Rosemount 3051CFP Integral Orifice Flow Meter

• Product Name: Rosemount 3051CFP Flow Meter
• Model Code: 3051CFP
• Manufacturer: Emerson (Rosemount)

The Rosemount 3051CFP Integral Orifice Flow Meter is a high-performance, differential pressure-based flow measurement solution that combines a precision integral orifice sensor with a trusted Rosemount 3051 transmitter core. It is designed for accurate, reliable flow measurement of liquids, gases, and steam in industrial process applications. The integral orifice design minimizes installation complexity and improves long-term stability and performance.

Key Features of Rosemount 3051CFP Integral Orifice Flow Meter 

• Integrated Orifice and Transmitter: Factory-aligned integral orifice plate permanently integrated with the 3051 transmitter for optimum differential pressure measurement.
• High Accuracy and Repeatability: Precision engineered for tight tolerances, minimizing measurement uncertainty across wide flow ranges.
• Wide Serviceability: Suitable for liquids, gas, and steam with appropriate calibration and configuration.
• Reduced Installation Errors: Eliminates separate orifice plate installation and alignment issues.
• Advanced Diagnostics: Built-in device diagnostics for self-monitoring and improved uptime.
• HART and Wireless Options: Supports HART communication; available in wireless configurations for remote monitoring.
• Rugged Industrial Design: Designed for harsh process environments with robust materials and enclosure options.

Performance Specifications Rosemount 3051CFP

Parameter	Specification
Measurement Principle	Differential pressure via integral orifice plate
Accuracy	≤ ±0.5% of calibrated span (application dependent)
Repeatability	≤ ±0.1%
Turndown Ratio	Up to 10:1 (application dependent)
Operating Fluid	Liquids, gases, steam
Operating Pressure	Up to 414 bar (6000 psi) depending on configuration
Operating Temperature	–40°C to +120°C (–40°F to +248°F) (depending on sensor and housing materials)
Process Connection	ANSI, DIN, or customized flanged connections
Differential Pressure Range	Application dependent, selected per process requirements

Mechanical Specifications of Rosemount 3051CFP

Attribute	Details
Materials of Construction	Stainless Steel, Carbon Steel, Alloy options
Orifice Plate	Integral to transmitter, precision bored
Housing	Weatherproof (NEMA 4X / IP66) options
Mounting	Pipe-mounted integral orifice orientation
Wetted Parts	Corrosion resistant materials (to match fluid service)

Electrical and Communication

Feature	Specification
Output	4–20 mA with HART protocol
Power Supply	10.5–42 VDC typical
Optional Communication	WirelessHART, FOUNDATION fieldbus (depending on model)
Display	Optional LCD local display for field readouts
Diagnostics	Device health, sensor drift, loop integrity checks

Installation and Configuration

• Installed in line with the flow path ensuring correct orientation of differential pressure taps.
• No separate orifice plate installation is required; integral design simplifies field rigging.
• Configurable via HART handheld, AMS Device Manager, or equivalent configuration tool.
• Zeroing and calibration checks should be performed after installation and periodically in service.

Environmental and Safety Ratings

• Ingress Protection: IP66 / NEMA 4X (depending on housing option)
• Hazardous Area Approval: Options available for Class I, Division 1/2; ATEX/IECEx certified versions
• Operating temperature and sealing options tailored to ambient and process conditions.

Compliance and Standards

• Designed in accordance with international flow measurement standards, including ISO 5167 (for orifice plates) and applicable industry guidelines.
• Compliant with IEC/EN safety and electromagnetic compatibility standards.
• Calibration traceable to national/international measurement standards.

Applications

• Chemical and petrochemical processing
• Oil & gas production and midstream
• Utilities and steam measurement
• Water and wastewater facilities
• General process control industries

Ordering Information

Typical options to specify:

• Process fluid type (liquid/gas/steam)
• Pipe size and schedule
• Material of construction
• Pressure and temperature ratings
• Communication protocol (HART/WirelessHART)
• Local display option
• Hazardous area certification

Part description: Rosemount 3051CFP – Integral Orifice Flow Meter, 4″ ANSI flanged, 316SS, 0–150 psi differential, HART communications, IP66.

Benefits Summary

• Simplified installation and commissioning
• Fewer leak points and improved reliability
• High accuracy and long-term stability
• Flexible communication and diagnostics
• Reduced total cost of ownership