🔧 Super Duplex & Special Alloy Valves: Anson Flow’s Strength in Extreme Application

In the valve industry, material selection is the foundation of performance and durability. At Anson Flow, we focus on special alloy valves and castings, offering high-performance materials such as Super Duplex 2507 (5A CE3MN), Duplex 2205 (4A CD3MN), Hastelloy C276 / C22, Alloy 20, and 254 SMO. These alloys deliver exceptional reliability in extreme or highly corrosive environments.

Key Materials & Their Advantages

Alloy / Material

Performance & Applications

Super Duplex 2507

Outstanding corrosion resistance and superior strength; ideal for heat exchangers and oil & gas pipelines.

Duplex 2205

Resists stress corrosion and chloride cracking; proven in marine and chemical processing.

254 SMO

Excels in high-chloride/mixed media; used in pulp bleaching, seawater treatment, desalination.

Hastelloy C276 / C22

Stable against acidic/high-temperature corrosion; great for pollution control and reactors.

Alloy 20

Sulfuric-acid resistant and non-reactive; common in plastics, food, and pharma.

Why Choose Anson Flow’s Special Alloy Valves?

  1. Tailor-Made Solutions – Manufacture to your drawings/specs, including investment cast parts.
  2. Certified MaterialsEN 10204-3.1 certificates for full traceability.
  3. Wide Product Range – High-performance/fire-safe ball valves, 2-pc/3-pc flanged RF valves, and corrosion-resistant castings.
  4. Strict Quality Control – API/EN compliance, fire testing, coating verification, and documented QA.

Where Special Alloys Excel

Offshore & subsea pipelines • Seawater cooling/marine facilities • Oil & gas processing • Pulp & paper bleaching • Food & pharma

Final Thoughts & Call to Action

When standard grades fall short, Super Duplex and special alloys deliver the strength, safety, and longevity you need. With Anson Flow’s engineering expertise and flexible OEM capabilities, we’ll match the right material and design to your application.

Have a project or need a quote?
Email us at sales@ansonflow.com to discuss requirements, request drawings, or get a tailored quotation.

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