Weld-Neck Flange – A high-strength flange with a tapered hub, butt-welded to the pipe for superior stress distribution. Ideal for high-pressure, high-temperature, and critical industrial pipelines.
Tapered hub for stress reduction
Butt-weld connection for high integrity
Best for high-pressure & high-temperature pipelines
Smooth flow transition reduces erosion & turbulence
Available in Raised Face (RF), Ring-Type Joint (RTJ)
Long Weld Neck (LWN) version also available
Standards: ASME/ANSI B16.5, B16.47, MSS
A Weld-Neck Flange (WN Flange) is a high-strength flange designed with a long tapered hub that is welded to the pipe using a butt-weld connection. This design provides excellent stress distribution, making it ideal for high-pressure, high-temperature, and critical piping applications.
Because of its strong weld joint and smooth flow transition, weld-neck flanges are used where reliability and durability are essential.
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