Duplex Stainless Steel Welding Neck Flange with High Pressure Rating 2500 and

The Welding Neck Flange is a critical component designed for industrial applications requiring high strength, durability, and reliable performance. Manufactured using forged and machined processes, this flange meets stringent industry standards and delivers superior quality.

Constructed from duplex stainless steel, it offers exceptional corrosion resistance and mechanical properties, making it ideal for demanding environments. The flange features a bevel end conforming to ANSI B16.25 standards, ensuring precise and secure connections while facilitating smooth welding to reduce defects and enhance joint integrity.

Rated for pressure class 2500, this socketed fixed flange arrangement provides effective sealing that withstands high pressure and temperature conditions without compromising safety. It is engineered for critical applications in power plants, petrochemical industries, and other sectors where pressure containment and operational safety are paramount.

• Product Name: Welding Neck Flange
• Manufacturing Process: Forged and Machined for high precision and durability
• Corrosion Resistance: High, with material options including 1.4541 (321) Stainless Steel and 13CrMo4-5
• Weight: Varies by size and material to meet specific application requirements
• End: Bevel End conforming to ANSI B16.25 standards
• Flange Design: Socketed with fixed flange for secure connections
• Compliance: EN 1092-1 Weld Neck Flange standards
• Materials Available: P265GH, 16Mo3, 13CrMo4-5, 316L, and duplex 2205
• Pressure Ratings: PN6 to PN160 suitable for various pressure applications
• Face Type: Raised Face for enhanced sealing performance
• Certifications: Supplied with 3.1 Material Test Certificate (MTC)
• Applications: Suitable for high-performance industrial and engineering use

Welding Neck Flanges are essential components in piping systems operating under high pressure and temperature conditions. Designed with bevel ends conforming to ANSI B16.25 standards, they ensure secure welded connections with available Raised Face (RF) and Flat Face (FF) options for versatile sealing requirements.

Manufactured from high-quality materials like steel number 1.4550, these flanges offer excellent corrosion resistance, making them ideal for harsh environments. Specific variants include:

Typical applications include oil and gas exploration, petrochemical plants, power generation stations, water treatment plants, and heavy industrial manufacturing where thermal cycling, mechanical stress, and corrosive environments demand reliable performance.

Our customization services for WN Neck Flanges include socketed designs with fixed flanges for enhanced stability. Each flange undergoes meticulous heat treatment, pickling, and passivation to ensure optimal surface treatment and corrosion resistance.

We specialize in producing high-quality variants including:

• 1.4404 EN 1092‑1:2018 Weld Neck Flanges (316L)
• EN 1092-1 Weld Neck Flanges made from 1.4541 (321) Stainless Steel with PN16 and raised face
• Duplex 2205 EN 1092-1 weld neck flanges for superior corrosion resistance and mechanical strength

Our comprehensive technical support includes detailed product documentation, installation guides, material specifications, and maintenance instructions. Our experienced technical team assists with product selection, application recommendations, and troubleshooting.

We offer custom fabrication options, quality assurance testing compliant with industry standards, training sessions, and after-sales service to maximize the lifespan and efficiency of your Welding Neck Flanges.