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The Welding Neck Flange is a critical component widely used in piping systems to provide secure, leak-proof connections between pipes, valves, and other equipment. Designed for butt-welding to the pipe, it ensures smooth flow paths while minimizing turbulence and erosion at flange connections. This flange type is particularly suitable for high-pressure and high-temperature applications, making it a preferred choice in oil and gas, petrochemical, power generation, and chemical processing industries.
Key Features
Product Name: Welding Neck Flange
Type: Welding Neck Flanges
Flange Standard: ASME B16.9
Material Number: P245GH
Corrosion Resistance: High (depending on material grade)
Flange Style: Plochá Přivařovací Příruba
Compatible with EN 1092-1 Weld Neck Flange 1.4541 (321) Stainless PN16 | Raised Face
Suitable for F22 flange EN 1092-1 applications
Available in 316Ti EN 1092-1 flange variant
Technical Specifications
Product
Welding Neck Flange
Flanges
Forged Steel Flanges
Application
Piping Systems in Oil & Gas, Petrochemical, Power Plants
Size
3 inch
Flange Type
Plochá Přivařovací Příruba
Flange Thickness
Varies according to size and pressure class
Manufacturing Process
Forged and Machined
Material Number
P245GH
Flange Standard
ASME B16.9
Connection Type
Butt Weld
Standard
ASME B16.5, ASME B16.47, API 6A
Additional Materials
1.4404 EN 1092‑1:2018 Weld Neck Flange (316L), X10CrMoVNb9-1 (F91) Weld Neck Flange EN 1092-1 PN160, 10CrMo9-10 EN 1092-1
Applications
Welding Neck Flanges are essential components used across various industrial applications due to their robust design and reliable performance. Manufactured through meticulous forged and machined processes, these flanges conform to stringent standards including ASME B16.5, ASME B16.47, API 6A, and ASME B16.9, ensuring high quality and durability.
Primary applications include oil and gas industry installations where secure, leak-proof connections are critical. They are compatible with Duplex 2205 Weld Neck Flange systems, offering excellent corrosion resistance and mechanical strength in aggressive environments such as offshore platforms and refineries. Super duplex variants are particularly favored in highly corrosive settings including chemical processing plants and seawater applications.
Additional applications span power generation, petrochemical industries, water treatment facilities, shipbuilding, and heavy machinery construction. Their precise manufacturing ensures perfect fit and long service life, critical for maintaining system integrity and safety in high-pressure pipelines and critical fluid transport systems.
Customization Options
Our Welding Neck Flange products are expertly manufactured through forged and machined processes to ensure superior strength and precision. We specialize in producing high-quality F22 flange EN 1092-1 and 13CrMo4-5 weld neck flange EN 1092-1 types, tailored to meet specific requirements. The flange design features plochá přivařovací příruba construction, providing excellent welding performance and durability.
Made from material number P245GH, these flanges offer high corrosion resistance depending on material grade, making them ideal for demanding industrial applications. Our customization services deliver reliable and compliant welding neck flanges that conform to EN 1092-1 standards.
Support & Services
Our Welding Neck Flange product is designed to provide reliable and durable connections in piping systems. We offer comprehensive technical support including installation guidance, material compatibility advice, and troubleshooting to ensure optimal performance.
Our experienced support team assists with product specifications, welding procedures, and maintenance recommendations to maximize lifespan and safety of flange assemblies. Value-added services include custom flange fabrication, dimensional inspections, and pressure testing to meet unique project requirements.
For ongoing service, we recommend regular inspection and maintenance to prevent leaks and ensure flange integrity under operating conditions. Trust our expertise to support your welding neck flange needs from project inception through completion and beyond.
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
