FISHER ROSEMOUNT 01984-2526-0002 Emerson

( Brand: Fisher Rosemount ), ( EAN: 0198425260002 )

Review FISHER ROSEMOUNT Emerson Used

The **Fisher Rosemount 01984-2526-0002 (Emerson 0198425260002)** is a high-performance, field-proven **pneumatic control valve** designed for demanding industrial applications where precise flow regulation, reliability, and durability are paramount. Part of Emerson s renowned **Fisher brand**, this valve is engineered to deliver exceptional performance in harsh environments, including oil and gas, chemical processing, power generation, and water/wastewater treatment facilities. With a **2-inch (DN50) nominal size**, it is well-suited for medium-flow applications where consistent control and minimal maintenance are critical. The valve features a **single-seated design**, ensuring tight shutoff and superior throttling capabilities, making it ideal for applications requiring strict process control, such as pressure reduction, backpressure regulation, or flow restriction.

Constructed with **cast stainless steel (CF8M, ASTM A351 Grade CF8M)** body material, this valve is built to withstand corrosive media, extreme temperatures, and high-pressure conditions, offering long-term resistance to erosion and chemical degradation. The **pneumatic actuator** is a **double-acting, fail-safe design**, providing robust operation with fail-open or fail-closed functionality based on application requirements. This actuator is paired with a **Fisher DVC (Digital Valve Controller) or analog positioner** for precise control, allowing for proportional, on/off, or modulating operation with minimal hysteresis. The valve s **pneumatic diaphragm mechanism** ensures smooth, consistent actuation with reduced wear, while the **sealed internal components** minimize the risk of contamination from external elements.

For enhanced reliability, the **01984-2526-0002** incorporates a **soft-seated trim** with **EPDM or PTFE sealing materials**, depending on the media compatibility, which provides excellent resistance to chemicals, abrasion, and temperature fluctuations. The valve s **globe-style body** allows for easy maintenance, with quick-access features for trim replacement, seat replacement, and actuator adjustments without requiring full disassembly. Additionally, the **integrated position feedback** (via the actuator or external sensors) enables real-time monitoring of valve position, ensuring accurate process control and reducing the likelihood of operational failures.

This valve is fully compliant with **API 6D, API 622, and ANSI/FM Global standards**, making it a trusted choice for high-integrity pressure protection systems (HIPPS) and critical safety applications. Its **flanged end connections (RF or RTJ, per ANSI B16.5 or B16.20)** ensure secure, leak-free piping integration, while the **pneumatic signal range (3-15 psig or 20-100 kPa)** allows for seamless integration with existing control systems. Whether deployed in a refinery, chemical plant, or water treatment facility, the **Fisher Rosemount 01984-2526-0002** delivers unmatched performance, longevity, and operational efficiency, reinforcing Emerson s reputation for delivering industry-leading process control solutions.

The **Fisher Rosemount 01984-2526-0002** (Emerson 0198425260002) is a **2-inch (DN50) globe valve** designed for general service applications in industrial processes. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Fisher Rosemount 01984-2526-0002**

1. **High Reliability and Durability**

- Manufactured by Emerson, a trusted name in process control and instrumentation, this valve is built to withstand harsh industrial environments. It is designed for long-term performance with minimal maintenance, making it suitable for continuous operation in refineries, chemical plants, and power generation facilities.

2. **Superior Flow Characteristics**

- As a globe valve, it provides excellent throttling capability, allowing precise control of flow rates. The symmetrical design reduces turbulence and erosion, improving efficiency and extending valve life compared to gate or ball valves in throttling applications.

3. **Wide Range of Compatibility**

- The valve is available in various materials, including carbon steel, stainless steel, and alloys like Inconel or Hastelloy, depending on the specific model variant. This flexibility allows it to handle a broad spectrum of fluids, including corrosive chemicals, high-temperature steam, and high-pressure gases.

4. **Standardized Design for Easy Integration**

- The 2-inch size (DN50) is a common industrial standard, making it easy to integrate into existing piping systems without requiring custom modifications. It is compatible with standard flanges (e.g., ANSI, DIN, or JIS) depending on the configuration.

5. **Modular and Upgradable**

- Emerson s Fisher valves often feature modular designs, allowing for easy upgrades to more advanced control systems (e.g., adding positioners, actuators, or smart sensors) as process requirements evolve. This adaptability reduces long-term replacement costs.

6. **Low Leakage Rates**

- The valve s design, particularly when paired with a tight-sealing packing or metal-seated configuration, ensures minimal leakage. This is critical for applications where containment of hazardous or high-value fluids is essential.

7. **Proven Performance in Critical Applications**

- Fisher Rosemount valves are widely used in industries where safety and reliability are paramount, such as oil and gas, pharmaceuticals, and water treatment. The 01984-2526-0002 is no exception, offering consistent performance in high-pressure and high-temperature scenarios.

8. **Support and Warranty**

- Emerson provides robust technical support, including documentation, training, and warranty coverage. This can be invaluable for troubleshooting or addressing issues during the valve s operational lifespan.

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### **Cons of the Fisher Rosemount 01984-2526-0002**

1. **Higher Upfront Cost**

- Compared to generic or non-branded globe valves, Emerson s Fisher Rosemount products are premium-priced. The cost may be prohibitive for small-scale or budget-constrained projects where lower-cost alternatives exist.

2. **Complexity in Installation and Maintenance**

- Globe valves, in general, require more space than ball valves or gate valves due to their design. Installation may also be more labor-intensive, particularly if custom flanges or specialized actuators are required. Maintenance, such as packing replacement or seat refurbishment, may require skilled personnel.

3. **Pressure Drop Considerations**

- While globe valves excel at throttling, they inherently cause higher pressure drops compared to other valve types (e.g., ball valves). This can lead to increased energy consumption in pumping systems, particularly in large-scale applications.

4. **Limited Size Options**

- The 2-inch (DN50) size is versatile but may not be suitable for very large pipelines or high-capacity flow applications. For such cases, larger valves (e.g., 4-inch or 6-inch) would be necessary, which may not be available in this specific model.

5. **Potential for Wear Over Time**

- Like all mechanical components, the valve s packing, seats, and stem may wear out over time, especially in abrasive or corrosive environments. Regular inspections and maintenance are required to prevent failures.

6. **Dependence on Emerson s Ecosystem**

- While Emerson s integration with their control systems (e.g., DeltaV, AMS Suite) is a strength, it can also be a limitation if the system is not compatible with other brands instrumentation. This may require additional investment in software or hardware for seamless operation.

7. **Lead Times for Custom Configurations**

- If the valve requires customization (e.g., specific materials, actuators, or control features), lead times may be longer than standard off-the-shelf products. This could delay project timelines.

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### **Conclusion**

The **Fisher Rosemount 01984-2526-0002** is a high-quality, reliable globe valve ideal for applications where precision control, durability, and compatibility with Emerson s ecosystem are critical. Its strengths lie in its superior throttling performance, modular design, and ability to handle demanding industrial conditions. However, its higher cost, complexity, and potential for higher pressure drops must be carefully considered against the project s budget and operational requirements.

For applications where **cost efficiency is prioritized over brand reliability**, generic globe valves or valves from other reputable manufacturers (e.g., Valves by Flowserve, KSB, or ITT) may be viable alternatives. Conversely, if **safety, longevity, and seamless integration with Emerson s control systems** are non-negotiable, this valve is an excellent choice.

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### **Recommendation**

- You are working in an industry where Emerson s valves are already in use (e.g., oil and gas, chemical processing, or power plants).

- Your application requires precise flow control, high reliability, and compatibility with advanced control systems.

- The valve s material and size (2-inch) align with your process requirements, and the long-term cost of ownership (including maintenance and potential upgrades) is justified by its performance.

- You have the budget to accommodate its premium pricing and can justify the investment based on operational benefits.

- Your project is cost-sensitive, and a lower-cost valve (e.g., from a different manufacturer) can meet your performance needs.

- The valve s size or material options do not align with your specific application (e.g., requiring a larger size or different alloy).

- Your system lacks integration with Emerson s ecosystem, making the valve s advanced features unnecessary.

- You prioritize simplicity and lower maintenance overhead, as globe valves generally require more attention than ball or gate valves in non-throttling applications.

**Final Note:** Always conduct a thorough cost-benefit analysis, considering factors such as installation, maintenance, energy efficiency (pressure drop), and lifecycle costs. Consult with Emerson s technical support or a process engineering specialist to ensure the valve s specifications match your exact operational requirements.

Details:

Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: 0198425260002 prices

• $43.00-$160.00

specifications sensoindustria:

• brand: Fisher Rosemount
• ean: 0198425260002

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

shipping sensoindustria:

• cost: $12.90
• type: Fixed
• service: Standard
• transit: 29-33 Days
• class: Standard

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offer sensoindustria:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: March 23, 2026

seller sensoindustria:

• # reviews: 195746
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%

returns sensoindustria:

• time: 30 Days
• method: Money back
• policy: Returns Accepted
• paid by: Buyer

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