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Carbon Steel Welding Neck Flange RF Face Bevel End ANSI B16 25
Suitable for steam, water, and gas pipeline assemblies
Product Description
The Welding Neck Flange (WN Flanges) is a critical component in piping systems requiring secure and durable connections. Designed for welding applications with a butt weld end connection, it ensures seamless and robust joints between pipes and equipment. Engineered to handle pressures from 150# to 2500#, it's suitable for industrial applications where safety and reliability are paramount.
Manufactured from high-quality carbon steel, these flanges offer excellent strength and corrosion resistance, capable of withstanding harsh operating conditions including high temperatures and mechanical stresses. Common materials include P265GH, complying with EN 1092-1 standards, providing exceptional durability for pressure vessel and piping applications.
Classified as Type 11 flange under EN 1092-1 standards, these flanges ensure compatibility and interchangeability in global piping systems. The raised face design enhances sealing capability with appropriate gaskets, reducing leak risks and improving piping assembly integrity.
For enhanced corrosion resistance in aggressive environments, stainless steel variants like 1.4404 (316L) are available, ideal for chemical, petrochemical, and marine industries. The butt weld end connection creates smooth transitions that minimize turbulence and stress concentrations, contributing to overall connection strength.
Features
Product Name: Welding Neck Flange
Neck Type: Weld Neck Flanges
Face Types Available: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Flange Type: WN Flanges
Steel Number: 1.7375
Compatible with P245GH flange standards
Includes 1.4571 lap joint flange as per EN 1092-1
Manufactured according to EN 1092-1 PN100 Weld Neck Flange specifications
Material: 42CrMo4 / High Strength steel
Technical Parameters
Parameter
Specification
Packing
Wooden Case
End
Bevel End ANSI B16.25
Carbon
Carbon Steel
Size Range
1/2 Inch To 48 Inches
Face Type
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Neck Type
Weld Neck Flanges
Type
WN Flanges
End Type
Long Weld Neck
Pressure
150#-2500#
Temperature Range
-50°C To 550°C
Applications
Welding Neck Flanges (1/2 inch to 48 inches) are vital components in industrial applications requiring reliable and robust pipe connections. Manufactured through precise forging and machining processes, these flanges ensure exceptional strength and durability for high-pressure environments (150# to 2500#).
Primary applications include oil and gas industry pipelines operating under extreme pressure and corrosive environments, where Duplex 2507 Blind Flange (1.4501) EN 1092-1 and Super Duplex PN40 flanges provide superior corrosion resistance and mechanical strength.
In power plants and petrochemical facilities, EN 1092-1 PN100 Weld Neck Flanges made from 42CrMo4/High Strength steel support high-pressure steam and fluid transport systems. EN 1092-1 Type 11 Weld Neck Flange — P265GH (1.0425) PN16 Raised Face variants are widely used in low to medium pressure applications for water, gas, and chemical processing industries.
Additional scenarios include high-pressure pipeline manufacturing, shipbuilding, and offshore platforms where these flanges contribute to structural stability of piping systems.
Customization
Our Welding Neck Flange product offers extensive customization services to meet specific requirements. Manufactured from high-quality Carbon Steel (Steel Number: 1.7375) with Long Weld Neck end type, these flanges ensure superior strength and durability in demanding applications.
Available in sizes from 1/2 Inch to 48 Inches, we provide multiple face type options including Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ) for ideal sealing surfaces. Customization extends to flanges compliant with various standards and materials, including 1.4571 (316Ti) Lap Joint Flange EN 1092-1 and X6CrNiMoTi17-12-2 1.4571 A182 F316Ti Weld Neck Flange EN 1092-1 for excellent corrosion resistance.
Specialized requirements include 10CrMo9-10 Weld Neck Flange EN 1092-1 and Alloy Steel PN100 Flange for high-temperature and high-pressure environments.
Support and Services
Our technical support team provides expert assistance with installation guidance, product specifications, and troubleshooting to ensure optimal performance of Welding Neck Flanges.
Comprehensive services include custom flange fabrication, material selection advice, and compliance verification with industry standards. Our support staff delivers timely solutions for welding procedures and flange maintenance.
We recommend following proper handling and installation protocols with routine inspection schedules to maximize lifespan and efficiency. Technical documentation and service resources are accessible through our online support portal and product manuals.
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...
