Products Description
The Rosemount 4051SFA Annubar Flow Meter features an averaging pitot tube that delivers superior measurement accuracy over a wide flow range. Its T-shaped sensor is engineered with an integrated thermowell, capable of obtaining measurements via a single pipe penetration while maintaining a small profile in the pipe to reduce permanent pressure loss and increase energy savings. With an industry-leading 20 year warranty and 20 year stability, the Rosemount 4051SFA Annubar Flow Meter is built to withstand tough processes and harsh environments. Bluetooth® connectivity lets you simplify configuration and maintenance while increasing personnel safety. Plus, built-in advanced diagnostics give you more insights to keep you informe.
Features
- T-shape Annubar design features very low permanent pressure loss
- Flow meters come fully configured, leak-tested & ready to install right out of the box for fast installation
- Sensor stagnation zone positioned to reduce noise, measurement inaccuracies and keeps particulates from clogging
- Bluetooth® connectivity to simplify configuration & maintenance & increase personnel safety
- Graphical, backlit display is larger, easier to read & available in seven languages
- All-welded hermetic stainless steel SuperModule platform resists overpressure and line pressure effects
- Industry-leading 20 year limited warranty & 20 year stability
- Faster response times, less than 50ms
- 800:1 rangedown reduces the number of unique models you need to stock
- Complete diagnostic coverage from process to control room
- Fast & easy device connection simplifies operator rounds
- SIL 2/3 certified to IEC 61508 (via 3rd party) and prior-use certificate of FMEDA data for safety installations
Common Challenges & The Rosemount 3051SFA + Annubar Solution
|
Challenge |
Common Issue with Other Technologies |
How Our System Solves It |
|
High Energy Cost of Steam Leaks & Inefficiency |
Inaccurate steam flow measurement leads to undetected losses and poor energy management. |
Uncompromised Accuracy: The 3051SFA's absolute pressure reference provides critical data for precise mass flow calculation of steam, identifying losses and inefficiencies. |
|
Excessive Operating Cost from High Pressure Loss |
Orifice plates create significant permanent pressure loss, increasing pumping/compression costs. |
Minimal Pressure Loss: The Annubar design has a very low permanent pressure loss, dramatically reducing energy consumption and operating costs. |
|
Installation Complexity & High Cost |
Assembling a flow system from separate components is time-consuming and introduces leak points. |
Simplified System Integration: We provide a pre-engineered solution with guaranteed performance, reducing engineering time, installation labor, and potential leak points. |
|
Drift in Flow Readings Over Time |
Inaccurate pressure reference leads to drift in flow calculations, requiring frequent recalibration. |
Exceptional Long-Term Stability: The 3051SFA's vacuum reference cavity is immune to atmospheric pressure changes, ensuring drift-free performance and reduced maintenance. |
Core Technical Advantages
· Superior Accuracy with Absolute Pressure Compensation: The 3051SFA provides a true absolute pressure reading, which is essential for calculating mass flow of compressible fluids like steam and gas, especially when temperature varies.
· Significant Energy Savings: The Annubar element's low permanent pressure loss design reduces the load on compressors and pumps, leading to substantial energy cost reduction.
· Proven, Robust Design: The Annubar is a simple, rugged device with no moving parts, ideal for dirty gas and saturated steam applications. It is resistant to clogging.
· PlantWeb® Ready: The 3051SFA transmitter comes with advanced diagnostics and digital communication protocols (HART®, FOUNDATION™ Fieldbus, PROFIBUS PA), enabling easy integration into digital ecosystems for predictive maintenance and data analytics.
· Global Certification & Safety: The system components carry major international certifications (ATEX, IECEx, SIL) for use in hazardous areas, ensuring safety and compliance.
Typical Application Scenarios
· Steam Flow Measurement: For boiler output, turbine steam, and plant-wide steam distribution networks for energy accountability.
· Combustion Air Flow: Monitoring air intake to boilers and furnaces for optimizing combustion efficiency.
· Natural Gas Flow: Measuring fuel gas to processes, heaters, and turbines.
· Compressed Air Flow: Monitoring system efficiency and detecting leaks in compressed air systems.
· Flue Gas Flow: Measuring stack gas flow for environmental reporting and process control.
Product Keywords
Rosemount 3051SFA Annubar, Annubar Flow Meter, Averaging Pitot Tube, Steam Flow Meter,Gas Flow Measurement, Air Flow Meter, DP Flow Element, Energy Monitoring Flow Meter,Low Pressure Loss Flow Meter, Absolute Pressure Compensation, Mass Flow Calculation, Industrial Flow Solution,Accurate Steam Flow, Reduce Energy Cost, Low Maintenance Flow Meter, Digital Flow System
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