Rosemount 3051SFA Flowmeter

• Annubar flowmeters improve pipeline flow, thereby reducing permanent pressure loss

• Ideal for large pipeline facilities where flowmeter cost, size, and weight are primary considerations

• Exceptional accuracy + ultra-stable long-term reliability

• Ultra for Flow accuracy: ±0.04% of reading, flow turndown ratio of 14:1.

• 15-year stability, 15-year limited warranty, long-term calibration-free and maintenance-free operation.

• Fully welded SuperModule™ sealed construction, resistant to high temperatures, high pressure, and corrosion.

• Energy Savings & Reduced Consumption · Low Pressure Drop · Cost Reduction & Efficiency Improvement

• Patented T-shaped Annubar design ensures extremely low permanent pressure loss, significantly reducing energy consumption and operating costs.

• Integrated thermowell measures differential pressure, static pressure, and temperature through a single orifice, eliminating the need for additional openings.

• Smart Multi-Parameter · Built-in Flow Calculation

• Directly outputs fully compensated mass flow, volumetric flow, and energy flow, with dynamic calculations performed 22 times per second.

• Callendar-Van Dusen sensor matching ensures more accurate temperature measurement and more stable flow calculation.

• Advanced Diagnostics · Safety Compliance · Risk Mitigation

• Real-time monitoring of blockages, leaks, loop failures, and abnormal operating conditions provides early warnings and reduces unplanned downtime.

• SIL 2/3 certification (IEC 61508), NACE, explosion-proof, and other authoritative certifications, meeting safety instrumented system requirements.

• Minimal Installation · Wireless Flexibility · Plug-and-Play

• Factory-configured and leak-tested; install directly on-site with no pressure tapping lines and fewer potential leak points.

• Supports 4–20 mA, HART, WirelessHART, and FF fieldbus protocols; wireless transmission range up to 1 km; data reliability >99%.

• Suitable for pipe diameters 50–2440 mm (2–96 in) and temperatures –80 to 454 °C, covering all steam, gas, and liquid applications.

• Genuine Products · Global Service · Long-Term Warranty

• Brand-new, genuine Emerson products with traceable origins, ensuring no refurbished or counterfeit items.

• Global technical support + localized service network, with rapid response and ample spare parts.

• Industry-leading status, widely used in petroleum, chemical, power, metallurgy, and energy trading sectors.

• Measurement Types: Differential Pressure, Gauge Pressure, Process Temperature, Mass/Volume/Energy Flow

• Accuracy: ±0.04% of reading (Ultra for Flow)

• Stability: ±0.15% of reading over 15 years

• Turndown ratio: 200:1 (differential pressure); 14:1 (flow)

• Differential pressure range: Up to 2.48 bar (1000 inH₂O)

• Gauge pressure range: Up to 250 bar (3626 psia)

• Process temperature: –80 to 454°C

• Wetted Materials: 316 stainless steel, Alloy C-276 (optional)

• Communication: 4–20 mA, HART, WirelessHART, FF fieldbus

• Certifications: SIL 2/3, NACE, Explosion-proof, Classification Societies, etc.

• Warranty: 15-year limited warranty

• Accurate measurement and trade settlement of steam (saturated/superheated) flow

• Natural gas/fuel gas/compressed air flow monitoring and energy consumption management

• Flow control of high-temperature, high-pressure, and corrosive media in chemical and petrochemical industries

• Flow measurement of main steam, feedwater, and flue gas in power plants and power stations

• Flow monitoring in industrial processes such as metallurgy, papermaking, and pharmaceuticals

• Peace of mind: Genuine products, manufacturer warranty, and traceability eliminate the risk of counterfeits.

• Peace of mind in use: 15 years of maintenance-free operation, low pressure drop for energy savings, and intelligent diagnostics to prevent failures, significantly reducing operating costs.

• Accurate measurement: Integrated multi-parameter design, fully compensated flow calculation, and industry-leading accuracy ensure precision in trade settlement and process control.

• Reliable service: Technical support + rapid local response, ample spare parts, and worry-free after-sales service.

• Original manufacturer's standard packaging, including installation accessories, user manual, certificate of conformity, and traceability certificate.

• Delivery Lead Time: Custom-made by the manufacturer without delaying delivery schedules.

• Comprehensive one-stop service supporting technical consultation, product selection guidance, and installation/commissioning training.

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