particles, impurities, or fibers, and avoid blocking the cone tube or getting stuck in the rotor.
. If necessary, install a filter in front of the flowmeter. Flow stability should avoid severe fluctuations in medium flow (such as frequent pump start stop), otherwise it may cause excessive rotor vibration and affect reading accuracy. Antifreeze and Sunscreen Low Temperature Environment: If the medium may freeze, the flowmeter needs to be insulated to prevent the rotor from freezing and unable to move. Outdoor installation: Plastic tube flow meters exposed to sunlight for a long time need to be equipped with sunshades to prevent material aging. Regular maintenance and cleaning of the cone tube: Check the inner wall of the cone
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