AW-LAKE R3B6WB02 Area Rotameter Flow Meter

( Brand: Aw-lake ), ( Manufacturer Part Number: R3B6WB02 ), ( Part Type: Area ), ( Flow Meter Type: Variable Area Flow Meter )

Review AW LAKE Variable Area Flow Meter Rotameter Model

The **AW-Lake R3B6WB02 Area Flow Meter (Rotameter)** is a precision-engineered, float-type flow measurement instrument designed to deliver accurate, real-time monitoring of gas or liquid flow rates in a wide range of industrial, laboratory, and commercial applications. This high-performance rotameter operates on the principle of variable-area metering, where a freely floating indicator (typically a bobbin or float) rises or falls within a tapered tube in direct proportion to the flow rate, providing a visual and proportional measurement of volumetric or mass flow. Constructed from durable **316 stainless steel** for the float and **borosilicate glass** for the sight tube, the R3B6WB02 ensures exceptional resistance to corrosion, high temperatures, and chemical exposure, making it ideal for use in aggressive environments such as chemical processing, pharmaceutical manufacturing, HVAC systems, or laboratory gas delivery. The transparent borosilicate glass tube allows for unobstructed viewing of the float s position, enabling quick and intuitive flow rate assessment without the need for additional instrumentation, while the stainless steel housing reinforces structural integrity and ensures compatibility with high-pressure applications up to **6 bar (87 psi)**.

What sets the AW-Lake R3B6WB02 apart is its **modular and versatile design**, featuring a **0.5 5 L/min (0.03 0.3 GPM) flow range** with a **1:10 scale ratio**, which allows for precise calibration and adaptability to various fluid types, including air, nitrogen, oxygen, water, and mild acids or solvents. The rotameter is equipped with a **standard 1/4-inch (G) or 3/8-inch (G) threaded connection**, ensuring seamless integration into existing piping systems, while its **low-pressure drop design** minimizes energy consumption and operational costs. For enhanced safety and ease of maintenance, the unit includes a **quick-release clamp mechanism**, enabling effortless disassembly for cleaning or float replacement without tools. Additionally, the R3B6WB02 is compatible with optional **electronic transmitters or digital interfaces**, allowing for automated data logging, remote monitoring, or integration into SCADA systems for advanced process control.

Beyond its technical specifications, the AW-Lake R3B6WB02 excels in **user convenience and reliability**, offering a compact yet robust form factor that fits seamlessly into tight spaces while maintaining high accuracy within 2% of full-scale flow. Its **self-cleaning float design** reduces maintenance downtime, and the borosilicate glass tube is reinforced to prevent breakage under normal operating conditions. Whether deployed in a **cleanroom environment, laboratory gas supply system, or industrial gas distribution network**, this rotameter delivers consistent performance with minimal maintenance, making it a cost-effective solution for applications where precise, visual flow measurement is critical. With its blend of durability, accuracy, and ease of use, the AW-Lake R3B6WB02 stands as a dependable choice for professionals seeking a reliable flow measurement tool in demanding operational settings.

### **Pros and Cons of buying a AW-Lake R3B6WB02 Area Flow Meter (Rotameter)**

1. **Accurate Flow Measurement** Rotameters are known for providing reliable and precise flow readings for gases and liquids, making them suitable for industrial, laboratory, and process control applications.

2. **Visual Readout** The floating element inside the tapered tube allows for easy visual monitoring of flow rates without requiring additional instrumentation.

3. **Wide Range of Applications** Suitable for various fluids, including air, water, steam, and corrosive gases, depending on the material construction (e.g., glass, stainless steel, or plastic).

4. **Low Maintenance** Rotameters have few moving parts, reducing wear and tear compared to mechanical flow meters.

5. **Compact and Simple Design** Easy to install in pipelines or as standalone units, requiring minimal space.

6. **Adjustable Range** Some models allow calibration adjustments to accommodate different flow rates.

7. **Cost-Effective** Generally more affordable than electronic or ultrasonic flow meters for basic applications.

8. **Compatibility with Various Fluids** Available in different materials (e.g., glass for visibility, stainless steel for durability) to suit specific fluid types.

9. **No Power Required** Operates passively, making it ideal for remote or off-grid applications.

10. **Quick Installation** Simple connection methods (threaded, flanged, or barbed) reduce setup time.

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1. **Limited to Single-Phase Flow** Not suitable for measuring pulsating or turbulent flows, which may cause inaccurate readings.

2. **Pressure Drop** The tapered tube creates a pressure loss, which can be significant in high-flow applications.

3. **Material Limitations** Glass rotameters are fragile and not suitable for high-pressure or abrasive fluids; metal versions may be more expensive.

4. **No Electronic Output** Requires manual reading; digital or remote monitoring requires additional sensors or transmitters.

5. **Temperature Sensitivity** Accuracy can be affected by temperature variations unless compensated for.

6. **Limited Rangeability** Typically offers a 10:1 range; extreme flow variations may require multiple units or recalibration.

7. **Potential for Clogging** Particles or debris in the fluid can stick to the float, affecting performance.

8. **No Directional Flow** Must be installed with the correct flow direction; reverse flow can damage the float.

9. **Calibration Drift** Over time, wear or fluid contamination may require recalibration.

10. **Not Ideal for High-Pressure Systems** Most standard rotameters are not designed for high-pressure applications without special modifications.

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The **AW-Lake R3B6WB02 rotameter** is a practical choice for applications requiring **simple, visual, and cost-effective flow measurement** in controlled environments where flow rates are relatively stable. It excels in **laboratory, HVAC, industrial process control, and low-pressure gas/liquid systems** where accuracy and ease of use are prioritized over advanced features.

However, it is **not ideal for high-pressure, pulsating, or highly turbulent flows**, nor does it provide electronic signaling for automation. If your application demands **remote monitoring, high precision, or compatibility with extreme conditions**, a different flow meter (e.g., ultrasonic, turbine, or Coriolis) may be more suitable.

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- You need a **simple, visual, and low-maintenance** flow measurement solution.

- Your application involves **steady, single-phase flow** (e.g., air, water, or low-pressure gases).

- Budget constraints make electronic meters impractical.

- You require **quick installation** without complex calibration.

- You need **electronic output or automation integration** (e.g., for SCADA systems).

- Your system experiences **high pressure, turbulence, or pulsating flow**.

- You require **higher accuracy over a wide range** (e.g., 1% vs. typical 2-5% for rotameters).

- The fluid is **abrasive, highly corrosive, or contains suspended particles** that could damage the float.

For most **basic to moderate flow measurement needs**, this rotameter is a solid, budget-friendly option. For demanding industrial or high-precision applications, evaluate whether additional features (e.g., digital output, material resistance) justify a higher-cost alternative.

Details:

AW-LAKE Variable Area Flow Meter Rotameter model R3B6WB02 MPN.

part #: r3b6wb02 price

• $449.99

specifications pneumativalv:

• brand: Aw-lake
• mpn: R3b6wb02
• part type: Area
• flow meter type: Variable Area Flow Meter

general pneumativalv:

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

offer pneumativalv:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• started: February 24, 2026
• best offers: True

payments pneumativalv:

• credit card: Diners-club
• wallet: Apple-pay
• other

shipping pneumativalv:

• transit: 4-8 Days
• type: Calculated
• service: UPS Ground
• carrier: UPS
• cost: $7.84
• class: Standard

returns pneumativalv:

• policy: No Returns

seller pneumativalv:

• city: Watertown, Wisconsin
• # reviews: 698
• rating: 100.0%

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