Marmonix MVF-2700 Gas Vortex Flowmeter
Insertion vortex flow meter MVF-2700 works based on Carmen and Strouhal relevant spiral produce and on the theory of the flow relationship.
The Marmonix MVF-2700 natural gas vortex flow meter measures gas, liquid and steam flow in DN15–DN300 flanged or flange-card lines and DN100–DN2000 insertion lines. It is rated to 4.0 MPa, carries Ex d IIB T6 Gb explosion-proof class and IP65 protection, and outputs 4–20 mA, pulse and RS485. Browse all Marmonix flow meters, or see the MVF-2800 vortex steam flow meter for steam lines.
Natural gas vortex flow meter MVF-2700
Insertion vortex flow meter MVF-2700 works based on Carmen and Strouhal relevant spiral produce and on the theory of the flow relationship. As shown in picture, In the meter body vertical insert a triangular prism root namely the happening of the body, when eddies of medium flow through the table body, in triangular prism behind the alternate produce in opposite directions regular Karman swirl, its spiral separation and the flow of the medium frequency F speed by sensing head is proportional to the V detected the number of spiral, can measure the flow velocity, again according to the table body mouth.
Natural gas vortex flow meter MVF-2700 Features
Key features of the MVF-2700 include:
- Flange & body: integrally forged pieces, it will avoid break down into pieces. 100% SS304 material, we can provide material report.
- Circuit Board: Digital circuit board, anti-most of the supplier use analog circuit board, digital circuit board enjoy the advantages of anti-vibration and anti-interference.
- Flow converter: Distinctive modular design, amateurs can operate, disassemble and assemble easily, it will avoid accident risks.
- Welding: adopt the advanced fish scale technology, which makes the welding seam looks nice and smooth.
- Our medium temperature sensor can measure highest temperature around 350℃, normal it is -40~250℃
Natural gas vortex flow meter MVF-2700 Specifications:
| Size | DN15-DN300mm (flange and flange card), DN100-DN2000mm (Insertion) |
| Medium Temperature | Liquid, Gas, Steam |
| Accuracy | ±0.75% of read (liquid), ±1.0% of read (gas and steam) |
| Nominal pressure | 1.6MPa,2.5MPa,4.0MPa |
| Protection Grade | IP65 |
| EX-proof Class | Ex d IIB T6 Gb |
| Body Material | SS304,SS316 |
| Medium Temperature | -20℃~+100℃, -20℃~+250℃, -20℃~+350℃ |
| Signal Output | 4~20 mA (two wire), pulse (three wires) |
| Power supply | 24VDC, 3.6V lithium |
| Ambient Temperature | -25℃~+55℃ |
| Humidity | 5~90% RH |
| Pressure loss | Resistance coefficient CD≤ 2.4 |
| Connection | Flange: DN15-DN300 Flange Card: DN15-DN300 Insertion: DN100-DN2000 |
| Communication | RS485 |
Questions about the MVF-2700 natural gas vortex flow meter
What gas flow range does the MVF-2700 cover on a DN50 line?
On a DN50 line the MVF-2700 datasheet gives 30–300 m³/h of gas in the standard range and 30–500 m³/h in the extended range, referenced to air at 20 °C and 101325 Pa. Larger sizes go higher, for example 400–4000 m³/h standard at DN200.
Which pipe connections and pressure ratings are available?
The MVF-2700 comes as a flange or flange-card meter for DN15–DN300 and as an insertion meter for DN100–DN2000, with nominal pressure options of 1.6, 2.5 and 4.0 MPa and an SS304 or SS316 body.
MVF-2700 or MVF-2800: which should I choose?
Choose the MVF-2700 for natural gas and other gas lines and the MVF-2800 for steam lines. On marmonix.co both list the same sizes, pressure ratings and outputs, so the deciding factor is the measured-medium code in the model selection: common gas for the MVF-2700, saturated or superheated steam for the MVF-2800.


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