| Place of Origin: | China (Mainland) |
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| Brand Name: | Qinwei |
| Model Number: | HL-LWS |
Quick Details
Specifications
Specifications
1, corrosion and rust steel for the health sector;
2, easy installation and maintenance;
3, high accuracy, good repeatability;
2, easy installation and maintenance;
3, high accuracy, good repeatability;
vortex flowmeter has little pressure loss, broad span range and high accuracy. It is not under influence of density, pressure, temperature and viscocity when measuring volumetric flow. It has no movable mechanical parts with high reliability and little maintenance.
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Parameter of vortex flow meter |
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Measured Mediums |
liquids, gases and steams (NOTE: the mediums should be unidirectional or can be seen as unidirectional.) |
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When the dryness of saturated steams ≥85%, they can be seen as unidirectional. |
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Temperature of Mediums |
- 40°C ~ + 350°C |
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Pressure of Mediums |
1.6MPa, 2.5MPa, 4.0 MPa |
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For over 4.0 MPa, please contact us freely, for it needs special customization. |
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Accuracy |
1.0; 1.5 |
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Span Rate |
1:8 ~ 1:30(compared with the standard atmospheric pressure) |
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1:8 ~ 1:40 ( compared with the nominal temperature water) |
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Flow Range |
Liquids: 0.4 ~ 7.0 m/s |
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Gases: 4.0 ~ 60.0 m/s |
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Steams: 5.0 ~ 70.0 m/s |
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Nominal Diameter |
DN 25, 40, 50, 65, 80, 100, 125, 150, 200, 250,300 mm |
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Materials |
1Cr18Ni9Ti |
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Reynolds No. |
Normally, 2*104 ~ 7*106 |
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Resistance Coefficient |
Cd ≤ 2.6 |
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Licensed Vibration Acceleration |
LUGB type ≤ 0.2g |
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Class of Protection |
IP65 |
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Class of Explosion-Proof |
Intrinsically Safe Explosion-Proof: Exia II CT2 ~ CT6 |
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Explosion Suppression: Exid II CT4 |
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Conditions of Surroundings |
Temperature of Surroundings: |
Non-Explosion Proof Surroundings: -40°C~ +55°C |
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Explosion-Proof Surroundings: -20°C~ +55°C |
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Relative Humidity: |
≤ 85% |
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Atmospheric Pressure: |
86 ~ 106 kPa |
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Power Supply |
Non-Explosion Proof Type |
Pulse type: |
+12 VDC ( the output current is 4 ~ 20mA) |
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Current type: |
+24 VDC ( the output current is 4~ 20mA) |
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Explosion-Proof Type |
Current type: |
+24 VDC ( the output current is 4~20mA) |
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Output Signal |
Frequency pulse signal 2~3000Hz, low level voltage ≤1V, high level voltage ≥ 6V |
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Two-wire system 4 ~ 20mA signal (isolation output), load ≤ 500Ω. |
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Measure range of vortex flow meter |
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Diameter (mm) |
Water |
Gases in the Normal Temperature and Pressure |
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Range of Standard Measurement (m3/h) |
Range of Standard Measurement (m3/h) |
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25 |
2 ~ 16 |
8~60 |
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32 |
1.5~15 |
14~100 |
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40 |
3~30 |
18~180 |
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50 |
4~40 |
30~300 |
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65 |
6~60 |
50~500 |
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80 |
13~130 |
70~700 |
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100 |
20~200 |
100~1000 |
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125 |
36~360 |
150~1500 |
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150 |
50~500 |
200~2000 |
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200 |
100~1000 |
400~4000 |
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250 |
150~1500 |
600~6000 |
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300 |
200~2000 |
1000~10000 |