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1. The flowmeter must be installed vertically. The measured fluid flows from the bottom to the top through the flowmeter. The inlet and outlet are guaranteed to have a straight pipe section with 5 times the gauge diameter. For the newly installed pipeline, the pipeline should be cleaned before installation.
2. In order to facilitate the repair and replacement of the flowmeter, it is necessary to connect the bypass pipeline when the instrument is installed.
3. Install a valve upstream of the flowmeter and install a flow regulating valve at the downstream 5~10 times the gauge diameter. For small-diameter instruments, filters should be installed upstream. If the measured medium contains magnetic substances, the magnetic filter should be installed in front of the flowmeter.
4. When the measured medium is dirty, the tube and float should be cleaned in time.
5. The measurement accuracy of the metal tube rotameter is generally 2.5. When the measurement accuracy is required to be high, the metal rotor flowmeter should not be selected.
6. The angle-type metal float flowmeter is not in line with the inlet and outlet. When using the liquid, pay attention to whether there is residual air in the extension sleeve of the external float displacement. It must be drained. If the liquid contains tiny bubbles, it is easy to accumulate in the casing. Timing exhaust. This is more important for small-diameter instruments, otherwise it will affect the flow indication.
7, the instrument with liquid crystal display should try to avoid direct sunlight, so as not to reduce the life of the liquid crystal
8. Avoid vibration. Including vibrations caused by external and internal causes of the pipe network
9. For metal pipe rotameter flowmeters, when multiple instruments are densely installed or carbon steel process pipes pass near the instrument, keep a distance of more than 100mm from the instrument to avoid magnetic field interference.
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