Emerson Rosemount 2051CFP Coplanar Flow Primary is a flow measurement solution developed on Emerson's patented Coplanar™ platform, optimized for differential pressure transmitters working directly with primary flow elements.
This design provides: ✔ Shorter installation time ✔ Fewer connection points ✔ Lower leakage risk ✔ Higher measurement accuracy ✔ Long-term stable performance ✔ Lower total cost of ownership (TCO)
2051CFP is preferred in power plants, petrochemical facilities, natural gas applications, OEM skid systems, and process industries for reliable flow measurement.
Rosemount 2051CFP is widely used in the following applications:
Flow measurement with Orifice Plate
Venturi Tube applications
Pitot Tube systems
Steam flow measurement
Gas flow measurement
Liquid flow control
Energy consumption calculations
Process optimization
Heat exchanger performance monitoring
Natural gas and LNG processes
| Parameter | Description |
|---|---|
| CFP | Coplanar Flow Primary |
| Measurement Range | Low, medium, and high differential pressure |
| Process Connection | ANSI, DIN, or NPT |
| Output | 4–20 mA HART®, FOUNDATION™ Fieldbus, PROFIBUS PA |
| Housing | Aluminum or Stainless Steel |
| Wetted Parts | 316L SS, Hastelloy®, Monel®, Tantalum |
| Certifications | ATEX, IECEx, FM, CSA, SIL |
Note: Communication protocols, material options, and certifications vary depending on the ordered model code.
2051CFP1A02A1AB4 Low differential pressure ½" NPT 316L SS 4–20 mA HART Aluminum housing IP66
2051CFP2A22F1AB4 Medium pressure range 2" DIN Flange 316L SS FOUNDATION™ Fieldbus NEMA 4X / IP66
2051CFP3A05P1AB4 High pressure range 1" ANSI Flange PROFIBUS PA Stainless steel housing
Note: Final model validation must be done using Emerson Rosemount datasheet and order code.
Rosemount 2051CFP operates as follows:
The primary flow element generates differential pressure.
The coplanar sensor detects the pressure difference between two points.
The sensor cell converts the pressure into an electrical signal.
The microprocessor applies temperature compensation.
The measurement is transmitted via 4–20 mA HART®, FOUNDATION™ Fieldbus, or PROFIBUS PA to PLC/DCS systems.
Flow calculation is reliably performed in the control system.
| Parameter | Specification |
|---|---|
| Measurement Type | Differential Pressure |
| Communication | HART®, FOUNDATION™ Fieldbus, PROFIBUS PA |
| Output | 4–20 mA |
| Process Connections | ANSI, DIN, NPT |
| Wetted Parts | 316L SS, Hastelloy®, Monel®, Tantalum |
| Housing | Aluminum / Stainless Steel |
| Protection | IP66 / NEMA 4X |
| Certifications | ATEX, IECEx, FM, CSA |
| Safety | SIL-compliant options (depending on model) |
2051CFP is widely used in the following sectors:
⚡ Power plants
🛢️ Oil and refinery
🧪 Chemical plants
🔥 Natural gas
❄️ LNG terminals
💧 Water and wastewater
🌿 Food and beverage
💊 Pharmaceutical industry
🧻 Pulp and paper
🔧 OEM skid systems
♨️ Steam systems
🚢 Marine applications
✔ Coplanar transmitter + primary flow element integration ✔ Fewer installation points ✔ Lower leakage risk ✔ Long-term measurement stability ✔ HART®, FOUNDATION™ Fieldbus, and PROFIBUS PA support ✔ Global certification options ✔ Low maintenance cost ✔ Long service life ✔ Ideal solution for EPC and OEM projects
Recommended checks after installation:
Zero Trim
Sensor Trim
Loop Test
HART® communication test
Manifold sealing check
Impulse line venting
Reference pressure verification
These procedures improve long-term measurement accuracy.
| Problem | Possible Cause | Solution |
|---|---|---|
| Measurement drift | Calibration shift | Zero Trim |
| Noisy signal | EMC effect | Grounding check |
| Unstable reading | Air bubbles | Impulse line check |
| Communication error | HART® configuration | Parameter verification |
| No output signal | Power supply issue | Check power source |
| Model | Structure | Purpose |
|---|---|---|
| 2051CFA | Transmitter + Manifold + Primary Element | Complete flow measurement solution |
| 2051CFC | Transmitter + Manifold | Primary element selected in the field |
| 2051CFP | Transmitter + Primary Flow Element | Compact flow measurement and easy installation |
What is the difference between 2051CFP and 2051CFA? 2051CFA provides transmitter, manifold, and primary flow element in one solution, while 2051CFP focuses on transmitter and primary flow element integration.
Which communication protocols does 2051CFP support? Standard: 4–20 mA HART®. Optional: FOUNDATION™ Fieldbus and PROFIBUS PA.
Where is it typically used? Steam, gas, and liquid flow measurement, power plants, natural gas, LNG, petrochemical, and OEM skid systems.
How long does the RFQ process take? Yeşil Grup Enerji typically responds within 24–48 hours through its global sourcing network.
Yeşil Grup Enerji provides the following services:
Model code validation
Datasheet analysis
Technical configuration support
Cross-reference studies
Alternative product evaluation
Global sourcing
Fast RFQ management
EPC and OEM project support
International logistics coordination
📧 [email protected] 📞 +90 505 696 61 00 🌐 www.yesilgrupenerji.com
Yeşil Grup Enerji is not an official distributor of the brands mentioned in this content. Operating as an independent, multi-brand industrial supplier, it provides technically validated, competitive, and fast sourcing solutions through its global network.
Emerson Rosemount 2051CFP Coplanar Flow Primary combines the transmitter and primary flow element in an optimized design, delivering high accuracy, easy installation, and long-term measurement stability for differential pressure-based flow measurement. It stands out with reliable performance in energy, oil & gas, chemical, water & wastewater, LNG, and OEM applications.
Yeşil Grup Enerji supports your projects with model validation, technical configuration, datasheet analysis, alternative product evaluation, global sourcing, and fast RFQ response. This structure accelerates maintenance processes, reduces sourcing risks, and optimizes total cost of ownership.