VWFS2 Vortex Flowmeter
Main Features
- Four Process Connection Version
- Cost-Effective
- No moving part
- Easy Installation
- 4-20 mA 2 wire connection
- Robust Design
| VWFS-2-6 | VWFS-2-10 | VWFS-2-20 | VWFS-2-25 | |
|---|---|---|---|---|
| Process Connection | G1/2" | G1/2" | G1" | G1-1/4" |
| DN format | DN6 | DN10 | DN20 | DN25 |
| Measuring Range | 0,5...10 l/m | 2...32 l/m | 5...85 l/m | 10...150 l/m |
| Accuracy | +-1% of Full Range (for less than 50% range) +-2% of Full Range (for higher than 50% range) |
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| Working Temperature | +2...+90 ºC (no thermal shock) | |||
| Ambient Temperature | 0...+65 ºC | |||
| Working Pressure | max 10 Bar | |||
| Response Time | max 3 second | |||
| Medium | Clean Liquids, Drinking Water | |||
| Body Material | PPS + GF | |||
| Power Supply | 24 Vdc (Typical). (11,5....25 Vdc) | |||
| Display | No Display | |||
| Outputs | 4-20 mA 2 wire connection | |||
| Cable Connection | M12 5 pins | |||
Flowmeter Pipe Installation
For the flowmeter to function properly, the following installation instructions must be followed;
- The inner diameter of the pipe can not smaller than the inner diameter of the VWFS-2 vortex flowmeter
- A sealing gasket is required to connect the sensor to the process joint.
- also pay attention to the flow direction as shown in below figure
- In order to be ensure the best measurement accuracy of the product, it is recommended to choose horizontal or vertical installation as shown in below picture.
- Multiple bends that are not on the same level immediately before the entrance (bend pipe) should be avoided. They can not occur within the 10xDN distance from female end of the process connector at inlet and the 5xDN distance from the female end of the process connector of the outlet of the flowmeter. Bend pipe, as shown at above picture.
The sensor must be installed in a stress-free pipeline (note: please don't install the sensor at the highest point of the pipeline or decending section of the pipeline to avoid the generation of the air bubbles.)
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| Order Code | Process Connection | DN Norm | Range |
|---|---|---|---|
| VWFS-2-6 | G1/2" | DN6 | 0,5...10 l/min |
| VWFS-2-10 | G1/2" | DN10 | 2...32 l/min |
| VWFS-2-20 | G1" | DN20 | 5...85 l/min |
| VWFS-2-25 | G1-1/4" | DN25 | 10...150 l/min |