Best Quality High Precision Dn50 Air Flowmeter Steam Vortex Flowmeter Meter
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- Supplier: Q& T Instrument Co. Ltd.
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Product Overview
Description
Best Quality High Precision Dn50 Air Flowmeter Steam Vortex Flowmeter Meter
Optional functions select at will
Technical Performance Parameters
| Measured Medium | Liquid, Gas, Steam |
| Medium Temp | -40℃~+200℃; -40℃~+280℃; 40℃~+350℃ |
| Nominal Pressure | 1.6MPa;2.5MPa;4.0MPa;6.4MPa(Other pressure can be custom,need consult supplier) |
| Accuracy | 1.0%(Flange), 1.5%(Insertion) |
| Measuring range ratio | 1:10(Standard air condition as reference) 1:15(Liquid) |
| Flow Range | Liquid:0.4-7.0m/s; Gas:4.0-60.0m/s; Steam:5.0-70.0m/s |
| Specifications | DN15-DN300(Flange), DN80-DN2000(Insertion), DN15-DN100(Thread), DN15-DN300(Wafer), DN15-DN100(Sanitary) |
| Material | SS304(Standard), SS316(Optional) |
| Pressure Loss Coefficient | Cd≤2.6 |
| Vibration Acceleration Allowed | ≤0.2g |
| IEP ATEX | II 1G Ex ia IIC T5 Ga |
| Ambient Condition | Ambient Temp:-40℃-65℃(Non-explosion-proof site); -20℃-55℃(Explosion-proof site) Relative Humidity:≤85% Pressure:86kPa-106kPa |
| Power Supply | 12-24V/DC or 3.6V battery powered |
| Signal Output | Pulse frequency signal2-3000Hz, Low level≤1V, high level≥6V |
| Two-wire system 4-20 signal(isolated output), Load≤500 |
Flow Range
| Size(mm) | Liquid(Reference medium:normal temperature water, m³/h) | Gas(Reference medium:20℃, 101325pa condition air, m³/h) | ||
| Standard | Extended | Standard | Extended | |
| 15 | 0.8~6 | 0.5~8 | 6~40 | 5~50 |
| 20 | 1~8 | 0.5~12 | 8~50 | 6~60 |
| 25 | 1.5~12 | 0.8~16 | 10~80 | 8~120 |
| 40 | 2.5~30 | 2~40 | 25~200 | 20~300 |
| 50 | 3~50 | 2.5~60 | 30~300 | 25~500 |
| 65 | 5~80 | 4~100 | 50~500 | 40~800 |
| 80 | 8~120 | 6~160 | 80~800 | 60~1200 |
| 100 | 12~200 | 8~250 | 120~1200 | 100~2000 |
| 125 | 20~300 | 12~400 | 160~1600 | 150~3000 |
| 150 | 30~400 | 18~600 | 250~2500 | 200~4000 |
| 200 | 50~800 | 30~1200 | 400~4000 | 350~8000 |
| 250 | 80~1200 | 40~1600 | 600~6000 | 500~12000 |
| 300 | 100~1600 | 60~2500 | 1000~10000 | 600~16000 |
| 400 | 200~3000 | 120~5000 | 1600~16000 | 1000~25000 |
| 500 | 300~5000 | 200~8000 | 2500~25000 | 1600~40000 |
| 600 | 500~8000 | 300~10000 | 4000~40000 | 2500~60000 |
Superheated Steam Density Value (relative pressure & temperature) Unit: Kg/m3
| Absolute Pressure (Mpa) | Temperature(℃) | |||||
| 150 | 200 | 250 | 300 | 350 | 400 | |
| 0.1 | 0.52 | 0.46 | 0.42 | 0.38 | ||
| 0.15 | 0.78 | 0.70 | 0.62 | 0.57 | 0.52 | 0.49 |
| 0.2 | 1.04 | 0.93 | 0.83 | 0.76 | 0.69 | 0.65 |
| 0.25 | 1.31 | 1.16 | 1.04 | 0.95 | 0.87 | 0.81 |
| 0.33 | 1.58 | 1.39 | 1.25 | 1.14 | 1.05 | 0.97 |
| 0.35 | 1.85 | 1.63 | 1.46 | 1.33 | 1.22 | 1.13 |
| 0.4 | 2.12 | 1.87 | 1.68 | 1.52 | 1.40 | 1.29 |
| 0.5 | 2.35 | 2.11 | 1.91 | 1.75 | 1.62 | |
| 0.6 | 2.84 | 2.54 | 2.30 | 2.11 | 1.95 | |
| 0.7 | 3.33 | 2.97 | 2.69 | 2.46 | 2.27 | |
| 0.8 | 3.83 | 3.41 | 3.08 | 2.82 | 2.60 | |
| 1.0 | 4.86 | 4.30 | 3.88 | 3.54 | 3.26 | |
| 1.2 | 5.91 | 5.20 | 4.67 | 4.26 | 3.92 | |
| 1.5 | 7.55 | 6.58 | 5.89 | 5.36 | 4.93 | |
| 2.0 | 8.968 | 7.97 | 7.21 | 6.62 | ||
| 2.5 | 11.5 | 10.1 | 9.11 | 8.33 | ||
| 3.0 | 14.2 | 12.3 | 11.1 | 10.1 | ||
| 3.5 | 17.0 | 14.6 | 13.0 | 11.8 | ||
| 4.0 | 17.0 | 15.1 | 13.6 | |||
Model Select
Critical Flow Nozzle Calibration Device DN15-DN200
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