MICROMOTION CN6050S291NABAEZZZ Micro Motion Compressed Gas Natural Flow CNG050S291NABAZEZZZ Meters 3/4

( Brand: Micromotion ), ( Manufacturer Part Number: CN6050S291NABAEZZZ ), ( Part Type: Flow Meter ), ( Flow Meter Type: Mass Flow Meter ), ( Port Diameter: 3/4 In ), ( Country Of Origin: United States )

Review MICROMOTION Micro Motion Compressed Natural Gas Flow Meters 3/4 Inch

The **Micro Motion CN6050S291NABAEZZZZ (CNG050S291NABAZZZZ) Compressed Natural Gas Flow Meter** is a high-performance, smart flow measurement solution engineered specifically for demanding applications in compressed natural gas (CNG) distribution, refueling infrastructure, and industrial gas processing. Part of Emerson s renowned Micro Motion portfolio, this **corrosive natural gas (CNG) flow meter** combines advanced Coriolis mass flow technology with robust construction to deliver unparalleled accuracy, reliability, and operational efficiency in environments where gas composition, pressure, and temperature fluctuations are common. Designed for **3/4-inch (DN20) pipe sizes**, this compact yet durable flow meter is ideal for monitoring and controlling CNG flow in refueling stations, gas compression systems, pipeline metering, and industrial gas applications where precise mass flow measurement is critical for billing, safety, and process optimization.

At its core, the **CN6050S290 series** leverages **Coriolis mass flow technology**, which directly measures the mass flow rate of the gas without relying on density assumptions or temperature/pressure corrections, ensuring superior accuracy ( 0.1% of reading for most applications) even in challenging conditions. The **S291NABAEZZZZ** variant is specifically configured for **compressed natural gas (CNG)**, featuring a **stainless steel (SS316L) wetted path** to resist corrosion from moisture, hydrogen sulfide (H S), and other aggressive components commonly found in CNG streams. The **NABAE** designation indicates a **flanged connection (3/4" ANSI Class 150 or equivalent)**, providing a secure, leak-tight interface for high-pressure applications, while the **ZZZZ** suffix denotes a **standard electrical connection** (typically 4-20 mA analog output with HART communication) for seamless integration into SCADA systems or automated control networks.

One of the standout features of this flow meter is its **wide operational range**, capable of handling **compressed natural gas pressures up to 1,500 psi (103 bar)** and **temperatures from -40 F to 300 F (-40 C to 150 C)**, making it suitable for both underground pipeline metering and above-ground refueling infrastructure. The **self-diagnostic capabilities** of the Micro Motion CN6050 ensure continuous monitoring of sensor health, zero stability, and flow regime, reducing downtime and maintenance requirements. Additionally, the **built-in temperature and pressure sensors** eliminate the need for external transmitters, simplifying installation and reducing system complexity. The **HART communication protocol** enables advanced functionality, including **two-wire 4-20 mA signaling, device description, and diagnostic troubleshooting**, allowing operators to remotely configure parameters, verify calibration, and detect potential issues before they impact operations.

For applications where **energy accounting, emissions compliance, or process optimization** is essential, the **CNG050S291NABAZZZZ** delivers real-time mass flow data with **high repeatability and low hysteresis**, ensuring accurate billing and regulatory compliance. Its **compact, modular design** allows for easy retrofitting into existing systems, while the **IP65-rated electronics enclosure** provides protection against environmental contaminants, making it suitable for both indoor and outdoor installations. Whether deployed in a **CNG refueling station, gas compression facility, or industrial gas processing plant**, this flow meter serves as a critical component for enhancing efficiency, reducing operational costs, and ensuring safety in high-pressure gas applications. With its **industry-leading accuracy, corrosion-resistant construction, and seamless integration capabilities**, the **Micro Motion CN6050S291NABAEZZZZ** stands as a reliable choice for organizations demanding precision in compressed natural gas measurement.

### **Pros and Cons of buying a Micromotion CN6050S291NABAEZZZZ (CNG050S291NABAZZZZ) Compressed Natural Gas Flow Meter (3/4")**

1. **High Accuracy and Reliability** Micromotion flow meters are known for their Coriolis-based technology, which provides precise, mass flow measurement with minimal drift over time. This ensures consistent performance in natural gas applications, reducing billing discrepancies and operational errors.

2. **Wide Rangeability** The meter can handle a broad range of flow rates (from very low to very high) without requiring recalibration, making it versatile for varying demand scenarios in CNG stations or industrial gas applications.

3. **Durability and Robust Construction** Built for harsh environments, the meter is designed to withstand high pressures (up to 1,000 psi or higher, depending on model) and extreme temperatures, reducing maintenance needs and downtime.

4. **Low Pressure Drop** Unlike traditional orifice-based meters, Coriolis meters minimize pressure loss in the system, improving efficiency and reducing energy costs for gas compression and distribution.

5. **Digital Output and Smart Features** The meter integrates with SCADA systems, PLCs, or gas management software, enabling real-time monitoring, data logging, and remote diagnostics. This enhances operational efficiency and predictive maintenance.

6. **Compliance with Industry Standards** Micromotion meters are certified for compliance with standards such as **ISO 50001 (energy management)**, **API MPMS Chapter 14 (gas measurement)**, and **AWWA C107** (for water/gas applications), ensuring regulatory adherence in CNG and gas utilities.

7. **Long-Term Cost Savings** While the initial investment is higher than some traditional meters, the accuracy, durability, and reduced maintenance costs often justify the expense over time, especially in high-volume applications.

8. **Multi-Phase Capability (Optional)** Some Micromotion models can measure gas-liquid mixtures, which may be useful in certain CNG or biogas applications where condensate or moisture is present.

9. **Local and Remote Calibration** The meter supports field calibration (via built-in diagnostics) and remote calibration services, reducing downtime and ensuring consistent performance without removing the meter from service.

10. **Environmental Resistance** The housing is typically made of stainless steel or other corrosion-resistant materials, making it suitable for outdoor or corrosive indoor environments common in gas infrastructure.

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1. **High Initial Cost** Coriolis meters are significantly more expensive than traditional turbine or ultrasonic meters. The upfront investment may be prohibitive for small-scale CNG operators or budget-constrained projects.

2. **Complex Installation and Commissioning** Requires trained personnel for proper installation, piping, and calibration. Poor installation (e.g., improper straight-run requirements or vibration issues) can degrade performance.

3. **Sensitivity to Vibration and Pulsations** While robust, the meter can be affected by excessive vibration or pulsating flow (common in some CNG compressors). Additional dampening or straight-pipe runs may be needed.

4. **Limited Availability of Spare Parts** As a specialized meter, finding replacement sensors, seals, or calibration tools may be difficult or delayed compared to more common flow meters.

5. **Power Dependency** Requires electrical power for operation and data transmission. In remote or off-grid CNG stations, backup power solutions may be necessary.

6. **Flow Rate Limitations for Small Pipes** While the 3/4" size is suitable for many applications, very low flow rates (e.g.,

7. **Potential for Condensate Buildup** In humid or cold environments, moisture or condensate in the gas stream can affect accuracy. Drain valves or moisture separators may be needed.

8. **Software and Integration Complexity** Advanced features (e.g., trending, alerts, or integration with ERP systems) require compatible software, which may add to the total cost of ownership.

9. **Calibration Requirements** Unlike some simpler meters, Coriolis meters require periodic calibration (typically annually or as per manufacturer guidelines) to maintain accuracy, adding to long-term operational costs.

10. **Not Ideal for Highly Abrasive Gases** While designed for natural gas, extremely dirty or abrasive gases (e.g., with high particulate content) may require additional filtration or pre-treatment to prevent wear.

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### **Conclusion**

The **Micromotion CN6050S291NABAEZZZZ (CNG050S291NABAZZZZ) 3/4" flow meter** is a high-performance, Coriolis-based solution ideal for applications requiring **precision, durability, and smart monitoring** in compressed natural gas (CNG) systems. Its strengths lie in **accuracy, wide rangeability, and integration capabilities**, making it well-suited for **utility-scale CNG stations, industrial gas distribution, or critical billing applications** where measurement integrity is non-negotiable.

However, the **high cost, complex installation, and maintenance needs** may make it less practical for **small-scale or cost-sensitive projects**. If budget is a constraint, alternatives like **ultrasonic or turbine meters** (with proper validation) might be considered, though they typically offer lower accuracy and rangeability.

For most **large-scale CNG deployments, pipeline metering, or applications requiring compliance with strict measurement standards**, the Micromotion meter is a **strong recommendation** due to its long-term reliability and efficiency gains. Smaller operators or those with tight budgets should carefully weigh the **ROI against alternatives** and ensure the meter s specifications align with their exact flow rate and environmental conditions.

- **Buy if:** You need **high-accuracy mass flow measurement** in a **durable, smart-enabled meter** for **CNG distribution, utility billing, or industrial gas applications** where precision and compliance are critical.

- **Avoid if:** Your application is **low-volume, cost-sensitive, or lacks the infrastructure** (e.g., power, IT integration) to support a Coriolis meter.

- **Consider alternatives (e.g., ultrasonic or turbine meters) only if:** Your requirements can be met with **lower accuracy ( 1-2% vs. 0.1-0.5%)** and you prioritize **lower upfront costs**. Always validate alternatives with **third-party testing** to ensure they meet your measurement needs.

Details:

With a port diameter of 3/4 inches, this flow meter is suitable for wide range industrial applications. Manufactured by Micromotion in the USA, this product ensures accurate and reliable measurements of gas flow rates various sectors such as hydraulics, pneumatic, pumps, plumbing. The MICRO MOTION CNG050S291NABAZEZZZ Compressed Natural Gas Flow Meter is a high-quality mass flow meter designed for measuring the of compressed natural gas. Ideal for businesses working with natural gas, this flow meter provides essential data efficient and precise operations.

part #: cn6050s291nabaezzz prices

• $450.00-$600.00

specifications pneumativalv:

• brand: Micromotion
• mpn: Cn6050s291nabaezzz
• part type: Flow Meter
• flow meter type: Mass Flow Meter
• port diameter: 3/4 In
• country of origin: United States

offer pneumativalv:

• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: March 22, 2026

shipping pneumativalv:

• transit: 5-11 Days
• type: Fixed
• cost: $50.00
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage

seller pneumativalv:

• rating: 100.0%
• # reviews: 355
• city: Palm Desert, California

returns pneumativalv:

• policy: No Returns

general pneumativalv:

• Pump Flow Controllers > Flow Controllers Meters > Flow Meters
• condition: Used

payments pneumativalv:

• credit card: Visa
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• other

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