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1. Which rotor flowmeter is good? Seeking recommendations?
2. What does the working pressure on the nameplate of the turbine flowmeter refer to? What is the difference between nominal pressure and nominal pressure? The design pressure is 4.0M...
The working pressure on the nameplate of the turbine flowmeter refers to the maximum medium pressure that the flow meter can withstand during normal operation, that is, the maximum working pressure. This value is usually equivalent to nominal pressure. When choosing a flow meter, considering that the actual operation may exceed the design specifications, a flow meter working pressure slightly higher than the design pressure is usually chosen. Of course, it is also possible to choose a flow meter that is equal to the design pressure.
3. What are the advantages and disadvantages of using a turbine flowmeter to measure gas flow?
Advantages
1. High precision measurement of digital analog: Turbine flow meters can achieve high-precision flow measurement by measuring the rotational frequency generated by gas flowing through turbine blades.. Its measurement accuracy is usually within 2%, suitable for applications that require high flow measurement accuracy, such as gas metering. 2. Wide application: Turbine flowmeters are suitable for flow measurement of various gas types, including natural gas, air, nitrogen, etc. This makes it have broad application prospects in industrial production, environmental monitoring, laboratory research, and other fields. Strong stability: Turbine flow meters have a simple structure and small blade clearance, so their performance changes are small and their stability is strong during long-term use. This makes it
1. Pressure loss: It is trapped inside the turbine flowmeter, and the flow of gas through the blades will cause a certain pressure loss, especially under high flow conditions. This may affect the pressure balance in the fracturing system and needs to be fully considered in the design. 2. Influenced by gas properties: The performance of turbine flowmeters is greatly affected by gas density, viscosity, and other properties, and the flow measurement results of different gases under the same conditions may have deviations, which need to be calibrated and corrected. The sentence is:.
4. Technical parameters of gas turbine flowmeter
Nominal diameter: Pipeline type: DN4~DN200 Insertion type: DN100~DN2000 Accuracy level: Pipeline type: ± 0.5 level, ± 1.0 level Insertion type: ± 1.5 level, ± 2.5 level Environmental temperature: -20 ℃~50 ℃ Medium temperature: Measuring liquid: -20 ℃~120 ℃ Measuring gas: -20 ℃~80 ℃ Atmospheric pressure: 86KPa~106KPa nominal pressure: 1.6 Mpa, 2.5Mpa, 6.4Mpa, 25Mpa Explosion proof level: ExdIIBT4 Connection method: threaded connection, flange clamping, flange connection, insertion type, etc. Straight pipe section requirements: Gas: The upstream straight pipe section should be ≥ 10DN, and the downstream straight pipe section should be ≥ 5DN. Liquid: The upstream straight pipe section should be ≥ 20DN, and the downstream straight pipe section should be ≥ 5DN. Insertion type: The upstream straight pi
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