YOKOGAWA YF102-NNNB2A-S3S3 Fmf Yewflo Vortex Flowmeter Km E/fmf 263.0P/GAL CF8M

( Brand: Yokogawa ), ( Manufacturer Part Number: YF102-NNNB2A-S3S3 )

Review YOKOGAWA E/fmf Used Yewflo Vortex Flowmeter Km 263.0p/gal

The **Yokogawa YF102-NNNB2A-S3S3 E/FMF YEWFLO Vortex Flowmeter (KM 263.0 p/gal, CF8M)** is a high-performance, industrial-grade flow measurement instrument designed to deliver exceptional accuracy, reliability, and versatility in demanding fluid handling applications. Part of Yokogawa s advanced YEWFLO series, this vortex flowmeter leverages cutting-edge vortex shedding technology to provide precise, real-time flow measurement across a wide range of liquids, gases, and steam applications. Engineered with a robust **KM 263.0 p/gal (pounds per gallon) pressure rating**, this model excels in environments where fluid density and viscosity can fluctuate, ensuring consistent performance even under varying operating conditions. The **CF8M (stainless steel, 316-grade) construction** enhances corrosion resistance, making it ideal for use in chemical processing, pharmaceutical, food and beverage, and water treatment industries where hygiene and material integrity are paramount.

The YF102 s **E/FMF configuration** integrates a **dual-sensor vortex shedding principle**, which significantly improves measurement stability and reduces susceptibility to external disturbances such as vibrations or temperature fluctuations. This design ensures minimal signal drift, resulting in high repeatability and accuracy critical for applications requiring precise inventory control, process optimization, or compliance with stringent industry standards. The flowmeter s **S3S3 output** likely referring to its **dual analog (4-20 mA) and digital (HART or Foundation Fieldbus) communication capabilities** enables seamless integration with Yokogawa s EJX series transmitters or third-party SCADA systems, facilitating advanced monitoring, diagnostics, and remote troubleshooting. Whether deployed in a **pipeline, tank, or process vessel**, this flowmeter s compact yet durable housing, combined with its **wide turndown ratio (up to 100:1)**, makes it a versatile solution for both low-flow and high-flow applications.

Beyond its technical specifications, the YF102-NNNB2A-S3S3 stands out for its **low-maintenance design**, featuring a **self-cleaning vortex shedding element** that minimizes clogging and extends operational lifespan. Its **wide temperature range compatibility** (typically -40 C to 150 C, depending on the fluid) further expands its applicability in extreme environments, such as refrigerated storage or high-temperature steam systems. Yokogawa s reputation for **calibration excellence** ensures that this flowmeter maintains its precision over extended periods, reducing the need for frequent recalibration and downtime. Whether used for **batch processing, leak detection, or energy management**, the YF102 delivers a harmonious blend of engineering precision, durability, and adaptability, making it a cornerstone of modern fluid measurement infrastructure.

### **Pros and Cons of buying a Yokogawa YF102-NNNB2A-S3S3 (E/FMF YEWFLO Vortex Flowmeter, KM 263.0 p/gal, CF8M)**

#### **Pros**

1. **High Accuracy and Reliability**

The Yokogawa YF102 is a well-established vortex flowmeter known for its precision in measuring liquid and gas flow rates. It uses vortex shedding technology, which is robust against fluctuations in flow velocity, making it suitable for demanding industrial applications.

2. **Wide Range of Applications**

This model supports both **E (Electrical) and FMF (Fieldbus Foundation) communication protocols**, allowing integration with various industrial control systems (SCADA, PLCs, etc.). The **KM 263.0 p/gal (pounds per gallon) conversion factor** suggests it is optimized for applications where density-based flow measurement is critical, such as in chemical processing, oil & gas, and water treatment.

3. **Durable Construction**

The **CF8M (high-alloy stainless steel) material** ensures resistance to corrosion, abrasion, and high temperatures, making it suitable for harsh environments like chemical plants, refineries, and wastewater treatment facilities.

4. **Low Maintenance Requirements**

Vortex flowmeters generally have fewer moving parts compared to turbine or positive displacement meters, reducing wear and tear. The sensor is typically housed in a robust housing, minimizing the need for frequent calibrations or replacements.

5. **Compatibility with Yokogawa s Ecosystem**

Yokogawa is a trusted brand in industrial automation, and this flowmeter is designed to work seamlessly with their **EXAquantum** or **EXAact** controllers, as well as third-party systems via Modbus, Profibus, or Foundation Fieldbus.

6. **Good Repeatability and Stability**

Vortex meters maintain consistent performance over time, making them ideal for batch processing, inventory control, and metering applications where accuracy is non-negotiable.

7. **Wide Flow Range**

The meter can handle a broad range of flow rates, from low to high velocities, without requiring multiple sensors for different applications.

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#### **Cons**

1. **Higher Upfront Cost**

Yokogawa s industrial-grade flowmeters are generally more expensive than basic mechanical or ultrasonic alternatives. The **CF8M material and advanced communication options** contribute to the higher price point.

2. **Sensitivity to Fluid Properties**

While vortex meters are robust, they perform best with **clean, non-viscous fluids**. Highly viscous, turbulent, or contaminated fluids (e.g., slurries, emulsions) may require additional conditioning (straight-run piping, filters) to ensure accurate readings.

3. **Limited Direct Density Measurement**

The **KM 263.0 p/gal conversion factor** suggests it may be used for mass flow calculation, but it does not inherently measure density it relies on predefined density settings. If the fluid density changes significantly, recalibration may be needed.

4. **Straight-Run Requirements**

Like most flowmeters, the YF102 requires **upstream and downstream straight piping** (typically 10-20 pipe diameters) to avoid turbulence and ensure accurate vortex formation. This may require additional piping modifications in retrofitting applications.

5. **Potential Signal Noise in Turbulent Conditions**

In highly turbulent or pulsating flows, vortex shedding may become erratic, leading to measurement inaccuracies. Additional flow conditioners (e.g., vortex generators) may be necessary in such cases.

6. **Limited Support for Highly Abrasive or Corrosive Fluids Without Special Upgrades**

While CF8M stainless steel is corrosion-resistant, extremely aggressive chemicals (e.g., strong acids, caustics) may still require additional protective coatings or alternative materials.

7. **Dependency on Power Supply**

Being an electronic device, it requires a stable power source. In applications with frequent power fluctuations, an uninterruptible power supply (UPS) or backup battery may be needed.

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### **Conclusion**

The **Yokogawa YF102-NNNB2A-S3S3** is a **high-quality, reliable vortex flowmeter** ideal for **industrial applications requiring precision, durability, and compatibility with advanced control systems**. Its **CF8M construction, dual communication protocols (E/FMF), and optimized conversion factors** make it suitable for **chemical processing, oil & gas, and water treatment** where accuracy and longevity are critical.

However, its **higher cost, sensitivity to fluid conditions, and requirement for proper piping setup** may make it less ideal for **low-budget, simple, or highly variable flow applications**. If the application involves **clean, stable, and moderately viscous fluids** with proper upstream/downstream conditions, this meter is an excellent choice. For **budget-conscious or highly turbulent applications**, alternatives like **ultrasonic or turbine flowmeters** (with appropriate conditioning) might be considered.

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### **Recommendation**

You need **high-accuracy, low-maintenance flow measurement** in an **industrial setting**.

Your application involves **liquids or gases with stable density** (e.g., water, chemicals, hydrocarbons).

You require **Fieldbus or electrical communication** for integration with SCADA/PLC systems.

**Corrosion resistance and durability** are critical (e.g., chemical plants, refineries).

You can **install proper straight-run piping** to ensure optimal performance.

Your budget is **limited**, and a lower-cost meter (e.g., ultrasonic or mechanical) suffices.

The fluid is **highly viscous, turbulent, or contains solids**, requiring additional conditioning.

You need **direct density measurement** (this meter relies on predefined settings).

The application is **not industrial-grade** (e.g., simple residential or low-flow systems).

For **industrial-grade, high-reliability flow measurement**, the **Yokogawa YF102-NNNB2A-S3S3 is a strong, long-term investment**. Ensure proper installation and fluid compatibility to maximize its performance.

Details:

Yewflo Vortex Flowmeter, model: YF102, Suffix: -NNNB2A-S3S3 E/FMF, K Factor: KM 263.0 P/GAL, MWP: 1440 PSIG, Valve Body Material: CF8M, Location: Belgium, WI 53004, Item No.

part #: yf102nnnb2as3s3 prices

• $247.12-$552.50

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