Integrated temperature sensor, pressure sensor, flow sensor and intelligent flow accumulator, the self-developed gas turbine flow meter of MEGATF-LWQ series, which assimilates the advanced technology of flow meters from home and abroad with optimum design, is a new generation of gas flow meter with high precision and reliability based on the theory of pneumatics, hydromechanics, electro-magnetic etc. It has excellent performance under both low and high pressure, various ways of signal output and low sensitivity to the fluid turbulence. Thus it is widely applied to the measurement of gas flow, such as natural gas, coal gas, LPG, light hydrocarbon gas and so on.
- Dedicated instrument to measure gas
- Oil and gas recovery system
- High accuracy, common type ±1.5%R, ±1.0%R, high accuracy type ±0.75%R
- Good repeatability, repeatability in a short period of time can reach to 0.05%-0.2%,it is preferable flow meter in trade settlement because of its high repeatability.
- Low starting flow, the first and the only flow meter with low flow velocity and small measuring range in China.
- Can detect the temperature, pressure and flow of measured gas and do automatic tracking compensation to flow. display cumulative volume of gas in standard condition(Pb=101.325KPa,Tb=293.15K);do real time query with the data such as temperature, pressure, time, data, and etc.
- Built-in pressure and temperature sensor, high security, compact structure and beautiful outlook.
- Low power consumption, one Li battery with 3V,10A can work lasting over 3 years.
- Instrument coefficient, cumulative flow can be stored for 10 years after power cut off.
|
Instrument diameter(mm)and connection type |
25,40,50,65,80,100,125,150,200,250,300 flange connection |
|
Accuracy level |
±1.5%R, ±1%R, ±0.75%R(need special design) |
|
Ration of measuring range |
1:10,1:20,1:30 |
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Material of the meter |
Shell:304stainless steel; Turbine: anti-erosive ABS or high quality aluminum alloy; Screen: casting aluminum |
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Temperature of measured medium |
-30℃-+80℃ |
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Environment condition |
Temperature: -20℃-+60℃,relative humility:5%-90%,atmospheric pressure:86-106KPa |
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Output signal |
Sensor: pulse frequency signal, low electric potential≤0.8V,high electric potential ≥8V Transmitter:2-wire 4 to 20 mA DC current DC current signal |
|
Power supply |
Sensor:+12VDC,+24VDC（optional） Transmitter:+24VDC Local display type: with 3V Li battery in the instrument |
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Signal transmitting cable |
STVPV3×0.3（3-wire）,2×0.3(2-wire) |
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Transmitting distance |
≤1000m |
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Signal cable interface |
Inner thread M20×1.5 |
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Explosion level |
Ex ia II C T6 Ga |
|
Protective level |
IP65 |
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Nominal Diameter(mm) |
model |
Standard measuring range (m3/h) |
Pressure level (MPa) |
Installation type |
|
DN25 |
MEGATF-LWQ-25 |
3-40 |
1.6 |
Flange(thread) |
|
DN40 |
MEGATF-LWQ-40 |
10-100 |
1.6 |
Flange(thread) |
|
DN50 |
MEGATF-LWQ-50 |
10-160 |
1.6 |
Flange |
|
DN65 |
MEGATF-LWQ-65 |
13-250 |
1.6 |
Flange |
|
DN80 |
MEGATF-LWQ-80 |
20-400 |
1.6 |
Flange |
|
DN100 |
MEGATF-LWQ-100 |
32-650 |
1.6 |
Flange |
|
DN125 |
MEGATF-LWQ-125 |
40-1000 |
1.6 |
Flange |
|
DN150 |
MEGATF-LWQ-150 |
80-1600 |
1.6 |
Flange |
|
DN200 |
MEGATF-LWQ-200 |
125-2500 |
1.6 |
Flange |
|
DN250 |
MEGATF-LWQ-250 |
200-4000 |
1.6 |
Flange |
|
DN300 |
MEGATF-LWQ-300 |
325-6500 |
1.6 |
Flange |
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