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  3. ROSEMOUNT 8705TSA100C1W0N0

ROSEMOUNT 8705TSA100C1W0N0 Magnetic Flowtube 10IN 150

8705tsa100c1w0n0 Rosemount Magnetic Flowtube 10in 150

( Brand: Rosemount ), ( Manufacturer Part Number: 8705TSA100C1W0N0 ), ( Size: 10 In ), ( Voltage: Dc ), ( Class: 150 ), ( Reference Sku: 1749606 ), ( Product Condition: Used Excellent )

Review ROSEMOUNT Magnetic Flowtube 10in 150

The Rosemount 8705TSA100C1W0N0 magnetic flowtube is a high-performance, robust solution designed for precise and reliable measurement of conductive liquids in industrial applications. Part of Emerson s trusted 8700 series, this 10-inch (254 mm) flowtube is engineered to deliver exceptional accuracy and durability in demanding environments, making it ideal for process industries such as water treatment, wastewater management, chemical processing, and food and beverage production. Constructed from a **Type 316L stainless steel** flowtube with a **smooth, corrosion-resistant interior**, it ensures long-term reliability and minimizes maintenance requirements, even in corrosive or abrasive fluid conditions. The **150 lb (Class 150) flange rating** provides a secure, leak-proof connection, accommodating standard industry piping standards while maintaining structural integrity under high-pressure conditions.

The flowtube features a **non-contact, electromagnetic measurement principle**, utilizing Faraday s law to induce a voltage proportional to the velocity of conductive fluids passing through the tube. This contactless design eliminates wear and tear from mechanical components, reducing the risk of clogging or damage from suspended solids, making it particularly suitable for applications involving slurries, wastewater, or liquids with particulate matter. The **integrated liner system** available in options such as **PTFE, ECTFE, or neoprene** further enhances chemical resistance and extends the tube s operational lifespan, ensuring compatibility with a wide range of aggressive fluids, including acids, alkalis, and solvents.

For enhanced safety and operational efficiency, the Rosemount 8705TSA100C1W0N0 is equipped with **explosion-proof certification (Class I, Division 2, Groups B, C, D)** and **intrinsically safe (IECEx/ATEX)** compliance, making it suitable for use in hazardous areas where flammable gases or vapors may be present. The **wide temperature range** of **-20 C to 120 C (-4 F to 248 F)** ensures consistent performance across a broad spectrum of industrial conditions, from cold storage environments to high-temperature processing lines. Additionally, the flowtube s **modular design** allows for easy installation and replacement, minimizing downtime during maintenance or upgrades.

The **10-inch diameter** provides a generous flow path, reducing pressure drop and optimizing flow dynamics for applications requiring high volumetric flow rates. The **C1W0N0 designation** indicates specific configuration details, including **wet electronics (C1)**, which house the transmitter and electronics directly within the flowtube housing, simplifying installation and reducing signal noise. The **W0** designation confirms the absence of a built-in bypass valve, while **N0** signifies the use of **standard nickel-plated electrodes**, which offer excellent conductivity and corrosion resistance. When paired with a compatible Rosemount 8700 transmitter, this flowtube delivers **high-accuracy flow measurement ( 0.5% of reading)** and **repeatability**, along with advanced features such as **two-wire 4-20 mA output, HART communication, and field-configurable parameters** for seamless integration into SCADA or DCS systems.

Ideal for both new installations and retrofits, the Rosemount 8705TSA100C1W0N0 magnetic flowtube represents a premium investment in process optimization, offering unmatched reliability, chemical compatibility, and performance in the most challenging industrial fluid measurement applications. Its combination of **durability, precision, and adaptability** makes it a cornerstone solution for facilities prioritizing efficiency, safety, and long-term operational integrity.

### **Pros and Cons of buying a Rosemount 8705TSA100C1W0N0 Magnetic Flowtube (10" x 150)**

#### **Pros**

1. **High Accuracy and Reliability** The Rosemount 8705 series is known for its precision in measuring flow rates, making it suitable for critical industrial applications where accuracy is essential.

2. **Wide Range of Applications** The 10-inch diameter and 150-pound pressure rating make it versatile for medium to large pipelines, including water, wastewater, chemicals, and slurries.

3. **Durable Construction** The magnetic flowtube is made from high-quality materials, including stainless steel or other corrosion-resistant alloys, ensuring long-term durability in harsh environments.

4. **Low Maintenance** Magnetic flowmeters have no moving parts inside the flowtube, reducing wear and tear compared to mechanical flowmeters.

5. **Bi-Directional Flow Measurement** Unlike some flowmeters, this model can measure flow in both directions, which is useful in systems where flow reversals occur.

6. **Compatibility with Rosemount Electronics** The Rosemount 8705 series integrates seamlessly with Rosemount s electronic transmitters and control systems, simplifying installation and calibration.

7. **Compliance with Industry Standards** The model meets or exceeds industry standards for flow measurement, including those for clean water, wastewater, and certain chemical applications.

8. **Long Lifespan** With proper installation and maintenance, the flowtube can last for decades, reducing replacement costs over time.

9. **Minimal Pressure Drop** The design ensures minimal pressure loss across the flowtube, which is beneficial for energy efficiency in large pipelines.

10. **Easy Installation** The flanged connections (150# rating) make it straightforward to integrate into existing piping systems without extensive modifications.

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#### **Cons**

1. **High Initial Cost** Rosemount flowmeters are premium products, and the 8705 series, in particular, is more expensive than some generic or lower-end alternatives.

2. **Limited to Conductive Fluids** Magnetic flowmeters rely on the fluid s conductivity to generate a measurable signal. If the application involves non-conductive liquids (e.g., hydrocarbons, gases, or certain chemicals), this model will not work.

3. **Potential for Signal Noise** In applications with turbulent flow or high levels of suspended solids, the signal may become noisy, requiring additional signal conditioning or filtering.

4. **Sensitivity to Pipe Condition** The flowtube must be installed in a straight section of pipe with proper upstream and downstream runs to avoid measurement errors caused by turbulence or obstructions.

5. **Calibration Requirements** While generally accurate, periodic recalibration may be necessary to maintain performance, especially in demanding environments.

6. **Limited Temperature Range (Depending on Model)** Some versions of the 8705 may have temperature restrictions (though the C1 variant typically supports moderate to high temperatures). Always verify the exact temperature rating for your application.

7. **Potential for Fouling** In dirty or abrasive fluids, deposits can accumulate on the flowtube, affecting accuracy and requiring cleaning or replacement.

8. **Not Ideal for High-Viscosity Liquids** While it can handle some viscous fluids, extremely high-viscosity liquids may require additional considerations or alternative flowmeter types.

9. **Vendor Dependency** Rosemount is a brand under Emerson, which means parts, service, and support may be tied to their ecosystem, potentially increasing long-term costs if third-party alternatives are unavailable.

10. **Space Requirements** The 10-inch diameter requires significant pipe space, which may not be feasible in compact or retrofitted systems.

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### **Conclusion**

The Rosemount 8705TSA100C1W0N0 magnetic flowtube is a high-quality, reliable choice for applications requiring accurate flow measurement in conductive liquids within medium to large pipelines. Its durability, low maintenance, and compatibility with Rosemount s ecosystem make it a strong option for industrial, water, and wastewater systems. However, its high cost, limitations with non-conductive fluids, and specific installation requirements must be carefully considered before purchase.

If your application involves **conductive fluids, medium to large flow rates, and a need for long-term reliability**, this flowtube is an excellent investment. If your application involves **non-conductive fluids, high-viscosity liquids, or space-constrained installations**, you may need to explore alternative flowmeter technologies (e.g., turbine, ultrasonic, or Coriolis meters).

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### **Recommendation**

**Buy the Rosemount 8705TSA100C1W0N0 if:**

- You are measuring **conductive liquids** (water, wastewater, slurries, certain chemicals).

- Your pipeline is **10 inches in diameter** with a **150# rating**.

- You require **high accuracy, low maintenance, and long-term durability**.

- You can justify the **higher upfront cost** with long-term operational benefits.

- Your system allows for **proper straight-run installation** (upstream/downstream piping).

**Consider alternatives if:**

- Your fluid is **non-conductive** (e.g., oils, gases, or certain chemicals).

- You need to measure **high-viscosity or sludgy fluids** where other technologies (e.g., positive displacement or ultrasonic) may perform better.

- Budget constraints make the Rosemount model **too expensive** compared to other reliable brands.

- Your installation has **limited space** or **complex piping configurations** that could affect accuracy.

For most **industrial water, wastewater, or chemical processing applications** where conductivity is not an issue, the Rosemount 8705 is a **strong and recommended choice**. Always verify the exact specifications (e.g., temperature, pressure, and fluid compatibility) with the manufacturer or a trusted distributor before finalizing the purchase.

Details:

Roller Chains. Rotary Lobe Blowers. Safety and Security. Solenoid Coils.

Solenoid Valves. Tool storage. Shock Absorbs. Valve Bodies and Manifolds.

part #: 8705tsa100c1w0n0 prices

  • $3000.00-$18272.00

specifications pneumativalv:

  • brand: Rosemount
  • mpn: 8705tsa100c1w0n0
  • size: 10 In
  • voltage: Dc
  • class: 150
  • reference sku: 1749606
  • product condition: Used Excellent

offer pneumativalv:

  • options: Ship-to-home
  • started: March 12, 2026
  • best offers: True
  • availability: In Stock
  • quantity: 1
  • sold: 0

general pneumativalv:

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

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size: 10 in, voltage: dc, class: 150, reference sku: 1749606, product condition: used excellent,
category: business & industrial > pump flow controllers > flow controllers meters > flow meters, sku: 11942193432411892,
Rosemount 8705TSA100C1W0N0 Is Similar To:
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3 offers $3000.00–$18272.00 USD
  • New – Open box. Offer #1 priced at $6495.00 + $250.00 shipping estimate = $6745.00* total. Industrial process, water, wastewater, and chemical service. Model B3.+$250.00 shipping
  • Used. Offer #2 priced at $3000.00 + $Calculated shipping estimate = $3000.00* total. Roller Chains. Valve Bodies and Manifolds.+$Calculated shipping
  • New – Open box. Offer #3 priced at $18272.00 + $Calculated shipping estimate = $18272.00* total. FLOWTUBE, 40VDC, 0.5A, 285PSI.+$Calculated shipping

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