Prowirl 72 – Vortex Flowmeter for Steam, Gas and Liquids
The Endress+Hauser Prowirl 72 is a robust vortex flowmeter suitable for steam, gas and liquid flow measurement. With integrated temperature and pressure sensors, it provides direct mass flow and energy measurement without additional instrumentation.
Key Features
- Measuring principle: Vortex shedding
- Nominal diameter: DN15 to DN300 (½” to 12″)
- Accuracy: ±0.75% of reading (liquids), ±1.0% (gases/steam)
- Integrated temperature measurement (optional pressure)
- Direct mass flow and energy calculation
- Process temperature: −200 to +450 °C
- Process pressure: up to 100 bar
- Output: 4–20 mA HART, PROFIBUS PA, pulse/frequency
- Explosion protection: ATEX, IECEx, FM, CSA
- Wafer, flange and remote versions available
Applications
Steam metering (saturated and superheated), compressed air, natural gas, nitrogen, industrial gases, hot water energy metering.
Technical Specifications
| Parameter | Value |
|---|---|
| Nominal diameter | DN15–DN300 |
| Accuracy (liquids) | ±0.75% of reading |
| Accuracy (gas/steam) | ±1.0% of reading |
| Process temperature | −200 to +450 °C |
| Max. process pressure | 100 bar |
| Integrated sensors | Temperature (optional pressure) |
| Communication | HART, PROFIBUS PA |
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