PRODUCT DETAILS
Welding Neck Flange for industrial excellence

FLANGES
Welding Neck Flange
Weld neck flanges with tapered hub for high-pressure piping.
- Material: SS, CS, Alloy Steel, Duplex, Super Duplex
- Standards: ANSI B16.5, ASME B16.47, DIN, JIS, BS, EN 1092
- Size Range: 1/2" NB to 48" NB & above
- Finish: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
- Application: Industrial, Oil & Gas, Construction, Power, Marine & Manufacturing
PRODUCT DETAILS
Everything you need to know
Overview
Welding neck flanges from WEONE OVERSEAS feature a long tapered hub that is butt-welded to the pipe. The design transfers stress to the pipe, reduces turbulence and is preferred for high-pressure, high-temperature and cyclic service.
Specifications
- Type: Welding Neck / Weld Neck (WNRF / WNRTJ)
- Pressure Class: 150# to 2500# (ANSI) / PN6 to PN100 (DIN)
- Facing: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
- Sizes: 1/2" NB to 48" NB & above
Standards
Available as per ANSI B16.5, ASME B16.47, DIN, JIS, BS, EN 1092. Custom manufacturing and third-party inspection can be arranged on request to match project specifications.
Applications
- High-pressure oil & gas pipelines
- Refinery & petrochemical process lines
- Power plant steam & high-temperature service
- Critical process piping requiring radiographic weld inspection














