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GVF100 digital gas vortex flow meter is a flow meter operating with Karman Vortex Street principle for flow rate of gases (air, oxygen, nitrogen, coal gas, natural gas, chemical gas, etc.). It could be used in automatic control system as flow transmitter. The product adopted advanced differential technique, together with measurement of isolating, shielding and filtering, it had possesses better anti-vibration performance and signal stability.
1.Low pressure loss and consumption
2.Medium：gas，natural gas，co2，Nitrogen
3.clamp flange，flange connection
4.4-20mA，pulse，RS485
| Item | Data |
| Medium | Air,nitrogen, coal gas, natural gas, chemical gas,steam etc. |
| Accuracy | Pipe type: Class 1.0 Insertion type: Class 2.5 |
| Medium temperature | -40℃~+400℃ |
| Nominal pressure | ≤1.6Mpa (offer ≤2.5Mpa and ≤4.0Mpa customization) |
| Flow rate | 5-60m/s |
| Output | Voltage pulse, 4-20mA output, HART, Modbus, RS485, RS232 options. |
| Installation | Flange, clamp flange, insertion, threat, clamp connection |
| Power | 12~28VDC;85~265VAC (Remote display);3.6V lithium battery (on site display) |
| Operating condition | Temperature: -25℃~60℃ Humidity: 5%~90% |
Diameter: Please contact our sales manager for details
Clamp flange:
Flange(temperature and presuure compensation):
GVF100 |
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Nominal diameter | DNXX |
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| DN15~DN1000 (mm) |
Structure | F |
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| Remote type with display | |
Y |
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| Compact type with display | ||
Accuracy | A |
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| Pipe type: Class 1.0 | ||
B |
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| Insertion type: Class 2.5 | |||
Nominal pressure | 16 |
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| 1.6Mpa | |||
XX |
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| Customization | ||||
Max. temp. of medium | M |
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| <250℃ | ||||
H |
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| >250℃ | |||||
Other function | P |
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| With pressure compensation | |||||
T |
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| With temperature compensation | ||||||
PT |
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| With pressure and temperature compensation | ||||||
Power | 1 |
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| 12~28VDC | ||||||
2 |
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| 3.6V lithium battery (on site display) | |||||||
3 |
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| 85~265VAC (Remote display) | |||||||
Output | A |
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| 4-20mA | |||||||
M |
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| Voltage pulse | ||||||||
H |
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| HART | ||||||||
R1 |
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| RS232 | ||||||||
R2 |
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| RS485 | ||||||||
Installation | 1 |
| Flange | ||||||||
2 |
| Clamp flange | |||||||||
3 |
| Insertion | |||||||||
4 |
| Thread | |||||||||
5 |
| Clamp | |||||||||
Explosion proof | A | No explosion proof | |||||||||
B | Intrinsic explosion proof | ||||||||||
G | Flame proof | ||||||||||
Note for type selection
GVF100 digital gas vortex flow meter is mainly applicable for measurement of air, oxygen, nitrogen, coal gas, natural gas, chemical gas, etc.
Type selection process
Select main model and structure first, then ensure other specifications according to requirement, i.e. main model + nominal diameter + structure + accuracy + nominal pressure + Max. temperature of the medium + more function + power + output + installation + explosion proof.
