Critical Technical Advantages
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Compact Wafer Design: With a face-to-face length of only 65 mm (2.56 in), the Prowirl D is engineered for tight spaces. It significantly reduces installation costs and weight compared to flanged meters, making it perfect for utility lines and skid-mounted equipment.
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Orifice Plate Replacement: The Prowirl D is specifically designed as a 1-to-1 replacement for orifice plates. It provides a much wider turndown ratio and lower pressure drop than differential pressure flowmeters, resulting in improved accuracy and energy savings.
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Integrated Temperature Measurement: For saturated steam applications, the sensor includes integrated temperature measurement. This allows the device to calculate mass and energy flow internally without the need for additional external sensors or flow computers.
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Easy Alignment: To ensure measurement accuracy in a flangeless design, the Prowirl D comes with centering rings. These simplify installation and ensure the sensor is perfectly aligned with the pipe bore to prevent flow profile disturbances.
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Proven Sensor Robustness: The meter utilizes a robust, drift-free capacitive sensor that is resistant to vibrations, temperature shocks, and water hammer—common issues in steam and high-velocity gas lines.
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Safe Operation and Wiring: The dual-compartment housing allows for a separate connection compartment, ensuring electronics remain protected during wiring. The display features touch control and background lighting, enabling operators to configure the device safely without opening the housing in hazardous areas.
Technical Performance Matrix
| Feature | Details |
| Measuring Principle | Vortex Shedding (ISO 12764 compliant) |
| Fluid Types | Saturated/Superheated Steam, Gases, Liquids, Cryogenic |
| Body Style | Wafer (Flangeless) |
| Face-to-Face Length | 65 mm (2.56 in) |
| Safety Ratings | SIL 2/3, ATEX, IECEx, CSA, FM |
| Communications | HART, PROFIBUS PA, FOUNDATION Fieldbus, Ethernet/IP, PROFINET |
Primary Applications
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Ancillary Steam Systems: Monitoring energy consumption in secondary steam lines for heating or cleaning.
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Industrial Gas Monitoring: Measuring nitrogen, compressed air, or CO2 in facility utilities.
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Liquid Flow Control: Reliable, low-maintenance flow measurement of water and chemicals where space is limited.
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Replacement of DP Flowmeters: Upgrading aging orifice plate installations to modern digital vortex technology with minimal piping changes.
