FOXBORO FBM241C Vortex Flow Meter

Description

FOXBORO FBM241C Vortex Flow Meter

Product Dimensions：

The Foxboro Vortex Flow Meter (by Schneider Electric) is a high-performance industrial flow measurement device designed for liquid, gas, and steam applications. Operating on the Von Kármán effect, it measures the frequency of vortices shed by a bluff body placed in the flow stream, delivering accurate volumetric and mass flow measurements across demanding process industries.

Product Detailed Description

Foxboro vortex shedding flow meters—such as the popular Model 84 Series (e.g., 84F Flanged, 84W Wafer, 84S Sanitary)—feature a rugged, no-moving-parts design. Utilizing advanced sensor technology and Digital Signal Processing (DSP), these meters filter out line noise and vibration to maintain precise measurement stability. Multi-variable models incorporate integrated temperature compensation, allowing direct mass flow calculation for saturated steam and thermal energy applications.

Product Parameters

Product Advantages

• No Moving Parts: Eliminates mechanical wear and tear, significantly reducing maintenance downtime and calibration drift over time.
• Patented Sensor Technology: Sensors are isolated from the process stream, allowing sensor replacement under process pressure without interrupting flow (on select designs).
• Advanced Noise Suppression: Adaptive digital signal processing filters out pipeline vibration and hydrodynamic noise for stable low-flow readings.
• Multivariable Capability: Optional embedded temperature sensor provides real-time density correction and mass flow output for saturated steam without needing external transmitters.

Precautions & Considerations

• Straight Pipe Run Requirements: Requires adequate upstream (typically 15–30D) and downstream (5D) straight pipe runs to ensure a stable flow profile before vortex generation.
• Low-Flow Cutoff: Below a minimum Reynolds number (approx. R_e < 10,000), vortex shedding becomes irregular, limiting measurement accuracy at extremely low velocities.
• Viscosity Limits: High-viscosity fluids dampen vortex creation; optimal performance occurs with fluid viscosities below 10 cP.
• Pipeline Thermal Shock: Rapid temperature fluctuations should be avoided during initial commissioning to prevent thermal stress on the meter body gasket interfaces.

Product Applications

• Steam & Boiler Systems: Saturated and superheated steam flow metering, energy auditing, and condensate tracking.
• Chemical & Petrochemical Processing: Volumetric and mass measurement of liquid hydrocarbons, solvents, and industrial gases.
• Power Generation: High-temperature feed-water, main steam line monitoring, and auxiliary gas flow lines.
• Oil & Gas Industry: Custody transfer support, natural gas distribution, and utility allocation lines.

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