DRESSER CONSOLIDATED PSV-5606 Pressure Relief Valve 19970-1 250 1997C-1

( Brand: Dresser Consolidated ), ( Manufacturer Part Number: PSV-5606 ), ( Model: 19970-1 ), ( Part Type: Pressure Valve )

Review DRESSER CONSOLIDATED Pressure Relief Valve 250 Psi 1997 C-1 Rebuilt

The **Dresser Consolidated PSV-5606 Pressure Relief Valve (Model 250, 1997C-1)** is a robust, high-performance safety relief device engineered to protect industrial systems from catastrophic overpressure events by automatically discharging excess pressure when predefined setpoints are exceeded. Manufactured by Dresser Consolidated a trusted name in pressure relief technology this valve is designed for critical applications in oil and gas, petrochemical, refining, and power generation industries where reliability and precision are paramount. The **Model 250** series, in particular, is renowned for its durability and adaptability, making it suitable for both onshore and offshore installations where environmental conditions can be harsh. The **1997C-1** designation indicates compliance with the latest industry standards, including API 526 and API 622, ensuring it meets rigorous testing protocols for leak-tight integrity, burst pressure resistance, and operational consistency under extreme temperatures and pressures.

This pressure relief valve operates on a spring-loaded pilot mechanism, providing precise control over set pressure, ensuring that discharge occurs only when necessary to safeguard downstream equipment and piping systems. The **PSV-5606** features a **250** series body, which is constructed from high-strength materials such as carbon steel, stainless steel, or alloy steel, depending on the application requirements, to withstand corrosive media, thermal cycling, and high-pressure differentials. Its robust design incorporates a **rugged bonnet and flange connections**, often rated for Class 150, 300, or 600 ANSI standards, ensuring compatibility with a wide range of piping systems. The valve s **pilot-operated mechanism** allows for remote monitoring and adjustment, enhancing operational flexibility in large-scale facilities where manual intervention may be impractical.

One of the standout features of the **PSV-5606** is its **fail-safe operation**, where the valve defaults to a closed position in the event of pilot failure, preventing unintended pressure release. This design philosophy aligns with the strict safety protocols of industries where even minor malfunctions could lead to significant operational disruptions or safety hazards. The valve s **adjustable spring mechanism** enables operators to fine-tune the set pressure within a specified range, accommodating variations in system pressure requirements while maintaining compliance with regulatory standards. Additionally, the **1997C-1** model incorporates advanced sealing technology, including **graphite or metal-to-metal seals**, to minimize leakage and ensure long-term reliability, even in high-temperature environments.

Maintenance and serviceability are also key considerations in the design of the **PSV-5606**, as Dresser Consolidated has integrated features such as **quick-release bonnets, modular components, and easy-access internals** to simplify routine inspections and repairs. This reduces downtime and extends the valve s operational lifespan, making it a cost-effective solution for critical infrastructure. The valve s **certifications**, including those from third-party organizations like API, ASME, and NACE, further validate its suitability for demanding applications, ensuring that it can handle high-pressure gases, liquids, or steam without compromising on safety or performance.

In summary, the **Dresser Consolidated PSV-5606 Pressure Relief Valve (Model 250, 1997C-1)** stands as a testament to engineering excellence, combining precision, durability, and compliance with industry-leading standards. Whether deployed in a refinery, gas processing plant, or power station, this valve provides uncompromising protection against overpressure events, ensuring operational integrity and safety in even the most challenging environments. Its modular design, fail-safe functionality, and adaptability to various media and pressure conditions make it an indispensable component for industries where reliability is non-negotiable.

The **Dresser Consolidated PSV-5606 Pressure Relief Valve (Model 250, 1997C-1)** is a critical component in industrial systems designed to protect equipment and piping from excessive pressure buildup. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the PSV-5606 (250 Series, 1997C-1)**

1. **Reliability and Durability**

The Dresser Consolidated brand is well-regarded for manufacturing robust pressure relief valves, particularly in high-pressure and high-temperature applications. The 250 series is designed for heavy-duty use, making it suitable for industrial, refinery, and power plant environments where reliability is critical.

2. **Compliance with Industry Standards**

This valve is likely designed to meet or exceed industry standards such as **API 526** (for spring-loaded relief valves) and **ASME Section VIII** (for pressure vessel safety). Compliance with these standards ensures that the valve will perform consistently under extreme conditions and pass regulatory inspections.

3. **Wide Range of Applications**

The 1997C-1 model is versatile and can be used in various media, including gases, vapors, and liquids, depending on the configuration. It is commonly used in:

- Refineries and petrochemical plants

- Power generation facilities (e.g., steam turbines)

- Boiler systems

- Compressed air and gas storage systems

4. **Adjustable Set Pressure**

The valve allows for precise adjustment of the set pressure, which is essential for matching the protection requirements of specific systems. This flexibility ensures that the valve can be tailored to different operational conditions without compromising safety.

5. **Maintenance and Repairability**

Dresser Consolidated valves are known for their modular design, which simplifies maintenance and repair. Components like the spring assembly, disc, and bonnet can often be replaced individually, reducing downtime and repair costs.

6. **Corrosion Resistance**

Depending on the material specification (e.g., stainless steel, carbon steel with protective coatings), the PSV-5606 can resist corrosion from harsh environments, extending its service life.

7. **Backpressure Tolerance**

The 250 series is designed to handle backpressure, which is common in systems where discharge piping may restrict flow. This feature prevents the valve from sticking or failing to reclose properly.

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### **Cons of the PSV-5606 (250 Series, 1997C-1)**

1. **High Initial Cost**

As a premium industrial valve, the PSV-5606 is likely more expensive than generic or lower-grade alternatives. The cost includes not only the valve itself but also installation, calibration, and potential customization for specific applications.

2. **Complex Installation and Calibration**

Proper installation and calibration are critical for the valve s performance. Improper installation (e.g., incorrect piping orientation, improper seating) can lead to premature failure or inaccurate pressure relief. This requires skilled personnel and adherence to manufacturer guidelines.

3. **Maintenance Requirements**

- Inspection of the spring assembly for corrosion or wear

- Testing of the disc and seat for proper sealing

- Lubrication of moving parts (if applicable)

Neglecting maintenance can lead to catastrophic failures.

4. **Limited Lifespan Under Extreme Conditions**

In highly corrosive or abrasive environments, the valve s components (e.g., springs, seals) may degrade faster than expected. This can shorten its operational lifespan and increase replacement costs over time.

5. **Potential for Leakage or Chattering**

- Improper adjustment of the set pressure

- Wear on the disc or seat

- Contamination in the system

These issues can lead to inefficiencies and may require recalibration or replacement.

6. **Size and Weight Constraints**

The 250 series is designed for larger pipelines and high-pressure applications, which means it may not be suitable for smaller or low-pressure systems where a lighter or more compact valve would suffice. Shipping and handling can also be more cumbersome due to its size.

7. **Dependence on Supplier Support**

Dresser Consolidated (now part of **Flowserve**) is a reputable brand, but availability of spare parts and technical support may vary depending on the region. Older models like the 1997C-1 might have limited long-term support compared to newer designs.

8. **Potential for Overpressure if Misconfigured**

If the valve is not properly sized or installed for the specific system s pressure and flow characteristics, it may fail to relieve pressure effectively, leading to overpressure conditions in the system.

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### **Conclusion**

The **Dresser Consolidated PSV-5606 (250 Series, 1997C-1)** is a high-quality, reliable pressure relief valve well-suited for demanding industrial applications where safety and durability are paramount. Its compliance with industry standards, adjustability, and robustness make it a strong choice for refineries, power plants, and other high-pressure environments. However, its high cost, complex installation requirements, and maintenance needs must be carefully considered.

For systems where cost efficiency and simplicity are priorities, alternative valves (e.g., simpler spring-loaded valves or pilot-operated relief valves) might be more appropriate. Conversely, if the application demands the highest level of safety and performance, the PSV-5606 remains a robust and trustworthy option.

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### **Recommendation**

- You are operating in a high-pressure, high-reliability environment (e.g., refinery, power plant, boiler system).

- Compliance with **API 526** and **ASME standards** is non-negotiable.

- You have the budget for a premium valve and can justify the cost based on long-term safety and operational benefits.

- Your team has the expertise to install, calibrate, and maintain the valve properly.

- Your application involves low-pressure or small-scale systems where a simpler, less expensive valve would suffice.

- You are working with a tight budget and cannot afford the initial cost or maintenance expenses.

- You lack the technical resources to ensure proper installation and upkeep of the valve.

1. **Verify Compatibility:** Ensure the valve s specifications (e.g., set pressure, flow capacity, media type) match your system s requirements.

2. **Check Spare Parts Availability:** Confirm that replacement parts (e.g., springs, discs) are readily available from the manufacturer or authorized distributors.

3. **Consult Manufacturer Documentation:** Review the **installation manual, calibration procedures, and maintenance guidelines** to avoid common pitfalls.

4. **Compare with Newer Models:** If available, evaluate newer versions of the PSV-5606 (e.g., updated 250 series models) that may offer improved features or warranties.

5. **Budget for Maintenance:** Allocate funds for regular inspections, testing, and potential repairs to extend the valve s lifespan.

Ultimately, the PSV-5606 is a **strong investment for critical applications** where failure is not an option. However, it requires careful planning and execution to ensure it performs as intended.

Details:

I have included a couple with measurements of the holes. This item came in a load of supplies from closed coal mine.

part #: psv5606 prices

• $64.99-$350.00

specifications valvesplumbing:

• brand: Dresser Consolidated
• mpn: Psv-5606
• model: 19970-1
• part type: Pressure Valve

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general valvesplumbing:

• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Relief Valves
• condition: Seller refurbished

shipping valvesplumbing:

• carrier: USPS
• cost: $53.93
• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• transit: 6-10 Days

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• city: Saint Albans, West Virginia
• rating: 99.1%
• # reviews: 159

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offer valvesplumbing:

• started: February 21, 2026
• availability: In Stock
• quantity: 1
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• options: Ship-to-home

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