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LWN L 697MM Welding Neck Flange WN Flange Incorporating Bevel End ANSI B16.25
Product Overview
The Welding Neck Flange is a critical component in piping systems, designed to provide secure, leak-proof connections between pipes and equipment. Known for exceptional durability and strength, this flange type features a tapered hub that gradually transitions to the pipe wall thickness, reducing stress concentration and enhancing structural integrity.
Our EN 1092-1 weld neck flanges are manufactured from premium materials including P265GH, 16Mo3, 13CrMo4-5, 316L, and duplex 2205, ensuring excellent mechanical properties and outstanding resistance to corrosion and high temperatures.
Key Features
Product Name: Welding Neck Flange
End Connection: Butt Weld
Length (LWN): 697MM
Technics: Forged
End Type: Long Weld Neck
Type Flange: WN Flange
Standard: EN 1092-1 PN100 Weld Neck Flange
Material Options: 42CrMo4 / High Strength, 10CrMo9-10 Blind Flange EN 1092-1 PN100
Alloy Steel Blank available
Duplex 2205 Weld Neck Flange compliant with EN 1092-1
Additional Material: X2CrNiMoN22-5-3 PN40
Technical Specifications
Parameter
Specification
Product Name
Welding Neck Flange
Technics
Forged
LWN
L=697MM
Pressure Rating
Class 150 to Class 2500
End
Bevel End ANSI B16.25
Type Flange
WN Flange
Packing
Wooden Case
Corrosion Resistance
High (depending on material grade)
Flange Thickness
Varies by size and pressure class
Flange Face
RF, FF
Our product range includes F22 flange EN 1092-1, 1.4404 EN 1092‑1:2018 Weld Neck Flange (316L), and P355GH Slip-On Flange EN 1092-1 Type 21 PN40 Raised Face.
Applications
The Welding Neck Flange is essential in piping systems requiring high strength and durability. Its robust construction and reliable sealing make it ideal for:
Oil and gas pipelines
Petrochemical processing
Power generation systems
Chemical processing plants
Offshore platforms and marine applications
High-pressure steam lines
Seawater desalination plants
Customization Options
We offer extensive customization services to meet specific project requirements:
End Connection: Butt Weld
Flange Faces: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Materials: 1.4462 duplex flange EN 1092-1, P355GH, 13CrMo4-5 (1.7335)
Pressure Ratings: Class 150 to Class 2500
Secure packaging in sturdy wooden cases
Support and Services
Our comprehensive support includes:
Detailed installation guides and maintenance instructions
Technical support from experienced engineers
Customization options for specific requirements
After-sales services including inspection and certification
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...