- sales@sanghviint.com
- Kumbharwada, Mumbai - 400 004
Weld Neck Flange
Product Details
Weld Neck Flanges
We manufacture a wide range of high-strength, corrosion-resistant flanges in materials such as Stainless Steel, Carbon Steel, and various alloys to ensure leak-proof performance even in high-pressure environments.
Description
A Welding Neck Flange features a distinctive long, tapered neck that is welded directly to the pipe, forming a strong, permanent connection. This design is engineered for high-pressure systems, offering exceptional strength and reliability by creating a smooth transition that reduces stress concentration. Manufactured from robust materials like carbon steel, stainless steel, and alloy steels, it is built to withstand high pressure, high temperature, and harsh corrosive environments. These flanges are a top choice for demanding industries such as oil & gas, chemical processing, power generation, and shipbuilding. Available in various sizes and pressure ratings, the integral weld neck provides a robust, leak-proof connection essential for critical applications in high-stress environments.
Specifications of Weld Neck (Flange)
| Specification | Details |
|---|---|
| Product | Pipe Fitting Welding Neck Flange |
| Size Range | 1/2" to 24" (DN15 to DN600) – Custom sizes available |
| Types |
Welding Neck Flange: A flange with a long, tapered neck designed to
be welded
directly to the pipe for strong, permanent connections. Long Weld Neck Flange: A longer version with an extended neck for higher-pressure and high-temperature applications. |
| Wall Thickness | Sch 10, Sch 20, Sch 40, Sch 80, Sch 160 (As per ASME/ANSI standards) |
| Standards | ASME B16.5, ASME B16.47, ISO 7005, EN 1092-1, JIS B2220 |
| Material Grades |
Carbon Steel: ASTM A105, A350 LF2 Stainless Steel: 304, 304L, 316, 316L Alloy Steel: ASTM A182 F11, F22 Nickel Alloys: Inconel, Monel, Hastelloy Other Materials: Brass, Copper, Aluminum |
| Manufacturing Process | Forged, Cast, Machined |
| Ends | Weld Neck (Tapered for welding directly to the pipe) |
| Surface Finish | Black, Pickled, Sand Blasted, Polished, Anti-Rust Coated |
| Testing & Certification | Hydrostatic Test, Non-Destructive Testing (NDT), PMI Test, Third-Party Inspection |
| Applications | Oil & Gas, Power Generation, Petrochemical, Chemical Processing, Water Treatment, Shipbuilding, Marine |
| Special Features | High Strength, Leak-Proof Connection, Excellent Pressure Resistance, Easy to Weld, Long-lasting Performance |
| Welding Neck Flange Design Features |
Strong & Reliable Connection: The tapered neck design ensures a
smooth
transition and reduces stress concentrations, providing superior strength. Ideal for High-Pressure Systems: Welding neck flanges are ideal for high-pressure, high-temperature, and critical applications. Corrosion Resistance: Available in corrosion-resistant materials such as stainless steel, ensuring longevity in harsh environments. Customizable Sizes: Available in a wide range of sizes and pressure ratings to meet specific application needs. |
Key Features
01 Superior Strength & Reliability
Welding neck flanges are designed with a long, tapered neck, ensuring high strength and a stress-free connection to withstand high-pressure applications.
02 Easy to Weld
The tapered neck design of welding neck flanges makes them easy to weld directly to pipes, creating a smooth transition and minimizing stress on the joint.
03 Durability & Corrosion Resistance
Crafted from high-quality materials such as carbon steel, stainless steel, and alloys, welding neck flanges provide exceptional corrosion resistance and long-term durability in harsh environments.
04 Complies with Industry Standards
Manufactured to meet international standards like ASME B16.5, ISO 7005, and JIS B2220, ensuring consistent quality and compatibility in critical piping systems.
05 Versatile Applications
Welding neck flanges are ideal for high-pressure, high-temperature applications in industries such as oil & gas, power generation, chemical processing, and water treatment.
06 Leak-Proof & High-Pressure Resistant
Welding neck flanges provide leak-proof connections due to their smooth, strong welds, making them highly reliable in high-pressure systems.
Catalogue