AstroForge Fitting Industries delivers precision-engineered fasteners built for strength, reliability, and extreme industrial environments.

 

Weld Neck Flange Manufacturer – AstroForge Fitting Industries

 

AstroForge Fitting Industries is a leading Weld Neck Flange manufacturer, supplier, and exporter, delivering premium-quality products to industries worldwide. Our flanges comply with international standards such as ASME, ANSI, DIN, EN, JIS, and ISO, making them the preferred choice for high-pressure and high-temperature applications in oil & gas, petrochemicals, refineries, power generation, and more.

 

What is a Weld Neck Flange?

 

A Weld Neck Flange (also known as WN Flange) is designed with a long tapered hub that ensures smooth stress distribution between pipe and flange. It is the most reliable flange for critical applications where safety, strength, and leak-proof connections are essential.

 

Why Choose Our Weld Neck Flanges?

 

  • ♦  Superior Strength & Design: Our weld neck flanges are engineered to withstand extreme pressure and temperature, ensuring stress-free connections.

  • ♦  International Standards: Manufactured as per ANSI B16.5, ASME B16.47, and DIN standards, ensuring precision and durability.

  • ♦  Comprehensive Range: Available in Class 150, 300, 600, 900, 1500, and 2500, covering pipe sizes from ½” to 48″.

  • ♦  High-Quality Materials: Options include Carbon Steel, Stainless Steel, Duplex, Super Duplex, Alloy Steel, and Nickel Alloys.

  • ♦  Certifications & Testing: ISO 9001 certified with 100% radiography testing, mechanical and non-destructive testing, and EN 10204/3.1B certification.

Technical Specifications of Weld Neck Flange

  • ♦  Pressure Ratings: Class 150 to 2500 & DIN ND-6 to 40

  • ♦  Surface Finish: Anti-rust paint, galvanizing, oil black paint, zinc plating

  • ♦  Face Types: Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), and Tongue & Groove

  • ♦  Manufacturing Process: Forged, heat-treated, and precision-machined for accurate dimensions

Applications of Weld Neck Flanges

AstroForge’s Weld Neck Flanges are widely used in:

  • ♦  Oil & Gas pipelines and refineries

  • ♦  Petrochemical plants & chemical processing

  • ♦  Power generation & boiler systems

  • ♦  Marine and offshore applications

  • ♦  Pharmaceutical and food industries (using hygienic stainless steel grades)

Global Exporter of Weld Neck Flanges

We export Weld Neck Flanges to over 60 countries including the USA, UK, UAE, Germany, Singapore, Australia, South Africa, and India. With strong logistics and global distribution networks, we ensure timely delivery to major industrial hubs worldwide.

Conclusion

If you are looking for a trusted Weld Neck Flange supplier, AstroForge Fitting Industries offers unmatched quality, international certifications, and global service. Our products guarantee long-lasting performance in critical applications.

Contact us today for a custom quote or download our technical datasheet for detailed dimensions and specifications.

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FAQs - Slip On Flange

Slip-On Flanges are designed to slip over pipe ends and are welded inside and outside, ensuring strength, leak prevention, and easy alignment for low-pressure applications.

Our Slip-On Flanges meet global standards including ANSI/ASME B16.5, B16.47, MSS SP44, AWWA, BS4504, EN1092, DIN, JIS, UNI, GOST, ensuring international compatibility.

We manufacture Slip-On Flanges in sizes ½” to 48″ with pressure ratings ranging from Class 150 to 2500 LBS and DIN ND6–ND40 standards.

We produce Slip-On Flanges in Carbon Steel, Stainless Steel, Alloy Steel, Duplex, Super Duplex, and Nickel Alloys such as Inconel, Monel, Hastelloy, Incoloy.

Slip-On Flanges can be coated with anti-rust paint, black oil, zinc plating, hot-dip galvanizing, epoxy, FBE coating, sand blasting, or electro-polishing.

Slip-On Flanges undergo rigorous inspection including visual, dimensional, radiography, hydrostatic, ultrasonic flaw detection, hardness, and tensile testing to meet ASME and global standards.

 

Slip-On Flanges are widely used in petrochemical, oil and gas, refineries, pharmaceuticals, food processing, pulp and paper, offshore drilling, seawater equipment, power generation, chemical industries.

 

Yes, we provide customized Slip-On Flanges with special coatings, shapes, finishes, and dimensions tailored to unique project specifications across multiple industries worldwide.

Slip-On Flanges are packed using seaworthy plywood boxes, wooden pallets, or steel cages with waterproof protection, fumigation-free packing, and detailed labeling for safe delivery.

We export Slip-On Flanges globally, including Middle East, Asia, Europe, Africa, North and South America, covering cities like Dubai, Mumbai, London, Houston, Singapore, Toronto.