1. High temperature resistance, up to 450 °C metal rotor flowmeter, metal tube float flowmeter, power meter flowmeter.
2. It is suitable for the measurement of gas flow, liquid and steam flow rate with small diameter and low flow rate.
3. Magnetic coupling principle No leakage and high pressure.
4. It is not suitable to measure high viscosity medium due to certain viscosity.
5. When the flow rate exceeds 100m3/h water flow, the pressure loss is large.
6. Mostly used for process control instruments, the best accuracy is 1%, generally 1.5%, and the turndown ratio is 10:1.
7. Intrinsically safe explosion-proof and explosion-proof type are suitable for dangerous occasions.
8. The most suitable installation method is vertical installation with lower and upper.
9. There are various forms such as local pointer type, battery type, two-wire type, 220V AC power supply type and so on.
10. When measuring high temperature and low temperature (below -30 °C) medium, it is best to use jacket type.
11. It is not suitable to measure media with large changes in density.
12. It is not suitable to measure the flow of pulsating media (such as the metering pump outlet).
13. For the gas table, there is no temperature and pressure compensation, which needs to be considered separately.
14. For dense installation of multiple instruments or carbon steel process pipelines, when it is near the instrument, keep a distance of more than 100mm from the instrument to avoid magnetic interference.
15. For flow measurement of media containing a large amount of ferromagnetic particles, install a magnetic filter in front of the meter and periodically purge it.
16. If the instrument is used in the explosion-proof occasion, the round-shell M4 indicator should be used.
17. Metal tube float flowmeter requirements for straight pipe sections are not high, generally 250mm after the first 5D.
18. Flowmeter high and low alarm is generally open collector OC door mode, need to add relay for current amplification, also optional relay output type, contact capacity is 1A@30VDC or 0.25A@250VAC metal rotameter application is more and more widely.
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Tag: Metal Rotary Flowmeter Warm Pressure Compensation Flameproof Metering Pump OC
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